#include "BufferView.h"
#include "BufferView_pimpl.h"
#include "lyxtext.h"
-#include "lyxscreen.h"
+#include "frontends/screen.h"
BufferView::BufferView(LyXView * o, int xpos, int ypos,
#include "lyxtext.h"
#include "frontends/LyXView.h"
#include "bufferlist.h"
-#include "lyxscreen.h"
+#include "frontends/screen.h"
#include "LaTeX.h"
#include "BufferView_pimpl.h"
#include "language.h"
#endif
#include "BufferView_pimpl.h"
-#include "WorkArea.h"
-#include "lyxscreen.h"
+#include "frontends/WorkArea.h"
+#include "frontends/screen.h"
#include "lyxtext.h"
#include "lyxrow.h"
#include "paragraph.h"
#include "BufferView.h"
#include "commandtags.h"
#include "frontends/Timeout.h"
-#include "WorkArea.h"
+// FIXME remove me
+#include "frontends/WorkArea.h"
#include "box.h"
#include "insets/insetspecialchar.h"
#include "support/types.h"
Thesaurus.h \
ToolbarDefaults.C \
ToolbarDefaults.h \
- WorkArea.C \
- WorkArea.h \
box.h \
box.C \
broken_headers.h \
lyxlex.h \
lyxlex_pimpl.C \
lyxlex_pimpl.h \
- lyxlookup.C \
- lyxlookup.h \
lyxrc.C \
lyxrc.h \
lyxrow.C \
lyxrow.h \
- lyxscreen.h \
lyxserver.C \
lyxserver.h \
lyxtext.h \
paragraph.h \
paragraph_pimpl.C \
paragraph_pimpl.h \
- screen.C \
sp_base.h \
sp_spell.C \
sp_ispell.h \
+++ /dev/null
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
-
-#include <config.h>
-
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
-#include "WorkArea.h"
-#include "debug.h"
-#include "frontends/LyXView.h"
-#include "lyxrc.h" // lyxrc.show_banner
-#include "version.h" // lyx_version
-
-#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
-#include "lyxlookup.h"
-#endif
-
-#include "support/filetools.h" // LibFileSearch
-#include "support/lstrings.h"
-#include "support/LAssert.h"
-
-#include <cmath>
-#include <cctype>
-
-// xforms doesn't define this (but it should be in <forms.h>).
-extern "C"
-FL_APPEVENT_CB fl_set_preemptive_callback(Window, FL_APPEVENT_CB, void *);
-
-using std::endl;
-using std::abs;
-using std::hex;
-
-namespace {
-
-inline
-void waitForX()
-{
- XSync(fl_get_display(), 0);
-}
-
-} // anon namespace
-
-
-extern "C" {
- // Just a bunch of C wrappers around static members of WorkArea
- static
- void C_WorkArea_scroll_cb(FL_OBJECT * ob, long buf)
- {
- WorkArea::scroll_cb(ob, buf);
- }
-
-
- static
- int C_WorkArea_work_area_handler(FL_OBJECT * ob, int event,
- FL_Coord, FL_Coord,
- int key, void * xev)
- {
- return WorkArea::work_area_handler(ob, event,
- 0, 0, key, xev);
- }
-
- static
- int C_WorkAreaEventCB(FL_FORM * form, void * xev) {
- WorkArea * wa = static_cast<WorkArea*>(form->u_vdata);
- return wa->event_cb(static_cast<XEvent*>(xev));
- }
-}
-
-
-WorkArea::WorkArea(int xpos, int ypos, int width, int height)
- : splash_(0), splash_text_(0), workareapixmap(0), painter_(*this)
-{
- fl_freeze_all_forms();
-
- if (lyxerr.debugging(Debug::WORKAREA))
- lyxerr << "Creating work area: +"
- << xpos << '+' << ypos << ' '
- << width << 'x' << height << endl;
- //
- FL_OBJECT * obj;
- int const bw = int(abs(fl_get_border_width()));
-
- // a box
- if (lyxerr.debugging(Debug::WORKAREA))
- lyxerr << "\tbackground box: +"
- << xpos << '+' << ypos << ' '
- << width - 15 << 'x' << height << endl;
- backgroundbox = obj = fl_add_box(FL_BORDER_BOX,
- xpos, ypos,
- width - 15,
- height,"");
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
-
- // Add a splash screen to the centre of the work area
- string const splash_file = (lyxrc.show_banner) ?
- LibFileSearch("images", "banner", "xpm") : string();
-
- if (!splash_file.empty()) {
- int const splash_w = 425;
- int const splash_h = 290;
- int const splash_x = xpos + (width - 15 - splash_w) / 2;
- int const splash_y = ypos + (height - splash_h) / 2;
- splash_ = obj =
- fl_add_pixmapbutton(FL_NORMAL_BUTTON,
- splash_x, splash_y,
- splash_w, splash_h, "");
- fl_set_pixmapbutton_file(obj, splash_file.c_str());
- fl_set_pixmapbutton_focus_outline(obj, 3);
- fl_set_object_boxtype(obj, FL_NO_BOX);
-
- int const text_x = splash_x + 260;
- int const text_y = splash_y + 255;
- splash_text_ = obj =
- fl_add_text(FL_NORMAL_TEXT, text_x, text_y, 160, 16,
- lyx_version);
- fl_set_object_lsize(obj, FL_NORMAL_SIZE);
- fl_mapcolor(FL_FREE_COL2, 0x2b, 0x47, 0x82);
- fl_mapcolor(FL_FREE_COL3, 0xe1, 0xd2, 0x9b);
- fl_set_object_color(obj, FL_FREE_COL2, FL_FREE_COL2);
- fl_set_object_lcol(obj, FL_FREE_COL3);
- fl_set_object_lalign(obj, FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
- fl_set_object_lstyle(obj, FL_BOLD_STYLE);
- }
-
- //
- // THE SCROLLBAR
- //
-
- scrollbar = obj = fl_add_scrollbar(FL_VERT_SCROLLBAR,
- xpos + width - 15,
- ypos, 17, height, "");
- fl_set_object_boxtype(obj, FL_UP_BOX);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthEastGravity, SouthEastGravity);
- obj->u_vdata = this;
- fl_set_object_callback(obj, C_WorkArea_scroll_cb, 0);
- setScrollbarBounds(0.0, 0.0);
-
- ///
- /// The free object
-
- // Create the workarea pixmap
- createPixmap(width - 15 - 2 * bw, height - 2 * bw);
-
- // We add this object as late as possible to avoit problems
- // with drawing.
- if (lyxerr.debugging(Debug::WORKAREA))
- lyxerr << "\tfree object: +"
- << xpos + bw << '+' << ypos + bw << ' '
- << width - 15 - 2 * bw << 'x'
- << height - 2 * bw << endl;
-
- work_area = obj = fl_add_free(FL_ALL_FREE,
- xpos + bw, ypos + bw,
- width - 15 - 2 * bw, // scrollbarwidth
- height - 2 * bw, "",
- C_WorkArea_work_area_handler);
- obj->wantkey = FL_KEY_ALL;
- obj->u_vdata = this; /* This is how we pass the WorkArea
- to the work_area_handler. */
- fl_set_object_boxtype(obj,FL_DOWN_BOX);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
-
- /// X selection hook - xforms gets it wrong
- fl_current_form->u_vdata = this;
- fl_register_raw_callback(fl_current_form, FL_ALL_EVENT, C_WorkAreaEventCB);
-
- fl_unfreeze_all_forms();
-}
-
-
-WorkArea::~WorkArea()
-{
- if (workareapixmap)
- XFreePixmap(fl_get_display(), workareapixmap);
-}
-
-
-bool WorkArea::belowMouse() const
-{
- FL_Coord x, y;
- unsigned int button;
- fl_get_mouse(&x, &y, &button);
- FL_Coord ulx = work_area->form->x + work_area->x;
- FL_Coord uly = work_area->form->y + work_area->y;
- FL_Coord w = work_area->w;
- FL_Coord h = work_area->h;
- if (x > ulx && y > uly && x < ulx + h && y < uly + w)
- return true;
- return false;
-}
-
-
-void WorkArea::resize(int xpos, int ypos, int width, int height)
-{
- fl_freeze_all_forms();
-
- int const bw = int(abs(fl_get_border_width()));
-
- // a box
- fl_set_object_geometry(backgroundbox, xpos, ypos, width - 15, height);
-
- //
- // THE SCROLLBAR
- //
- fl_set_object_geometry(scrollbar, xpos + width - 15,
- ypos, 17, height);
-
- // Create the workarea pixmap
- createPixmap(width - 15 - 2 * bw, height - 2 * bw);
-
- // the free object
- fl_set_object_geometry(work_area, xpos + bw, ypos + bw,
- width - 15 - 2 * bw,
- height - 2 * bw);
-
- fl_unfreeze_all_forms();
-}
-
-
-namespace {
-void destroy_object(FL_OBJECT * obj)
-{
- if (!obj)
- return;
-
- if (obj->visible) {
- fl_hide_object(obj);
- }
- fl_delete_object(obj);
- fl_free_object(obj);
-}
-} // namespace anon
-
-
-void WorkArea::createPixmap(int width, int height)
-{
- // Three calls to createPixmap are needed to draw the initial view
- // of LyX. Any more and the splash is destroyed.
- static int counter = 0;
- if (++counter == 4) {
- destroy_object(splash_);
- splash_ = 0;
- destroy_object(splash_text_);
- splash_text_ = 0;
- }
-
- static int cur_width = -1;
- static int cur_height = -1;
-
- if (cur_width == width && cur_height == height && workareapixmap)
- return;
-
- cur_width = width;
- cur_height = height;
-
- if (workareapixmap)
- XFreePixmap(fl_get_display(), workareapixmap);
-
- if (lyxerr.debugging(Debug::WORKAREA))
- lyxerr << "Creating pixmap ("
- << width << 'x' << height << ")" << endl;
-
- workareapixmap = XCreatePixmap(fl_get_display(),
- RootWindow(fl_get_display(), 0),
- width,
- height,
- fl_get_visual_depth());
- if (lyxerr.debugging(Debug::WORKAREA))
- lyxerr << "\tpixmap=" << workareapixmap << endl;
-}
-
-
-void WorkArea::greyOut() const
-{
- if (!splash_) {
- fl_winset(FL_ObjWin(work_area));
- fl_rectangle(1, work_area->x, work_area->y,
- work_area->w, work_area->h, FL_GRAY63);
- }
-}
-
-
-void WorkArea::setFocus() const
-{
- fl_set_focus_object(work_area->form, work_area);
-}
-
-
-void WorkArea::setScrollbar(double pos, double length_fraction) const
-{
- fl_set_scrollbar_value(scrollbar, pos);
- fl_set_scrollbar_size(scrollbar, scrollbar->h * length_fraction);
-}
-
-
-void WorkArea::setScrollbarBounds(double l1, double l2) const
-{
- fl_set_scrollbar_bounds(scrollbar, l1, l2);
-}
-
-
-void WorkArea::setScrollbarIncrements(double inc) const
-{
- fl_set_scrollbar_increment(scrollbar, work_area->h - inc, inc);
-}
-
-
-// Callback for scrollbar slider
-void WorkArea::scroll_cb(FL_OBJECT * ob, long)
-{
- WorkArea * area = static_cast<WorkArea*>(ob->u_vdata);
- // If we really want the accellerating scroll we can do that
- // from here. IMHO that is a waste of effort since we already
- // have other ways to move fast around in the document. (Lgb)
- area->scrollCB(fl_get_scrollbar_value(ob));
- waitForX();
-}
-
-
-int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
- FL_Coord, FL_Coord ,
- int key, void * xev)
-{
- static int x_old = -1;
- static int y_old = -1;
- static long scrollbar_value_old = -1;
-
- XEvent * ev = static_cast<XEvent*>(xev);
- WorkArea * area = static_cast<WorkArea*>(ob->u_vdata);
-
- if (!area) return 1;
-
- switch (event) {
- case FL_DRAW:
- if (!area->work_area ||
- !area->work_area->form->visible)
- return 1;
- lyxerr[Debug::WORKAREA] << "Workarea event: DRAW" << endl;
- area->createPixmap(area->workWidth(), area->height());
- area->workAreaExpose();
- break;
- case FL_PUSH:
- if (!ev || ev->xbutton.button == 0) break;
- // Should really have used xbutton.state
- lyxerr[Debug::WORKAREA] << "Workarea event: PUSH" << endl;
- area->workAreaButtonPress(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
- //area->workAreaKeyPress(XK_Pointer_Button1, ev->xbutton.state);
- break;
- case FL_RELEASE:
- if (!ev || ev->xbutton.button == 0) break;
- // Should really have used xbutton.state
- lyxerr[Debug::WORKAREA] << "Workarea event: RELEASE" << endl;
- area->workAreaButtonRelease(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
- break;
-#if FL_REVISION < 89
- case FL_MOUSE:
-#else
- case FL_DRAG:
-#endif
- if (!ev || ! area->scrollbar) break;
- if (ev->xmotion.x != x_old ||
- ev->xmotion.y != y_old ||
- fl_get_scrollbar_value(area->scrollbar) != scrollbar_value_old
- ) {
- lyxerr[Debug::WORKAREA] << "Workarea event: MOUSE" << endl;
- area->workAreaMotionNotify(ev->xmotion.x - ob->x,
- ev->xmotion.y - ob->y,
- ev->xbutton.state);
- }
- break;
-#if FL_REVISION < 89
- case FL_KEYBOARD:
-#else
- case FL_KEYPRESS:
-#endif
- {
- lyxerr[Debug::WORKAREA] << "Workarea event: KEYBOARD" << endl;
-
- KeySym keysym = 0;
- char dummy[1];
- XKeyEvent * xke = reinterpret_cast<XKeyEvent *>(ev);
-#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
- // XForms < 0.89.5 does not have compose support
- // so we are using our own compose support
- LyXLookupString(ev, dummy, 1, &keysym);
-#else
- XLookupString(xke, dummy, 1, &keysym, 0);
-// int num_keys = XLookupString(xke, dummy, 10, &keysym, &xcs);
-// lyxerr << "We have " << num_keys << " keys in the returned buffer" << endl;
-// lyxerr << "Our dummy string is " << dummy << endl;
-#endif
- if (lyxerr.debugging(Debug::KEY)) {
- char const * tmp = XKeysymToString(key);
- char const * tmp2 = XKeysymToString(keysym);
- string const stm = (tmp ? tmp : "");
- string const stm2 = (tmp2 ? tmp2 : "");
-
- lyxerr[Debug::KEY] << "WorkArea: Key is `" << stm << "' ["
- << key << "]" << endl;
- lyxerr[Debug::KEY] << "WorkArea: Keysym is `" << stm2 << "' ["
- << keysym << "]" << endl;
- }
-
-#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
- if (keysym == NoSymbol) {
- lyxerr[Debug::KEY]
- << "Empty kdb action (probably composing)"
- << endl;
- break;
- }
- KeySym ret_key = keysym;
-#else
- // Note that we need this handling because of a bug
- // in XForms 0.89, if this bug is resolved in the way I hope
- // we can just use the keysym directly with out looking
- // at key at all. (Lgb)
- KeySym ret_key = 0;
- if (!key) {
- // We migth have to add more keysyms here also,
- // we will do that as the issues arise. (Lgb)
- if (keysym == XK_space) {
- ret_key = keysym;
- lyxerr[Debug::KEY] << "Using keysym [A]"
- << endl;
- } else
- break;
- } else {
- // It seems that this was a bit optimistic...
- // With this hacking things seems to be better (Lgb)
- //if (!iscntrl(key)) {
- // ret_key = key;
- // lyxerr[Debug::KEY]
- // << "Using key [B]\n"
- // << "Uchar["
- // << static_cast<unsigned char>(key)
- // << endl;
- //} else {
- ret_key = (keysym ? keysym : key);
- lyxerr[Debug::KEY] << "Using keysym [B]"
- << endl;
- //}
- }
-
-#endif
- unsigned int const ret_state = xke->state;
-
- // If you have a better way to handle "wild-output" of
- // characters after the key has been released than the one
- // below, please contact me. (Lgb)
- static Time last_time_pressed;
- static unsigned int last_key_pressed;
- static unsigned int last_state_pressed;
- lyxerr[Debug::KEY] << "Workarea Diff: "
- << xke->time - last_time_pressed
- << endl;
- if (xke->time - last_time_pressed < 25 // should perhaps be tunable
- && ret_state == last_state_pressed
- && xke->keycode == last_key_pressed) {
- lyxerr[Debug::KEY]
- << "Workarea: Purging X events." << endl;
- //lyxerr << "Workarea Events: "
- // << XEventsQueued(fl_get_display(), QueuedAlready)
- // << endl;
- if (XEventsQueued(fl_get_display(), QueuedAlready) > 0)
- XSync(fl_get_display(), 1);
- // This purge make f.ex. scrolling stop immidiatly when
- // releasing the PageDown button. The question is if
- // this purging of XEvents can cause any harm...
- // after some testing I can see no problems, but
- // I'd like other reports too.
- break;
- }
- last_time_pressed = xke->time;
- last_key_pressed = xke->keycode;
- last_state_pressed = ret_state;
-
- area->workAreaKeyPress(ret_key, ret_state);
- }
- break;
-
-#if FL_REVISION >= 89
- case FL_KEYRELEASE:
- lyxerr[Debug::WORKAREA] << "Workarea event: KEYRELEASE" << endl;
- break;
-#endif
-
- case FL_FOCUS:
- lyxerr[Debug::WORKAREA] << "Workarea event: FOCUS" << endl;
- area->workAreaFocus();
- break;
- case FL_UNFOCUS:
- lyxerr[Debug::WORKAREA] << "Workarea event: UNFOCUS" << endl;
- area->workAreaUnfocus();
- break;
- case FL_ENTER:
- lyxerr[Debug::WORKAREA] << "Workarea event: ENTER" << endl;
- area->workAreaEnter();
- break;
- case FL_LEAVE:
- lyxerr[Debug::WORKAREA] << "Workarea event: LEAVE" << endl;
- area->workAreaLeave();
- break;
- case FL_DBLCLICK:
- if (!ev) break;
- lyxerr[Debug::WORKAREA] << "Workarea event: DBLCLICK" << endl;
- area->workAreaDoubleClick(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
- break;
- case FL_TRPLCLICK:
- if (!ev) break;
- lyxerr[Debug::WORKAREA] << "Workarea event: TRPLCLICK" << endl;
- area->workAreaTripleClick(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
- break;
- case FL_OTHER:
- if (!ev) break;
- lyxerr[Debug::WORKAREA] << "Workarea event: OTHER" << endl;
- break;
- }
-
- return 1;
-}
-
-
-namespace {
-
-string clipboard_selection;
-bool clipboard_read = false;
-
-extern "C" {
-
- static
- int request_clipboard_cb(FL_OBJECT * /*ob*/, long /*type*/,
- void const * data, long size)
- {
- clipboard_selection.erase();
-
- if (size > 0)
- clipboard_selection.reserve(size);
- for (int i = 0; i < size; ++i)
- clipboard_selection +=
- static_cast<char const *>(data)[i];
- clipboard_read = true;
- return 0;
- }
-
-}
-
-} // namespace anon
-
-
-int WorkArea::event_cb(XEvent * xev)
-{
- int ret = 0;
- switch (xev->type) {
- case SelectionRequest:
- lyxerr[Debug::GUI] << "X requested selection." << endl;
- selectionRequested.emit();
- break;
- case SelectionClear:
- lyxerr[Debug::GUI] << "Lost selection." << endl;
- selectionLost.emit();
- break;
- }
- return ret;
-}
-
-
-void WorkArea::haveSelection(bool yes) const
-{
- if (!yes) {
- XSetSelectionOwner(fl_get_display(), XA_PRIMARY, None, CurrentTime);
- return;
- }
-
- XSetSelectionOwner(fl_get_display(), XA_PRIMARY, FL_ObjWin(work_area), CurrentTime);
-}
-
-
-string const WorkArea::getClipboard() const
-{
- clipboard_read = false;
-
- if (fl_request_clipboard(work_area, 0, request_clipboard_cb) == -1)
- return string();
-
- XEvent ev;
-
- while (!clipboard_read) {
- if (fl_check_forms() == FL_EVENT) {
- fl_XNextEvent(&ev);
- lyxerr << "Received unhandled X11 event" << endl;
- lyxerr << "Type: 0x" << hex << ev.xany.type <<
- " Target: 0x" << hex << ev.xany.window << endl;
- }
- }
- return clipboard_selection;
-}
-
-
-void WorkArea::putClipboard(string const & s) const
-{
- static string hold;
- hold = s;
-
- fl_stuff_clipboard(work_area, 0, hold.data(), hold.size(), 0);
-}
+++ /dev/null
-// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
- *
- * ======================================================*/
-
-#ifndef WORKAREA_H
-#define WORKAREA_H
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include <utility>
-
-#include <sigc++/signal_system.h>
-
-#include FORMS_H_LOCATION
-#include "frontends/Painter.h"
-
-///
-class WorkArea {
-public:
- ///
- WorkArea(int xpos, int ypos, int width, int height);
- ///
- ~WorkArea();
- ///
- Painter & getPainter() { return painter_; }
- ///
- int workWidth() const { return work_area->w; }
- ///
- unsigned int width() const { return work_area->w + scrollbar->w; }
- //unsigned int width() const { return backgroundbox->w + 15; }
- ///
- unsigned int height() const { return work_area->h; }
- //unsigned int height() const { return backgroundbox->h; }
- ///
- int xpos() const { return work_area->x; }
- //int xpos() const { return backgroundbox->x; }
- ///
- int ypos() const { return work_area->y; }
- //int ypos() const { return backgroundbox->y; }
- ///
- void resize(int xpos, int ypos, int width, int height);
- ///
- void redraw() const {
- fl_redraw_object(work_area);
- fl_redraw_object(scrollbar);
- }
- ///
- void setFocus() const;
- ///
- Window getWin() const { return work_area->form->window; }
- ///
- bool hasFocus() const { return work_area->focus; }
- ///
- bool active() const { return work_area->active; }
- ///
- bool belowMouse() const;
- ///
- bool visible() const { return work_area->form->visible; }
- ///
- void greyOut() const;
- ///
- void setScrollbar(double pos, double length_fraction) const;
- ///
- void setScrollbarValue(double y) const {
- fl_set_scrollbar_value(scrollbar, y);
- }
- ///
- void setScrollbarBounds(double, double) const;
- ///
- void setScrollbarIncrements(double inc) const;
- ///
- double getScrollbarValue() const {
- return fl_get_scrollbar_value(scrollbar);
- }
- ///
- std::pair<float, float> const getScrollbarBounds() const {
- std::pair<float, float> p;
- fl_get_scrollbar_bounds(scrollbar, &p.first, &p.second);
- return p;
- }
- ///
- Pixmap getPixmap() const { return workareapixmap; }
- /// xforms callback
- static int work_area_handler(FL_OBJECT *, int event,
- FL_Coord, FL_Coord,
- int /*key*/, void * xev);
- /// xforms callback
- static void scroll_cb(FL_OBJECT *, long);
- /// a selection exists
- void haveSelection(bool) const;
- ///
- string const getClipboard() const;
- ///
- void putClipboard(string const &) const;
- // Signals
- ///
- SigC::Signal0<void> workAreaExpose;
- ///
- SigC::Signal1<void, double> scrollCB;
- ///
- SigC::Signal2<void, KeySym, unsigned int> workAreaKeyPress;
- ///
- SigC::Signal3<void, int, int, unsigned int> workAreaButtonPress;
- ///
- SigC::Signal3<void, int, int, unsigned int> workAreaButtonRelease;
- ///
- SigC::Signal3<void, int, int, unsigned int> workAreaMotionNotify;
- ///
- SigC::Signal0<void> workAreaFocus;
- ///
- SigC::Signal0<void> workAreaUnfocus;
- ///
- SigC::Signal0<void> workAreaEnter;
- ///
- SigC::Signal0<void> workAreaLeave;
- ///
- SigC::Signal3<void, int, int, unsigned int> workAreaDoubleClick;
- ///
- SigC::Signal3<void, int, int, unsigned int> workAreaTripleClick;
- /// emitted when an X client has requested our selection
- SigC::Signal0<void> selectionRequested;
- /// emitted when another X client has stolen our selection
- SigC::Signal0<void> selectionLost;
-
- /// handles SelectionRequest X Event, to fill the clipboard
- int event_cb(XEvent * xev);
-private:
- ///
- void createPixmap(int, int);
-
- ///
- FL_OBJECT * backgroundbox;
- ///
- FL_OBJECT * work_area;
- ///
- FL_OBJECT * scrollbar;
- ///
- mutable FL_OBJECT * splash_;
- ///
- mutable FL_OBJECT * splash_text_;
- /// The pixmap overlay on the workarea
- Pixmap workareapixmap;
- ///
- Painter painter_;
- /// if we call redraw with true needed for locking-insets
- bool screen_cleared;
-};
-#endif
+2002-05-23 John Levon <moz@compsoc.man.ac.uk>
+
+ * WorkArea.h:
+ * WorkArea.C:
+ * Makefile.am: move here
+
+ * screen.h:
+ * screen.C: move here
+
2002-05-23 John Levon <moz@compsoc.man.ac.uk>
* Liason.C:
Toolbar.C \
Toolbar.h \
LyXView.C \
- LyXView.h
+ LyXView.h \
+ WorkArea.C \
+ WorkArea.h \
+ screen.C \
+ screen.h
--- /dev/null
+/* This file is part of
+ * ======================================================
+ *
+ * LyX, The Document Processor
+ *
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2001 The LyX Team.
+ *
+ * ====================================================== */
+
+#include <config.h>
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+#include "WorkArea.h"
+#include "debug.h"
+#include "frontends/LyXView.h"
+#include "lyxrc.h" // lyxrc.show_banner
+#include "version.h" // lyx_version
+
+#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
+#include "frontends/xforms/lyxlookup.h"
+#endif
+
+#include "support/filetools.h" // LibFileSearch
+#include "support/lstrings.h"
+#include "support/LAssert.h"
+
+#include <cmath>
+#include <cctype>
+
+// xforms doesn't define this (but it should be in <forms.h>).
+extern "C"
+FL_APPEVENT_CB fl_set_preemptive_callback(Window, FL_APPEVENT_CB, void *);
+
+using std::endl;
+using std::abs;
+using std::hex;
+
+namespace {
+
+inline
+void waitForX()
+{
+ XSync(fl_get_display(), 0);
+}
+
+} // anon namespace
+
+
+extern "C" {
+ // Just a bunch of C wrappers around static members of WorkArea
+ static
+ void C_WorkArea_scroll_cb(FL_OBJECT * ob, long buf)
+ {
+ WorkArea::scroll_cb(ob, buf);
+ }
+
+
+ static
+ int C_WorkArea_work_area_handler(FL_OBJECT * ob, int event,
+ FL_Coord, FL_Coord,
+ int key, void * xev)
+ {
+ return WorkArea::work_area_handler(ob, event,
+ 0, 0, key, xev);
+ }
+
+ static
+ int C_WorkAreaEventCB(FL_FORM * form, void * xev) {
+ WorkArea * wa = static_cast<WorkArea*>(form->u_vdata);
+ return wa->event_cb(static_cast<XEvent*>(xev));
+ }
+}
+
+
+WorkArea::WorkArea(int xpos, int ypos, int width, int height)
+ : splash_(0), splash_text_(0), workareapixmap(0), painter_(*this)
+{
+ fl_freeze_all_forms();
+
+ if (lyxerr.debugging(Debug::WORKAREA))
+ lyxerr << "Creating work area: +"
+ << xpos << '+' << ypos << ' '
+ << width << 'x' << height << endl;
+ //
+ FL_OBJECT * obj;
+ int const bw = int(abs(fl_get_border_width()));
+
+ // a box
+ if (lyxerr.debugging(Debug::WORKAREA))
+ lyxerr << "\tbackground box: +"
+ << xpos << '+' << ypos << ' '
+ << width - 15 << 'x' << height << endl;
+ backgroundbox = obj = fl_add_box(FL_BORDER_BOX,
+ xpos, ypos,
+ width - 15,
+ height,"");
+ fl_set_object_resize(obj, FL_RESIZE_ALL);
+ fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
+
+ // Add a splash screen to the centre of the work area
+ string const splash_file = (lyxrc.show_banner) ?
+ LibFileSearch("images", "banner", "xpm") : string();
+
+ if (!splash_file.empty()) {
+ int const splash_w = 425;
+ int const splash_h = 290;
+ int const splash_x = xpos + (width - 15 - splash_w) / 2;
+ int const splash_y = ypos + (height - splash_h) / 2;
+ splash_ = obj =
+ fl_add_pixmapbutton(FL_NORMAL_BUTTON,
+ splash_x, splash_y,
+ splash_w, splash_h, "");
+ fl_set_pixmapbutton_file(obj, splash_file.c_str());
+ fl_set_pixmapbutton_focus_outline(obj, 3);
+ fl_set_object_boxtype(obj, FL_NO_BOX);
+
+ int const text_x = splash_x + 260;
+ int const text_y = splash_y + 255;
+ splash_text_ = obj =
+ fl_add_text(FL_NORMAL_TEXT, text_x, text_y, 160, 16,
+ lyx_version);
+ fl_set_object_lsize(obj, FL_NORMAL_SIZE);
+ fl_mapcolor(FL_FREE_COL2, 0x2b, 0x47, 0x82);
+ fl_mapcolor(FL_FREE_COL3, 0xe1, 0xd2, 0x9b);
+ fl_set_object_color(obj, FL_FREE_COL2, FL_FREE_COL2);
+ fl_set_object_lcol(obj, FL_FREE_COL3);
+ fl_set_object_lalign(obj, FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
+ fl_set_object_lstyle(obj, FL_BOLD_STYLE);
+ }
+
+ //
+ // THE SCROLLBAR
+ //
+
+ scrollbar = obj = fl_add_scrollbar(FL_VERT_SCROLLBAR,
+ xpos + width - 15,
+ ypos, 17, height, "");
+ fl_set_object_boxtype(obj, FL_UP_BOX);
+ fl_set_object_resize(obj, FL_RESIZE_ALL);
+ fl_set_object_gravity(obj, NorthEastGravity, SouthEastGravity);
+ obj->u_vdata = this;
+ fl_set_object_callback(obj, C_WorkArea_scroll_cb, 0);
+ setScrollbarBounds(0.0, 0.0);
+
+ ///
+ /// The free object
+
+ // Create the workarea pixmap
+ createPixmap(width - 15 - 2 * bw, height - 2 * bw);
+
+ // We add this object as late as possible to avoit problems
+ // with drawing.
+ if (lyxerr.debugging(Debug::WORKAREA))
+ lyxerr << "\tfree object: +"
+ << xpos + bw << '+' << ypos + bw << ' '
+ << width - 15 - 2 * bw << 'x'
+ << height - 2 * bw << endl;
+
+ work_area = obj = fl_add_free(FL_ALL_FREE,
+ xpos + bw, ypos + bw,
+ width - 15 - 2 * bw, // scrollbarwidth
+ height - 2 * bw, "",
+ C_WorkArea_work_area_handler);
+ obj->wantkey = FL_KEY_ALL;
+ obj->u_vdata = this; /* This is how we pass the WorkArea
+ to the work_area_handler. */
+ fl_set_object_boxtype(obj,FL_DOWN_BOX);
+ fl_set_object_resize(obj, FL_RESIZE_ALL);
+ fl_set_object_gravity(obj, NorthWestGravity, SouthEastGravity);
+
+ /// X selection hook - xforms gets it wrong
+ fl_current_form->u_vdata = this;
+ fl_register_raw_callback(fl_current_form, FL_ALL_EVENT, C_WorkAreaEventCB);
+
+ fl_unfreeze_all_forms();
+}
+
+
+WorkArea::~WorkArea()
+{
+ if (workareapixmap)
+ XFreePixmap(fl_get_display(), workareapixmap);
+}
+
+
+bool WorkArea::belowMouse() const
+{
+ FL_Coord x, y;
+ unsigned int button;
+ fl_get_mouse(&x, &y, &button);
+ FL_Coord ulx = work_area->form->x + work_area->x;
+ FL_Coord uly = work_area->form->y + work_area->y;
+ FL_Coord w = work_area->w;
+ FL_Coord h = work_area->h;
+ if (x > ulx && y > uly && x < ulx + h && y < uly + w)
+ return true;
+ return false;
+}
+
+
+void WorkArea::resize(int xpos, int ypos, int width, int height)
+{
+ fl_freeze_all_forms();
+
+ int const bw = int(abs(fl_get_border_width()));
+
+ // a box
+ fl_set_object_geometry(backgroundbox, xpos, ypos, width - 15, height);
+
+ //
+ // THE SCROLLBAR
+ //
+ fl_set_object_geometry(scrollbar, xpos + width - 15,
+ ypos, 17, height);
+
+ // Create the workarea pixmap
+ createPixmap(width - 15 - 2 * bw, height - 2 * bw);
+
+ // the free object
+ fl_set_object_geometry(work_area, xpos + bw, ypos + bw,
+ width - 15 - 2 * bw,
+ height - 2 * bw);
+
+ fl_unfreeze_all_forms();
+}
+
+
+namespace {
+void destroy_object(FL_OBJECT * obj)
+{
+ if (!obj)
+ return;
+
+ if (obj->visible) {
+ fl_hide_object(obj);
+ }
+ fl_delete_object(obj);
+ fl_free_object(obj);
+}
+} // namespace anon
+
+
+void WorkArea::createPixmap(int width, int height)
+{
+ // Three calls to createPixmap are needed to draw the initial view
+ // of LyX. Any more and the splash is destroyed.
+ static int counter = 0;
+ if (++counter == 4) {
+ destroy_object(splash_);
+ splash_ = 0;
+ destroy_object(splash_text_);
+ splash_text_ = 0;
+ }
+
+ static int cur_width = -1;
+ static int cur_height = -1;
+
+ if (cur_width == width && cur_height == height && workareapixmap)
+ return;
+
+ cur_width = width;
+ cur_height = height;
+
+ if (workareapixmap)
+ XFreePixmap(fl_get_display(), workareapixmap);
+
+ if (lyxerr.debugging(Debug::WORKAREA))
+ lyxerr << "Creating pixmap ("
+ << width << 'x' << height << ")" << endl;
+
+ workareapixmap = XCreatePixmap(fl_get_display(),
+ RootWindow(fl_get_display(), 0),
+ width,
+ height,
+ fl_get_visual_depth());
+ if (lyxerr.debugging(Debug::WORKAREA))
+ lyxerr << "\tpixmap=" << workareapixmap << endl;
+}
+
+
+void WorkArea::greyOut() const
+{
+ if (!splash_) {
+ fl_winset(FL_ObjWin(work_area));
+ fl_rectangle(1, work_area->x, work_area->y,
+ work_area->w, work_area->h, FL_GRAY63);
+ }
+}
+
+
+void WorkArea::setFocus() const
+{
+ fl_set_focus_object(work_area->form, work_area);
+}
+
+
+void WorkArea::setScrollbar(double pos, double length_fraction) const
+{
+ fl_set_scrollbar_value(scrollbar, pos);
+ fl_set_scrollbar_size(scrollbar, scrollbar->h * length_fraction);
+}
+
+
+void WorkArea::setScrollbarBounds(double l1, double l2) const
+{
+ fl_set_scrollbar_bounds(scrollbar, l1, l2);
+}
+
+
+void WorkArea::setScrollbarIncrements(double inc) const
+{
+ fl_set_scrollbar_increment(scrollbar, work_area->h - inc, inc);
+}
+
+
+// Callback for scrollbar slider
+void WorkArea::scroll_cb(FL_OBJECT * ob, long)
+{
+ WorkArea * area = static_cast<WorkArea*>(ob->u_vdata);
+ // If we really want the accellerating scroll we can do that
+ // from here. IMHO that is a waste of effort since we already
+ // have other ways to move fast around in the document. (Lgb)
+ area->scrollCB(fl_get_scrollbar_value(ob));
+ waitForX();
+}
+
+
+int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
+ FL_Coord, FL_Coord ,
+ int key, void * xev)
+{
+ static int x_old = -1;
+ static int y_old = -1;
+ static long scrollbar_value_old = -1;
+
+ XEvent * ev = static_cast<XEvent*>(xev);
+ WorkArea * area = static_cast<WorkArea*>(ob->u_vdata);
+
+ if (!area) return 1;
+
+ switch (event) {
+ case FL_DRAW:
+ if (!area->work_area ||
+ !area->work_area->form->visible)
+ return 1;
+ lyxerr[Debug::WORKAREA] << "Workarea event: DRAW" << endl;
+ area->createPixmap(area->workWidth(), area->height());
+ area->workAreaExpose();
+ break;
+ case FL_PUSH:
+ if (!ev || ev->xbutton.button == 0) break;
+ // Should really have used xbutton.state
+ lyxerr[Debug::WORKAREA] << "Workarea event: PUSH" << endl;
+ area->workAreaButtonPress(ev->xbutton.x - ob->x,
+ ev->xbutton.y - ob->y,
+ ev->xbutton.button);
+ //area->workAreaKeyPress(XK_Pointer_Button1, ev->xbutton.state);
+ break;
+ case FL_RELEASE:
+ if (!ev || ev->xbutton.button == 0) break;
+ // Should really have used xbutton.state
+ lyxerr[Debug::WORKAREA] << "Workarea event: RELEASE" << endl;
+ area->workAreaButtonRelease(ev->xbutton.x - ob->x,
+ ev->xbutton.y - ob->y,
+ ev->xbutton.button);
+ break;
+#if FL_REVISION < 89
+ case FL_MOUSE:
+#else
+ case FL_DRAG:
+#endif
+ if (!ev || ! area->scrollbar) break;
+ if (ev->xmotion.x != x_old ||
+ ev->xmotion.y != y_old ||
+ fl_get_scrollbar_value(area->scrollbar) != scrollbar_value_old
+ ) {
+ lyxerr[Debug::WORKAREA] << "Workarea event: MOUSE" << endl;
+ area->workAreaMotionNotify(ev->xmotion.x - ob->x,
+ ev->xmotion.y - ob->y,
+ ev->xbutton.state);
+ }
+ break;
+#if FL_REVISION < 89
+ case FL_KEYBOARD:
+#else
+ case FL_KEYPRESS:
+#endif
+ {
+ lyxerr[Debug::WORKAREA] << "Workarea event: KEYBOARD" << endl;
+
+ KeySym keysym = 0;
+ char dummy[1];
+ XKeyEvent * xke = reinterpret_cast<XKeyEvent *>(ev);
+#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
+ // XForms < 0.89.5 does not have compose support
+ // so we are using our own compose support
+ LyXLookupString(ev, dummy, 1, &keysym);
+#else
+ XLookupString(xke, dummy, 1, &keysym, 0);
+// int num_keys = XLookupString(xke, dummy, 10, &keysym, &xcs);
+// lyxerr << "We have " << num_keys << " keys in the returned buffer" << endl;
+// lyxerr << "Our dummy string is " << dummy << endl;
+#endif
+ if (lyxerr.debugging(Debug::KEY)) {
+ char const * tmp = XKeysymToString(key);
+ char const * tmp2 = XKeysymToString(keysym);
+ string const stm = (tmp ? tmp : "");
+ string const stm2 = (tmp2 ? tmp2 : "");
+
+ lyxerr[Debug::KEY] << "WorkArea: Key is `" << stm << "' ["
+ << key << "]" << endl;
+ lyxerr[Debug::KEY] << "WorkArea: Keysym is `" << stm2 << "' ["
+ << keysym << "]" << endl;
+ }
+
+#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
+ if (keysym == NoSymbol) {
+ lyxerr[Debug::KEY]
+ << "Empty kdb action (probably composing)"
+ << endl;
+ break;
+ }
+ KeySym ret_key = keysym;
+#else
+ // Note that we need this handling because of a bug
+ // in XForms 0.89, if this bug is resolved in the way I hope
+ // we can just use the keysym directly with out looking
+ // at key at all. (Lgb)
+ KeySym ret_key = 0;
+ if (!key) {
+ // We migth have to add more keysyms here also,
+ // we will do that as the issues arise. (Lgb)
+ if (keysym == XK_space) {
+ ret_key = keysym;
+ lyxerr[Debug::KEY] << "Using keysym [A]"
+ << endl;
+ } else
+ break;
+ } else {
+ // It seems that this was a bit optimistic...
+ // With this hacking things seems to be better (Lgb)
+ //if (!iscntrl(key)) {
+ // ret_key = key;
+ // lyxerr[Debug::KEY]
+ // << "Using key [B]\n"
+ // << "Uchar["
+ // << static_cast<unsigned char>(key)
+ // << endl;
+ //} else {
+ ret_key = (keysym ? keysym : key);
+ lyxerr[Debug::KEY] << "Using keysym [B]"
+ << endl;
+ //}
+ }
+
+#endif
+ unsigned int const ret_state = xke->state;
+
+ // If you have a better way to handle "wild-output" of
+ // characters after the key has been released than the one
+ // below, please contact me. (Lgb)
+ static Time last_time_pressed;
+ static unsigned int last_key_pressed;
+ static unsigned int last_state_pressed;
+ lyxerr[Debug::KEY] << "Workarea Diff: "
+ << xke->time - last_time_pressed
+ << endl;
+ if (xke->time - last_time_pressed < 25 // should perhaps be tunable
+ && ret_state == last_state_pressed
+ && xke->keycode == last_key_pressed) {
+ lyxerr[Debug::KEY]
+ << "Workarea: Purging X events." << endl;
+ //lyxerr << "Workarea Events: "
+ // << XEventsQueued(fl_get_display(), QueuedAlready)
+ // << endl;
+ if (XEventsQueued(fl_get_display(), QueuedAlready) > 0)
+ XSync(fl_get_display(), 1);
+ // This purge make f.ex. scrolling stop immidiatly when
+ // releasing the PageDown button. The question is if
+ // this purging of XEvents can cause any harm...
+ // after some testing I can see no problems, but
+ // I'd like other reports too.
+ break;
+ }
+ last_time_pressed = xke->time;
+ last_key_pressed = xke->keycode;
+ last_state_pressed = ret_state;
+
+ area->workAreaKeyPress(ret_key, ret_state);
+ }
+ break;
+
+#if FL_REVISION >= 89
+ case FL_KEYRELEASE:
+ lyxerr[Debug::WORKAREA] << "Workarea event: KEYRELEASE" << endl;
+ break;
+#endif
+
+ case FL_FOCUS:
+ lyxerr[Debug::WORKAREA] << "Workarea event: FOCUS" << endl;
+ area->workAreaFocus();
+ break;
+ case FL_UNFOCUS:
+ lyxerr[Debug::WORKAREA] << "Workarea event: UNFOCUS" << endl;
+ area->workAreaUnfocus();
+ break;
+ case FL_ENTER:
+ lyxerr[Debug::WORKAREA] << "Workarea event: ENTER" << endl;
+ area->workAreaEnter();
+ break;
+ case FL_LEAVE:
+ lyxerr[Debug::WORKAREA] << "Workarea event: LEAVE" << endl;
+ area->workAreaLeave();
+ break;
+ case FL_DBLCLICK:
+ if (!ev) break;
+ lyxerr[Debug::WORKAREA] << "Workarea event: DBLCLICK" << endl;
+ area->workAreaDoubleClick(ev->xbutton.x - ob->x,
+ ev->xbutton.y - ob->y,
+ ev->xbutton.button);
+ break;
+ case FL_TRPLCLICK:
+ if (!ev) break;
+ lyxerr[Debug::WORKAREA] << "Workarea event: TRPLCLICK" << endl;
+ area->workAreaTripleClick(ev->xbutton.x - ob->x,
+ ev->xbutton.y - ob->y,
+ ev->xbutton.button);
+ break;
+ case FL_OTHER:
+ if (!ev) break;
+ lyxerr[Debug::WORKAREA] << "Workarea event: OTHER" << endl;
+ break;
+ }
+
+ return 1;
+}
+
+
+namespace {
+
+string clipboard_selection;
+bool clipboard_read = false;
+
+extern "C" {
+
+ static
+ int request_clipboard_cb(FL_OBJECT * /*ob*/, long /*type*/,
+ void const * data, long size)
+ {
+ clipboard_selection.erase();
+
+ if (size > 0)
+ clipboard_selection.reserve(size);
+ for (int i = 0; i < size; ++i)
+ clipboard_selection +=
+ static_cast<char const *>(data)[i];
+ clipboard_read = true;
+ return 0;
+ }
+
+}
+
+} // namespace anon
+
+
+int WorkArea::event_cb(XEvent * xev)
+{
+ int ret = 0;
+ switch (xev->type) {
+ case SelectionRequest:
+ lyxerr[Debug::GUI] << "X requested selection." << endl;
+ selectionRequested.emit();
+ break;
+ case SelectionClear:
+ lyxerr[Debug::GUI] << "Lost selection." << endl;
+ selectionLost.emit();
+ break;
+ }
+ return ret;
+}
+
+
+void WorkArea::haveSelection(bool yes) const
+{
+ if (!yes) {
+ XSetSelectionOwner(fl_get_display(), XA_PRIMARY, None, CurrentTime);
+ return;
+ }
+
+ XSetSelectionOwner(fl_get_display(), XA_PRIMARY, FL_ObjWin(work_area), CurrentTime);
+}
+
+
+string const WorkArea::getClipboard() const
+{
+ clipboard_read = false;
+
+ if (fl_request_clipboard(work_area, 0, request_clipboard_cb) == -1)
+ return string();
+
+ XEvent ev;
+
+ while (!clipboard_read) {
+ if (fl_check_forms() == FL_EVENT) {
+ fl_XNextEvent(&ev);
+ lyxerr << "Received unhandled X11 event" << endl;
+ lyxerr << "Type: 0x" << hex << ev.xany.type <<
+ " Target: 0x" << hex << ev.xany.window << endl;
+ }
+ }
+ return clipboard_selection;
+}
+
+
+void WorkArea::putClipboard(string const & s) const
+{
+ static string hold;
+ hold = s;
+
+ fl_stuff_clipboard(work_area, 0, hold.data(), hold.size(), 0);
+}
--- /dev/null
+// -*- C++ -*-
+/* This file is part of
+ * ======================================================
+ *
+ * LyX, The Document Processor
+ *
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2001 The LyX Team.
+ *
+ * ======================================================*/
+
+#ifndef WORKAREA_H
+#define WORKAREA_H
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+#include <utility>
+
+#include <sigc++/signal_system.h>
+
+#include FORMS_H_LOCATION
+#include "frontends/Painter.h"
+
+///
+class WorkArea {
+public:
+ ///
+ WorkArea(int xpos, int ypos, int width, int height);
+ ///
+ ~WorkArea();
+ ///
+ Painter & getPainter() { return painter_; }
+ ///
+ int workWidth() const { return work_area->w; }
+ ///
+ unsigned int width() const { return work_area->w + scrollbar->w; }
+ //unsigned int width() const { return backgroundbox->w + 15; }
+ ///
+ unsigned int height() const { return work_area->h; }
+ //unsigned int height() const { return backgroundbox->h; }
+ ///
+ int xpos() const { return work_area->x; }
+ //int xpos() const { return backgroundbox->x; }
+ ///
+ int ypos() const { return work_area->y; }
+ //int ypos() const { return backgroundbox->y; }
+ ///
+ void resize(int xpos, int ypos, int width, int height);
+ ///
+ void redraw() const {
+ fl_redraw_object(work_area);
+ fl_redraw_object(scrollbar);
+ }
+ ///
+ void setFocus() const;
+ ///
+ Window getWin() const { return work_area->form->window; }
+ ///
+ bool hasFocus() const { return work_area->focus; }
+ ///
+ bool active() const { return work_area->active; }
+ ///
+ bool belowMouse() const;
+ ///
+ bool visible() const { return work_area->form->visible; }
+ ///
+ void greyOut() const;
+ ///
+ void setScrollbar(double pos, double length_fraction) const;
+ ///
+ void setScrollbarValue(double y) const {
+ fl_set_scrollbar_value(scrollbar, y);
+ }
+ ///
+ void setScrollbarBounds(double, double) const;
+ ///
+ void setScrollbarIncrements(double inc) const;
+ ///
+ double getScrollbarValue() const {
+ return fl_get_scrollbar_value(scrollbar);
+ }
+ ///
+ std::pair<float, float> const getScrollbarBounds() const {
+ std::pair<float, float> p;
+ fl_get_scrollbar_bounds(scrollbar, &p.first, &p.second);
+ return p;
+ }
+ ///
+ Pixmap getPixmap() const { return workareapixmap; }
+ /// xforms callback
+ static int work_area_handler(FL_OBJECT *, int event,
+ FL_Coord, FL_Coord,
+ int /*key*/, void * xev);
+ /// xforms callback
+ static void scroll_cb(FL_OBJECT *, long);
+ /// a selection exists
+ void haveSelection(bool) const;
+ ///
+ string const getClipboard() const;
+ ///
+ void putClipboard(string const &) const;
+ // Signals
+ ///
+ SigC::Signal0<void> workAreaExpose;
+ ///
+ SigC::Signal1<void, double> scrollCB;
+ ///
+ SigC::Signal2<void, KeySym, unsigned int> workAreaKeyPress;
+ ///
+ SigC::Signal3<void, int, int, unsigned int> workAreaButtonPress;
+ ///
+ SigC::Signal3<void, int, int, unsigned int> workAreaButtonRelease;
+ ///
+ SigC::Signal3<void, int, int, unsigned int> workAreaMotionNotify;
+ ///
+ SigC::Signal0<void> workAreaFocus;
+ ///
+ SigC::Signal0<void> workAreaUnfocus;
+ ///
+ SigC::Signal0<void> workAreaEnter;
+ ///
+ SigC::Signal0<void> workAreaLeave;
+ ///
+ SigC::Signal3<void, int, int, unsigned int> workAreaDoubleClick;
+ ///
+ SigC::Signal3<void, int, int, unsigned int> workAreaTripleClick;
+ /// emitted when an X client has requested our selection
+ SigC::Signal0<void> selectionRequested;
+ /// emitted when another X client has stolen our selection
+ SigC::Signal0<void> selectionLost;
+
+ /// handles SelectionRequest X Event, to fill the clipboard
+ int event_cb(XEvent * xev);
+private:
+ ///
+ void createPixmap(int, int);
+
+ ///
+ FL_OBJECT * backgroundbox;
+ ///
+ FL_OBJECT * work_area;
+ ///
+ FL_OBJECT * scrollbar;
+ ///
+ mutable FL_OBJECT * splash_;
+ ///
+ mutable FL_OBJECT * splash_text_;
+ /// The pixmap overlay on the workarea
+ Pixmap workareapixmap;
+ ///
+ Painter painter_;
+ /// if we call redraw with true needed for locking-insets
+ bool screen_cleared;
+};
+#endif
--- /dev/null
+/* This file is part of
+* ======================================================
+*
+* LyX, The Document Processor
+*
+* Copyright 1995 Matthias Ettrich
+* Copyright 1995-1998 The LyX Team
+*
+* ====================================================== */
+
+#include <config.h>
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+#include <algorithm>
+
+#include "screen.h"
+#include "lyxtext.h"
+#include "lyxrow.h"
+#include "frontends/Painter.h"
+#include "frontends/WorkArea.h"
+#include "buffer.h"
+#include "BufferView.h"
+#include "font.h"
+#include "insets/insettext.h"
+#include "ColorHandler.h"
+#include "language.h"
+
+using std::max;
+using std::min;
+
+namespace {
+
+GC createGC()
+{
+ XGCValues val;
+ val.foreground = BlackPixel(fl_get_display(),
+ DefaultScreen(fl_get_display()));
+
+ val.function = GXcopy;
+ val.graphics_exposures = false;
+ val.line_style = LineSolid;
+ val.line_width = 0;
+ return XCreateGC(fl_get_display(), RootWindow(fl_get_display(), 0),
+ GCForeground | GCFunction | GCGraphicsExposures
+ | GCLineWidth | GCLineStyle , &val);
+}
+
+} // namespace anon
+
+
+// Constructor
+LyXScreen::LyXScreen(WorkArea & o)
+ : owner(o), force_clear(true)
+{
+ // the cursor isnt yet visible
+ cursor_visible = false;
+ cursor_pixmap = 0;
+ cursor_pixmap_x = 0;
+ cursor_pixmap_y = 0;
+ cursor_pixmap_w = 0;
+ cursor_pixmap_h = 0;
+
+ // We need this GC
+ gc_copy = createGC();
+}
+
+
+LyXScreen::~LyXScreen()
+{
+ XFreeGC(fl_get_display(), gc_copy);
+}
+
+
+void LyXScreen::setCursorColor()
+{
+ if (!lyxColorHandler.get()) return;
+
+ GC gc = lyxColorHandler->getGCForeground(LColor::cursor);
+
+ XGCValues val;
+ XGetGCValues(fl_get_display(),
+ gc, GCForeground, &val);
+ XChangeGC(fl_get_display(), gc_copy, GCForeground, &val);
+}
+
+
+void LyXScreen::redraw(LyXText * text, BufferView * bv)
+{
+ drawFromTo(text, bv, 0, owner.height(), 0, 0, text == bv->text);
+ expose(0, 0, owner.workWidth(), owner.height());
+ if (cursor_visible) {
+ cursor_visible = false;
+ bv->showCursor();
+ }
+}
+
+
+void LyXScreen::expose(int x, int y, int exp_width, int exp_height)
+{
+ XCopyArea(fl_get_display(),
+ owner.getPixmap(),
+ owner.getWin(),
+ gc_copy,
+ x, y,
+ exp_width, exp_height,
+ x + owner.xpos(),
+ y + owner.ypos());
+}
+
+
+void LyXScreen::drawFromTo(LyXText * text, BufferView * bv,
+ int y1, int y2, int y_offset, int x_offset,
+ bool internal)
+{
+ int y_text = text->first_y + y1;
+
+ // get the first needed row
+ Row * row = text->getRowNearY(y_text);
+ // y_text is now the real beginning of the row
+
+ int y = y_text - text->first_y;
+ // y1 is now the real beginning of row on the screen
+
+ while (row != 0 && y < y2) {
+ LyXText::text_status st = text->status();
+ text->getVisibleRow(bv, y + y_offset,
+ x_offset, row, y + text->first_y);
+ internal = internal && (st != LyXText::CHANGED_IN_DRAW);
+ while (internal && text->status() == LyXText::CHANGED_IN_DRAW) {
+ text->fullRebreak(bv);
+ st = LyXText::NEED_MORE_REFRESH;
+ text->setCursor(bv, text->cursor.par(),
+ text->cursor.pos());
+ text->status(bv, st);
+ // we should be sure our row-pointer is still valid, so it's
+ // better to recompute it.
+ y_text = y + text->first_y;
+ row = text->getRowNearY(y_text);
+ y = y_text - text->first_y;
+ text->getVisibleRow(bv, y + y_offset,
+ x_offset, row, y + text->first_y);
+ }
+ y += row->height();
+ row = row->next();
+ }
+ force_clear = false;
+
+ // maybe we have to clear the screen at the bottom
+ if ((y < y2) && text->bv_owner) {
+ owner.getPainter().fillRectangle(0, y,
+ owner.workWidth(),
+ y2 - y,
+ LColor::bottomarea);
+ }
+}
+
+
+void LyXScreen::drawOneRow(LyXText * text, BufferView * bv, Row * row,
+ int y_text, int y_offset, int x_offset)
+{
+ int const y = y_text - text->first_y + y_offset;
+
+ if (((y + row->height()) > 0) &&
+ ((y - row->height()) <= static_cast<int>(owner.height()))) {
+ // ok there is something visible
+ text->getVisibleRow(bv, y, x_offset, row, y + text->first_y);
+ }
+ force_clear = false;
+}
+
+
+/* draws the screen, starting with textposition y. uses as much already
+ * printed pixels as possible */
+void LyXScreen::draw(LyXText * text, BufferView * bv, unsigned int y)
+{
+ if (cursor_visible) hideCursor();
+
+ int const old_first = text->first_y;
+ bool internal = (text == bv->text);
+ text->first_y = y;
+
+ // is any optimiziation possible?
+ if ((y - old_first) < owner.height()
+ && (old_first - y) < owner.height())
+ {
+ if (text->first_y < old_first) {
+ drawFromTo(text, bv, 0,
+ old_first - text->first_y, 0, 0, internal);
+ XCopyArea (fl_get_display(),
+ owner.getWin(),
+ owner.getWin(),
+ gc_copy,
+ owner.xpos(),
+ owner.ypos(),
+ owner.workWidth(),
+ owner.height() - old_first + text->first_y,
+ owner.xpos(),
+ owner.ypos() + old_first - text->first_y
+ );
+ // expose the area drawn
+ expose(0, 0,
+ owner.workWidth(),
+ old_first - text->first_y);
+ } else {
+ drawFromTo(text, bv,
+ owner.height() + old_first - text->first_y,
+ owner.height(), 0, 0, internal);
+ XCopyArea (fl_get_display(),
+ owner.getWin(),
+ owner.getWin(),
+ gc_copy,
+ owner.xpos(),
+ owner.ypos() + text->first_y - old_first,
+ owner.workWidth(),
+ owner.height() + old_first - text->first_y,
+ owner.xpos(),
+ owner.ypos());
+ // expose the area drawn
+ expose(0, owner.height() + old_first - text->first_y,
+ owner.workWidth(), text->first_y - old_first);
+ }
+ } else {
+ // make a dumb new-draw
+ drawFromTo(text, bv, 0, owner.height(), 0, 0, internal);
+ expose(0, 0, owner.workWidth(), owner.height());
+ }
+}
+
+
+void LyXScreen::showCursor(LyXText const * text, BufferView const * bv)
+{
+ if (!cursor_visible) {
+ Cursor_Shape shape = BAR_SHAPE;
+ if (text->real_current_font.language() !=
+ bv->buffer()->params.language
+ || text->real_current_font.isVisibleRightToLeft()
+ != bv->buffer()->params.language->RightToLeft())
+ shape = (text->real_current_font.isVisibleRightToLeft())
+ ? REVERSED_L_SHAPE : L_SHAPE;
+ showManualCursor(text, text->cursor.x(), text->cursor.y(),
+ lyxfont::maxAscent(text->real_current_font),
+ lyxfont::maxDescent(text->real_current_font),
+ shape);
+ }
+}
+
+
+/* returns true if first has changed, otherwise false */
+bool LyXScreen::fitManualCursor(LyXText * text, BufferView * bv,
+ int /*x*/, int y, int asc, int desc)
+{
+ int newtop = text->first_y;
+
+ if (y + desc - text->first_y >= static_cast<int>(owner.height()))
+ newtop = y - 3 * owner.height() / 4; // the scroll region must be so big!!
+ else if (y - asc < text->first_y
+ && text->first_y > 0) {
+ newtop = y - owner.height() / 4;
+ }
+
+ newtop = max(newtop, 0); // can newtop ever be < 0? (Lgb)
+
+ if (newtop != text->first_y) {
+ draw(text, bv, newtop);
+ text->first_y = newtop;
+ return true;
+ }
+ return false;
+}
+
+
+void LyXScreen::showManualCursor(LyXText const * text, int x, int y,
+ int asc, int desc, Cursor_Shape shape)
+{
+ // Update the cursor color.
+ setCursorColor();
+
+ int const y1 = max(y - text->first_y - asc, 0);
+ int const y_tmp = min(y - text->first_y + desc,
+ static_cast<int>(owner.height()));
+
+ // Secure against very strange situations
+ int const y2 = max(y_tmp, y1);
+
+ if (cursor_pixmap) {
+ XFreePixmap(fl_get_display(), cursor_pixmap);
+ cursor_pixmap = 0;
+ }
+
+ if (y2 > 0 && y1 < int(owner.height())) {
+ cursor_pixmap_h = y2 - y1 + 1;
+ cursor_pixmap_y = y1;
+
+ switch (shape) {
+ case BAR_SHAPE:
+ cursor_pixmap_w = 1;
+ cursor_pixmap_x = x;
+ break;
+ case L_SHAPE:
+ cursor_pixmap_w = cursor_pixmap_h/3;
+ cursor_pixmap_x = x;
+ break;
+ case REVERSED_L_SHAPE:
+ cursor_pixmap_w = cursor_pixmap_h/3;
+ cursor_pixmap_x = x - cursor_pixmap_w + 1;
+ break;
+ }
+
+ cursor_pixmap =
+ XCreatePixmap (fl_get_display(),
+ fl_root,
+ cursor_pixmap_w,
+ cursor_pixmap_h,
+ fl_get_visual_depth());
+ XCopyArea (fl_get_display(),
+ owner.getWin(),
+ cursor_pixmap,
+ gc_copy,
+ owner.xpos() + cursor_pixmap_x,
+ owner.ypos() + cursor_pixmap_y,
+ cursor_pixmap_w,
+ cursor_pixmap_h,
+ 0, 0);
+ XDrawLine(fl_get_display(),
+ owner.getWin(),
+ gc_copy,
+ x + owner.xpos(),
+ y1 + owner.ypos(),
+ x + owner.xpos(),
+ y2 + owner.ypos());
+ switch (shape) {
+ case BAR_SHAPE:
+ break;
+ case L_SHAPE:
+ case REVERSED_L_SHAPE:
+ int const rectangle_h = (cursor_pixmap_h + 10) / 20;
+ XFillRectangle(fl_get_display(),
+ owner.getWin(),
+ gc_copy,
+ cursor_pixmap_x + owner.xpos(),
+ y2 - rectangle_h + 1 + owner.ypos(),
+ cursor_pixmap_w - 1, rectangle_h);
+ break;
+ }
+
+ }
+ cursor_visible = true;
+}
+
+
+void LyXScreen::hideCursor()
+{
+ if (!cursor_visible) return;
+
+ if (cursor_pixmap) {
+ XCopyArea (fl_get_display(),
+ cursor_pixmap,
+ owner.getWin(),
+ gc_copy,
+ 0, 0,
+ cursor_pixmap_w, cursor_pixmap_h,
+ cursor_pixmap_x + owner.xpos(),
+ cursor_pixmap_y + owner.ypos());
+ }
+ cursor_visible = false;
+}
+
+
+void LyXScreen::cursorToggle(BufferView * bv) const
+{
+ if (cursor_visible)
+ bv->hideCursor();
+ else
+ bv->showCursor();
+}
+
+
+/* returns a new top so that the cursor is visible */
+unsigned int LyXScreen::topCursorVisible(LyXText const * text)
+{
+ int newtop = text->first_y;
+
+ Row * row = text->cursor.row();
+
+ // Is this a hack? Yes, probably... (Lgb)
+ if (!row)
+ return max(newtop, 0);
+
+ if (text->cursor.y() - row->baseline() + row->height()
+ - text->first_y >= owner.height()) {
+ if (row->height() < owner.height()
+ && row->height() > owner.height() / 4) {
+ newtop = text->cursor.y()
+ + row->height()
+ - row->baseline() - owner.height();
+ } else {
+ // scroll down
+ newtop = text->cursor.y()
+ - owner.height() / 2; /* the scroll region must be so big!! */
+ }
+
+ } else if (static_cast<int>((text->cursor.y()) - row->baseline()) <
+ text->first_y && text->first_y > 0) {
+ if (row->height() < owner.height()
+ && row->height() > owner.height() / 4) {
+ newtop = text->cursor.y() - row->baseline();
+ } else {
+ // scroll up
+ newtop = text->cursor.y() - owner.height() / 2;
+ newtop = min(newtop, text->first_y);
+ }
+ }
+
+ newtop = max(newtop, 0);
+
+ return newtop;
+}
+
+
+/* scrolls the screen so that the cursor is visible, if necessary.
+* returns true if a change was made, otherwise false */
+bool LyXScreen::fitCursor(LyXText * text, BufferView * bv)
+{
+ // Is a change necessary?
+ int const newtop = topCursorVisible(text);
+ bool const result = (newtop != text->first_y);
+ if (result)
+ draw(text, bv, newtop);
+ return result;
+}
+
+
+void LyXScreen::update(LyXText * text, BufferView * bv,
+ int y_offset, int x_offset)
+{
+ switch (text->status()) {
+ case LyXText::NEED_MORE_REFRESH:
+ {
+ int const y = max(int(text->refresh_y - text->first_y), 0);
+ drawFromTo(text, bv, y, owner.height(), y_offset, x_offset);
+ text->refresh_y = 0;
+ // otherwise this is called ONLY from BufferView_pimpl(update)
+ // or we should see to set this flag accordingly
+ if (text != bv->text)
+ text->status(bv, LyXText::UNCHANGED);
+ expose(0, y, owner.workWidth(), owner.height() - y);
+ }
+ break;
+ case LyXText::NEED_VERY_LITTLE_REFRESH:
+ {
+ // ok I will update the current cursor row
+ drawOneRow(text, bv, text->refresh_row, text->refresh_y,
+ y_offset, x_offset);
+ // this because if we had a major update the refresh_row could
+ // have been set to 0!
+ if (text->refresh_row) {
+ // otherwise this is called ONLY from BufferView_pimpl(update)
+ // or we should see to set this flag accordingly
+ if (text != bv->text)
+ text->status(bv, LyXText::UNCHANGED);
+ expose(0, text->refresh_y - text->first_y + y_offset,
+ owner.workWidth(), text->refresh_row->height());
+ }
+ }
+ break;
+ case LyXText::CHANGED_IN_DRAW: // just to remove the warning
+ case LyXText::UNCHANGED:
+ // Nothing needs done
+ break;
+ }
+}
+
+
+void LyXScreen::toggleSelection(LyXText * text, BufferView * bv,
+ bool kill_selection,
+ int y_offset, int x_offset)
+{
+ // only if there is a selection
+ if (!text->selection.set()) return;
+
+ int const bottom = min(
+ max(static_cast<int>(text->selection.end.y()
+ - text->selection.end.row()->baseline()
+ + text->selection.end.row()->height()),
+ text->first_y),
+ static_cast<int>(text->first_y + owner.height()));
+ int const top = min(
+ max(static_cast<int>(text->selection.start.y() -
+ text->selection.start.row()->baseline()),
+ text->first_y),
+ static_cast<int>(text->first_y + owner.height()));
+
+ if (kill_selection)
+ text->selection.set(false);
+ drawFromTo(text, bv, top - text->first_y, bottom - text->first_y,
+ y_offset, x_offset);
+ expose(0, top - text->first_y,
+ owner.workWidth(),
+ bottom - text->first_y - (top - text->first_y));
+}
+
+
+void LyXScreen::toggleToggle(LyXText * text, BufferView * bv,
+ int y_offset, int x_offset)
+{
+ if (text->toggle_cursor.par() == text->toggle_end_cursor.par()
+ && text->toggle_cursor.pos() == text->toggle_end_cursor.pos())
+ return;
+
+ int const top_tmp = text->toggle_cursor.y()
+ - text->toggle_cursor.row()->baseline();
+ int const bottom_tmp = text->toggle_end_cursor.y()
+ - text->toggle_end_cursor.row()->baseline()
+ + text->toggle_end_cursor.row()->height();
+
+ int const offset = y_offset < 0 ? y_offset : 0;
+ int const bottom = min(max(bottom_tmp, text->first_y),
+ static_cast<int>(text->first_y + owner.height()))-offset;
+ int const top = min(max(top_tmp, text->first_y),
+ static_cast<int>(text->first_y + owner.height()))-offset;
+
+ drawFromTo(text, bv, top - text->first_y,
+ bottom - text->first_y, y_offset,
+ x_offset);
+ expose(0, top - text->first_y, owner.workWidth(),
+ bottom - text->first_y - (top - text->first_y));
+}
--- /dev/null
+// -*- C++ -*-
+/* This file is part of
+ * ======================================================
+ *
+ * LyX, The Document Processor
+ *
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2001 The LyX Team
+ *
+ * ====================================================== */
+
+#ifndef LYXSCREEN_H
+#define LYXSCREEN_H
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+#include <X11/Xlib.h>
+
+class LyXText;
+class WorkArea;
+class Buffer;
+class BufferView;
+
+struct Row;
+
+/** The class LyXScreen is used for the main Textbody.
+ Concretely, the screen is held in a pixmap. This pixmap is kept up to
+ date and used to optimize drawing on the screen.
+ This class also handles the drawing of the cursor and partly the selection.
+ */
+class LyXScreen {
+public:
+ ///
+ enum Cursor_Shape {
+ ///
+ BAR_SHAPE,
+ ///
+ L_SHAPE,
+ ///
+ REVERSED_L_SHAPE
+ };
+
+ ///
+ LyXScreen(WorkArea &);
+
+ ///
+ ~LyXScreen();
+
+ /// Sets the cursor color to LColor::cursor.
+ void setCursorColor();
+
+ /** Draws the screen form textposition y. Uses as much of
+ the already printed pixmap as possible */
+ void draw(LyXText *, BufferView *, unsigned int y);
+
+ /// Redraws the screen, without using existing pixmap
+ void redraw(LyXText *, BufferView *);
+
+ /// Returns a new top so that the cursor is visible
+ unsigned int topCursorVisible(LyXText const *);
+ /// Redraws the screen such that the cursor is visible
+ bool fitCursor(LyXText *, BufferView *);
+ ///
+ void showCursor(LyXText const *, BufferView const *);
+ ///
+ void hideCursor();
+ ///
+ void cursorToggle(BufferView *) const;
+ ///
+ void showManualCursor(LyXText const *, int x, int y,
+ int asc, int desc,
+ Cursor_Shape shape);
+ /// returns 1 if first has changed, otherwise 0
+ bool fitManualCursor(LyXText *, BufferView *, int, int, int, int);
+ ///
+ void toggleSelection(LyXText *, BufferView *, bool = true,
+ int y_offset = 0, int x_offset = 0);
+ ///
+ void toggleToggle(LyXText *, BufferView *,
+ int y_offset = 0, int x_offset = 0);
+
+ /** Updates part of the screen. If text->status is
+ LyXText::NEED_MORE_REFRESH, we update from the
+ point of change and to the end of the screen.
+ If text->status is LyXText::NEED_VERY_LITTLE_REFRESH,
+ we only update the current row. */
+ void update(LyXText *, BufferView *, int y_offset=0, int x_offset=0);
+ ///
+ bool forceClear() const { return force_clear; }
+
+ ///
+ bool cursor_visible;
+private:
+ /// Copies specified area of pixmap to screen
+ void expose(int x, int y, int exp_width, int exp_height);
+
+ /// y1 and y2 are coordinates of the screen
+ void drawFromTo(LyXText *, BufferView *, int y1, int y2,
+ int y_offset = 0, int x_offset = 0, bool internal=false);
+
+ /// y is a coordinate of the text
+ void drawOneRow(LyXText *, BufferView *, Row * row,
+ int y_text, int y_offset = 0, int x_offset = 0);
+
+ ///
+ WorkArea & owner;
+
+ ///
+ Pixmap cursor_pixmap;
+ ///
+ int cursor_pixmap_x;
+ ///
+ int cursor_pixmap_y;
+ ///
+ int cursor_pixmap_w;
+ ///
+ int cursor_pixmap_h;
+ ///
+ GC gc_copy;
+ ///
+ bool force_clear;
+};
+
+#endif
+2002-05-23 John Levon <moz@compsoc.man.ac.uk>
+
+ * XFormsView.C:
+ * lyxlookup.h:
+ * lyxlookup.C:
+ * Makefile.am: move here
+
2002-05-23 John Levon <moz@compsoc.man.ac.uk>
* DropDown.h:
GUIRunTime.C \
input_validators.C \
input_validators.h \
+ lyxlookup.C \
+ lyxlookup.h \
MathsSymbols.C \
MathsSymbols.h \
Menubar_pimpl.C \
#include "XFormsView.h"
#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
-#include "lyxlookup.h"
+#include "frontends/xforms/lyxlookup.h"
#endif
#include "minibuffer.h"
#include "debug.h"
--- /dev/null
+/* This file is part of
+ * ======================================================
+ *
+ * LyX, The Document Processor
+ *
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2001 The LyX team.
+ *
+ * ====================================================== */
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+#include <config.h>
+
+#ifdef HAVE_XOPENIM
+// This part is the full blown Input Method manager for X11R5 and up.
+// For the plain-and-old-X11R4 version, see later.
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+#include <clocale>
+
+#include "lyxlookup.h"
+#include "debug.h"
+#include "lyxrc.h"
+
+using std::endl;
+
+namespace {
+
+XIM xim;
+XIC xic;
+XComposeStatus compose_status= {0, 0};
+
+} // namespace anon
+
+
+// This is called after the main LyX window has been created
+void InitLyXLookup(Display * display, Window window)
+{
+ xic = 0;
+
+ lyxerr[Debug::KEY]
+ << "InitLyXLookup: creating an input context."
+ << endl;
+
+ // This part could be done before opening display
+ string oldlocale = setlocale(LC_CTYPE, 0);
+ setlocale(LC_CTYPE, "");
+ if (!XSupportsLocale()) {
+ lyxerr[Debug::KEY]
+ << "InitLyXLookup: X does not support this locale."
+ << endl;
+ return;
+ }
+ // reset the LC_CTYPE locale to previous value.
+ setlocale(LC_CTYPE, oldlocale.c_str());
+
+ char const * locmod;
+ if (!(locmod = XSetLocaleModifiers(""))) {
+ lyxerr[Debug::KEY] << "InitLyXLookup: Could not set modifiers "
+ "for this locale." << endl;
+ return;
+ }
+ else
+ lyxerr[Debug::KEY] << "InitLyXLookup: X locale modifiers are `"
+ << locmod << '\'' << endl;
+
+ // This part will have to be done for each frame
+ xim = XOpenIM (display, 0, 0, 0);
+ if (xim) {
+ xic = XCreateIC(xim,
+ XNInputStyle,
+ XIMPreeditNothing|XIMStatusNothing,
+ XNClientWindow, window,
+ XNFocusWindow, window,
+ 0);
+
+ if (!xic) {
+ lyxerr[Debug::KEY] << "InitLyXLookup: "
+ "could not create an input context" << endl;
+ XCloseIM (xim);
+ xim = 0;
+ }
+ }
+ else
+ lyxerr[Debug::KEY] << "InitLyXLookup: could not open "
+ "an input method." << endl;
+}
+
+
+namespace {
+
+bool isDeadEvent(KeySym keysym)
+{
+ // Can this be done safely in any other way?
+ // This is all the dead keys I know of in X11R6.1
+ switch (keysym) {
+#ifdef XK_dead_grave
+ case XK_dead_grave:
+#endif
+#ifdef XK_dead_acute
+ case XK_dead_acute:
+#endif
+#ifdef XK_dead_circumflex
+ case XK_dead_circumflex:
+#endif
+#ifdef XK_dead_tilde
+ case XK_dead_tilde:
+#endif
+#ifdef XK_dead_macron
+ case XK_dead_macron:
+#endif
+#ifdef XK_dead_breve
+ case XK_dead_breve:
+#endif
+#ifdef XK_dead_abovedot
+ case XK_dead_abovedot:
+#endif
+#ifdef XK_dead_diaeresis
+ case XK_dead_diaeresis:
+#endif
+#ifdef XK_dead_abovering
+ case XK_dead_abovering:
+#endif
+#ifdef XK_dead_doubleacute
+ case XK_dead_doubleacute:
+#endif
+#ifdef XK_dead_caron
+ case XK_dead_caron:
+#endif
+#ifdef XK_dead_cedilla
+ case XK_dead_cedilla:
+#endif
+#ifdef XK_dead_ogonek
+ case XK_dead_ogonek:
+#endif
+#ifdef XK_dead_iota
+ case XK_dead_iota:
+#endif
+#ifdef XK_dead_voiced_sound
+ case XK_dead_voiced_sound:
+#endif
+#ifdef XK_dead_semivoiced_sound
+ case XK_dead_semivoiced_sound:
+#endif
+#ifdef XK_dead_belowdot
+ case XK_dead_belowdot:
+#endif
+ return true;
+ default:
+ return false;
+ }
+}
+
+} // namespace anon
+
+
+// This is called instead of XLookupString()
+int LyXLookupString(XEvent * event,
+ char * buffer_return, int bytes_buffer,
+ KeySym * keysym_return)
+{
+ if (event->type != KeyPress) {
+ lyxerr << "LyXLookupString: wrong event type: "
+ << event->type << endl;
+ return 0;
+ }
+
+ int result = 0;
+ if (xic) {
+#if 1
+ // somehow it is necessary to do the lookup. Why? (JMarc)
+ XLookupString(&event->xkey, buffer_return,
+ bytes_buffer, keysym_return,
+ 0);
+
+ if (lyxrc.override_x_deadkeys &&
+ isDeadEvent(*keysym_return)) {
+ lyxerr[Debug::KEY]
+ << "LyXLookupString: found DeadEvent" << endl;
+ return 0;
+ }
+#endif
+#if 1
+ if (XFilterEvent (event, None)) {
+ lyxerr[Debug::KEY] <<"XFilterEvent" << endl;
+ *keysym_return = NoSymbol;
+ return 0;
+ }
+#endif
+ Status status_return = 0;
+
+ result = XmbLookupString(xic, &event->xkey, buffer_return,
+ bytes_buffer, keysym_return,
+ &status_return);
+ switch (status_return) {
+ case XBufferOverflow:
+ lyxerr[Debug::KEY] << "XBufferOverflow" << endl;
+ break;
+ case XLookupBoth:
+ lyxerr[Debug::KEY] << "XLookupBoth "
+ << string(buffer_return, result)
+ << endl;
+ break;
+ case XLookupChars:
+ lyxerr[Debug::KEY] << "XLookupChars "
+ << string(buffer_return, result)
+ << endl;
+
+ *keysym_return = NoSymbol;
+ break;
+ case XLookupKeySym:
+ lyxerr[Debug::KEY] << "XLookupKeySym" << endl;
+ result = 0;
+ break;
+ case XLookupNone:
+ lyxerr[Debug::KEY] << "XLookupNone" << endl;
+ *keysym_return = NoSymbol;
+ result = 0;
+ break;
+ default:
+ lyxerr << "Unknown status_return from"
+ " XmbLookupString" << endl;
+ break;
+ }
+ } else {
+ result = XLookupString(&event->xkey, buffer_return,
+ bytes_buffer, keysym_return,
+ &compose_status);
+ }
+ return result;
+}
+
+
+// This is called after the main window has been destroyed
+void CloseLyXLookup()
+{
+ if (xic) {
+ lyxerr[Debug::KEY] << "CloseLyXLookup: destroying input context"
+ << endl;
+ XDestroyIC(xic);
+ xic = 0;
+ XCloseIM(xim);
+ }
+}
+
+
+#else // We do not have XOpenIM, so we stick with normal XLookupString
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+XComposeStatus compose_status= {0, 0};
+
+// This is called after the main LyX window has been created
+void InitLyXLookup(Display *, Window)
+{
+ //Nothing to do.
+}
+
+// This is called instead of XLookupString(). I this particular case,
+// this *is* XLookupString...
+int LyXLookupString(XEvent * event,
+ char * buffer_return, int bytes_buffer,
+ KeySym * keysym_return)
+{
+ return XLookupString(&event->xkey, buffer_return,
+ bytes_buffer, keysym_return,
+ &compose_status);
+}
+
+// This is called after the main window has been destroyed
+void CloseLyXLookup()
+{
+ // Nothing to do
+}
+
+#endif // HAVE_XOPENIM
--- /dev/null
+/* This file is part of -*- C++ -*-
+* ======================================================
+*
+* LyX, The Document Processor
+*
+* Copyright 1995 Matthias Ettrich
+* Copyright 1995-2001 The LyX Team.
+*
+* ====================================================== */
+
+/* This header file defines wrappers around the X input method related
+ functions. This should probably be moved into LyXView (to have
+ different input methods for different frames, but for now we can
+ keep it as it is. */
+#ifndef LYXLOOKUP_H
+#define LYXLOOKUP_H
+
+#include <X11/Xlib.h>
+
+/// Initialize the compose key handling
+extern void InitLyXLookup(Display *, Window);
+
+/// Read a keysym and/or a string (like XLookupString)
+extern int LyXLookupString(XEvent * event,
+ char * buffer_return, int bytes_buffer,
+ KeySym * keysym_return);
+
+/// Call this when you destroy your window
+extern void CloseLyXLookup();
+
+#endif
+2002-05-23 John Levon <moz@compsoc.man.ac.uk>
+
+ * insettext.C: screen moved
+
2002-05-23 John Levon <moz@compsoc.man.ac.uk>
* insetbib.C:
#include "lyxrc.h"
#include "intl.h"
#include "trans_mgr.h"
-#include "lyxscreen.h"
+#include "frontends/screen.h"
#include "gettext.h"
#include "lyxfunc.h"
#include "ParagraphParameters.h"
#include "lyxrc.h"
#include "gettext.h"
#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
-#include "lyxlookup.h"
+#include "frontends/xforms/lyxlookup.h"
#endif
#include "bufferlist.h"
#include "ColorHandler.h"
+++ /dev/null
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX team.
- *
- * ====================================================== */
-
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
-#include <config.h>
-
-#ifdef HAVE_XOPENIM
-// This part is the full blown Input Method manager for X11R5 and up.
-// For the plain-and-old-X11R4 version, see later.
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif
-#include <clocale>
-
-#include "lyxlookup.h"
-#include "debug.h"
-#include "lyxrc.h"
-
-using std::endl;
-
-namespace {
-
-XIM xim;
-XIC xic;
-XComposeStatus compose_status= {0, 0};
-
-} // namespace anon
-
-
-// This is called after the main LyX window has been created
-void InitLyXLookup(Display * display, Window window)
-{
- xic = 0;
-
- lyxerr[Debug::KEY]
- << "InitLyXLookup: creating an input context."
- << endl;
-
- // This part could be done before opening display
- string oldlocale = setlocale(LC_CTYPE, 0);
- setlocale(LC_CTYPE, "");
- if (!XSupportsLocale()) {
- lyxerr[Debug::KEY]
- << "InitLyXLookup: X does not support this locale."
- << endl;
- return;
- }
- // reset the LC_CTYPE locale to previous value.
- setlocale(LC_CTYPE, oldlocale.c_str());
-
- char const * locmod;
- if (!(locmod = XSetLocaleModifiers(""))) {
- lyxerr[Debug::KEY] << "InitLyXLookup: Could not set modifiers "
- "for this locale." << endl;
- return;
- }
- else
- lyxerr[Debug::KEY] << "InitLyXLookup: X locale modifiers are `"
- << locmod << '\'' << endl;
-
- // This part will have to be done for each frame
- xim = XOpenIM (display, 0, 0, 0);
- if (xim) {
- xic = XCreateIC(xim,
- XNInputStyle,
- XIMPreeditNothing|XIMStatusNothing,
- XNClientWindow, window,
- XNFocusWindow, window,
- 0);
-
- if (!xic) {
- lyxerr[Debug::KEY] << "InitLyXLookup: "
- "could not create an input context" << endl;
- XCloseIM (xim);
- xim = 0;
- }
- }
- else
- lyxerr[Debug::KEY] << "InitLyXLookup: could not open "
- "an input method." << endl;
-}
-
-
-namespace {
-
-bool isDeadEvent(KeySym keysym)
-{
- // Can this be done safely in any other way?
- // This is all the dead keys I know of in X11R6.1
- switch (keysym) {
-#ifdef XK_dead_grave
- case XK_dead_grave:
-#endif
-#ifdef XK_dead_acute
- case XK_dead_acute:
-#endif
-#ifdef XK_dead_circumflex
- case XK_dead_circumflex:
-#endif
-#ifdef XK_dead_tilde
- case XK_dead_tilde:
-#endif
-#ifdef XK_dead_macron
- case XK_dead_macron:
-#endif
-#ifdef XK_dead_breve
- case XK_dead_breve:
-#endif
-#ifdef XK_dead_abovedot
- case XK_dead_abovedot:
-#endif
-#ifdef XK_dead_diaeresis
- case XK_dead_diaeresis:
-#endif
-#ifdef XK_dead_abovering
- case XK_dead_abovering:
-#endif
-#ifdef XK_dead_doubleacute
- case XK_dead_doubleacute:
-#endif
-#ifdef XK_dead_caron
- case XK_dead_caron:
-#endif
-#ifdef XK_dead_cedilla
- case XK_dead_cedilla:
-#endif
-#ifdef XK_dead_ogonek
- case XK_dead_ogonek:
-#endif
-#ifdef XK_dead_iota
- case XK_dead_iota:
-#endif
-#ifdef XK_dead_voiced_sound
- case XK_dead_voiced_sound:
-#endif
-#ifdef XK_dead_semivoiced_sound
- case XK_dead_semivoiced_sound:
-#endif
-#ifdef XK_dead_belowdot
- case XK_dead_belowdot:
-#endif
- return true;
- default:
- return false;
- }
-}
-
-} // namespace anon
-
-
-// This is called instead of XLookupString()
-int LyXLookupString(XEvent * event,
- char * buffer_return, int bytes_buffer,
- KeySym * keysym_return)
-{
- if (event->type != KeyPress) {
- lyxerr << "LyXLookupString: wrong event type: "
- << event->type << endl;
- return 0;
- }
-
- int result = 0;
- if (xic) {
-#if 1
- // somehow it is necessary to do the lookup. Why? (JMarc)
- XLookupString(&event->xkey, buffer_return,
- bytes_buffer, keysym_return,
- 0);
-
- if (lyxrc.override_x_deadkeys &&
- isDeadEvent(*keysym_return)) {
- lyxerr[Debug::KEY]
- << "LyXLookupString: found DeadEvent" << endl;
- return 0;
- }
-#endif
-#if 1
- if (XFilterEvent (event, None)) {
- lyxerr[Debug::KEY] <<"XFilterEvent" << endl;
- *keysym_return = NoSymbol;
- return 0;
- }
-#endif
- Status status_return = 0;
-
- result = XmbLookupString(xic, &event->xkey, buffer_return,
- bytes_buffer, keysym_return,
- &status_return);
- switch (status_return) {
- case XBufferOverflow:
- lyxerr[Debug::KEY] << "XBufferOverflow" << endl;
- break;
- case XLookupBoth:
- lyxerr[Debug::KEY] << "XLookupBoth "
- << string(buffer_return, result)
- << endl;
- break;
- case XLookupChars:
- lyxerr[Debug::KEY] << "XLookupChars "
- << string(buffer_return, result)
- << endl;
-
- *keysym_return = NoSymbol;
- break;
- case XLookupKeySym:
- lyxerr[Debug::KEY] << "XLookupKeySym" << endl;
- result = 0;
- break;
- case XLookupNone:
- lyxerr[Debug::KEY] << "XLookupNone" << endl;
- *keysym_return = NoSymbol;
- result = 0;
- break;
- default:
- lyxerr << "Unknown status_return from"
- " XmbLookupString" << endl;
- break;
- }
- } else {
- result = XLookupString(&event->xkey, buffer_return,
- bytes_buffer, keysym_return,
- &compose_status);
- }
- return result;
-}
-
-
-// This is called after the main window has been destroyed
-void CloseLyXLookup()
-{
- if (xic) {
- lyxerr[Debug::KEY] << "CloseLyXLookup: destroying input context"
- << endl;
- XDestroyIC(xic);
- xic = 0;
- XCloseIM(xim);
- }
-}
-
-
-#else // We do not have XOpenIM, so we stick with normal XLookupString
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-XComposeStatus compose_status= {0, 0};
-
-// This is called after the main LyX window has been created
-void InitLyXLookup(Display *, Window)
-{
- //Nothing to do.
-}
-
-// This is called instead of XLookupString(). I this particular case,
-// this *is* XLookupString...
-int LyXLookupString(XEvent * event,
- char * buffer_return, int bytes_buffer,
- KeySym * keysym_return)
-{
- return XLookupString(&event->xkey, buffer_return,
- bytes_buffer, keysym_return,
- &compose_status);
-}
-
-// This is called after the main window has been destroyed
-void CloseLyXLookup()
-{
- // Nothing to do
-}
-
-#endif // HAVE_XOPENIM
+++ /dev/null
-/* This file is part of -*- C++ -*-
-* ======================================================
-*
-* LyX, The Document Processor
-*
-* Copyright 1995 Matthias Ettrich
-* Copyright 1995-2001 The LyX Team.
-*
-* ====================================================== */
-
-/* This header file defines wrappers around the X input method related
- functions. This should probably be moved into LyXView (to have
- different input methods for different frames, but for now we can
- keep it as it is. */
-#ifndef LYXLOOKUP_H
-#define LYXLOOKUP_H
-
-#include <X11/Xlib.h>
-
-/// Initialize the compose key handling
-extern void InitLyXLookup(Display *, Window);
-
-/// Read a keysym and/or a string (like XLookupString)
-extern int LyXLookupString(XEvent * event,
- char * buffer_return, int bytes_buffer,
- KeySym * keysym_return);
-
-/// Call this when you destroy your window
-extern void CloseLyXLookup();
-
-#endif
+++ /dev/null
-// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team
- *
- * ====================================================== */
-
-#ifndef LYXSCREEN_H
-#define LYXSCREEN_H
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include <X11/Xlib.h>
-
-class LyXText;
-class WorkArea;
-class Buffer;
-class BufferView;
-
-struct Row;
-
-/** The class LyXScreen is used for the main Textbody.
- Concretely, the screen is held in a pixmap. This pixmap is kept up to
- date and used to optimize drawing on the screen.
- This class also handles the drawing of the cursor and partly the selection.
- */
-class LyXScreen {
-public:
- ///
- enum Cursor_Shape {
- ///
- BAR_SHAPE,
- ///
- L_SHAPE,
- ///
- REVERSED_L_SHAPE
- };
-
- ///
- LyXScreen(WorkArea &);
-
- ///
- ~LyXScreen();
-
- /// Sets the cursor color to LColor::cursor.
- void setCursorColor();
-
- /** Draws the screen form textposition y. Uses as much of
- the already printed pixmap as possible */
- void draw(LyXText *, BufferView *, unsigned int y);
-
- /// Redraws the screen, without using existing pixmap
- void redraw(LyXText *, BufferView *);
-
- /// Returns a new top so that the cursor is visible
- unsigned int topCursorVisible(LyXText const *);
- /// Redraws the screen such that the cursor is visible
- bool fitCursor(LyXText *, BufferView *);
- ///
- void showCursor(LyXText const *, BufferView const *);
- ///
- void hideCursor();
- ///
- void cursorToggle(BufferView *) const;
- ///
- void showManualCursor(LyXText const *, int x, int y,
- int asc, int desc,
- Cursor_Shape shape);
- /// returns 1 if first has changed, otherwise 0
- bool fitManualCursor(LyXText *, BufferView *, int, int, int, int);
- ///
- void toggleSelection(LyXText *, BufferView *, bool = true,
- int y_offset = 0, int x_offset = 0);
- ///
- void toggleToggle(LyXText *, BufferView *,
- int y_offset = 0, int x_offset = 0);
-
- /** Updates part of the screen. If text->status is
- LyXText::NEED_MORE_REFRESH, we update from the
- point of change and to the end of the screen.
- If text->status is LyXText::NEED_VERY_LITTLE_REFRESH,
- we only update the current row. */
- void update(LyXText *, BufferView *, int y_offset=0, int x_offset=0);
- ///
- bool forceClear() const { return force_clear; }
-
- ///
- bool cursor_visible;
-private:
- /// Copies specified area of pixmap to screen
- void expose(int x, int y, int exp_width, int exp_height);
-
- /// y1 and y2 are coordinates of the screen
- void drawFromTo(LyXText *, BufferView *, int y1, int y2,
- int y_offset = 0, int x_offset = 0, bool internal=false);
-
- /// y is a coordinate of the text
- void drawOneRow(LyXText *, BufferView *, Row * row,
- int y_text, int y_offset = 0, int x_offset = 0);
-
- ///
- WorkArea & owner;
-
- ///
- Pixmap cursor_pixmap;
- ///
- int cursor_pixmap_x;
- ///
- int cursor_pixmap_y;
- ///
- int cursor_pixmap_w;
- ///
- int cursor_pixmap_h;
- ///
- GC gc_copy;
- ///
- bool force_clear;
-};
-
-#endif
+++ /dev/null
-/* This file is part of
-* ======================================================
-*
-* LyX, The Document Processor
-*
-* Copyright 1995 Matthias Ettrich
-* Copyright 1995-1998 The LyX Team
-*
-* ====================================================== */
-
-#include <config.h>
-
-#ifdef __GNUG__
-#pragma implementation "lyxscreen.h"
-#endif
-
-#include <algorithm>
-
-#include "lyxscreen.h"
-#include "lyxtext.h"
-#include "lyxrow.h"
-#include "frontends/Painter.h"
-#include "WorkArea.h"
-#include "buffer.h"
-#include "BufferView.h"
-#include "font.h"
-#include "insets/insettext.h"
-#include "ColorHandler.h"
-#include "language.h"
-
-using std::max;
-using std::min;
-
-namespace {
-
-GC createGC()
-{
- XGCValues val;
- val.foreground = BlackPixel(fl_get_display(),
- DefaultScreen(fl_get_display()));
-
- val.function = GXcopy;
- val.graphics_exposures = false;
- val.line_style = LineSolid;
- val.line_width = 0;
- return XCreateGC(fl_get_display(), RootWindow(fl_get_display(), 0),
- GCForeground | GCFunction | GCGraphicsExposures
- | GCLineWidth | GCLineStyle , &val);
-}
-
-} // namespace anon
-
-
-// Constructor
-LyXScreen::LyXScreen(WorkArea & o)
- : owner(o), force_clear(true)
-{
- // the cursor isnt yet visible
- cursor_visible = false;
- cursor_pixmap = 0;
- cursor_pixmap_x = 0;
- cursor_pixmap_y = 0;
- cursor_pixmap_w = 0;
- cursor_pixmap_h = 0;
-
- // We need this GC
- gc_copy = createGC();
-}
-
-
-LyXScreen::~LyXScreen()
-{
- XFreeGC(fl_get_display(), gc_copy);
-}
-
-
-void LyXScreen::setCursorColor()
-{
- if (!lyxColorHandler.get()) return;
-
- GC gc = lyxColorHandler->getGCForeground(LColor::cursor);
-
- XGCValues val;
- XGetGCValues(fl_get_display(),
- gc, GCForeground, &val);
- XChangeGC(fl_get_display(), gc_copy, GCForeground, &val);
-}
-
-
-void LyXScreen::redraw(LyXText * text, BufferView * bv)
-{
- drawFromTo(text, bv, 0, owner.height(), 0, 0, text == bv->text);
- expose(0, 0, owner.workWidth(), owner.height());
- if (cursor_visible) {
- cursor_visible = false;
- bv->showCursor();
- }
-}
-
-
-void LyXScreen::expose(int x, int y, int exp_width, int exp_height)
-{
- XCopyArea(fl_get_display(),
- owner.getPixmap(),
- owner.getWin(),
- gc_copy,
- x, y,
- exp_width, exp_height,
- x + owner.xpos(),
- y + owner.ypos());
-}
-
-
-void LyXScreen::drawFromTo(LyXText * text, BufferView * bv,
- int y1, int y2, int y_offset, int x_offset,
- bool internal)
-{
- int y_text = text->first_y + y1;
-
- // get the first needed row
- Row * row = text->getRowNearY(y_text);
- // y_text is now the real beginning of the row
-
- int y = y_text - text->first_y;
- // y1 is now the real beginning of row on the screen
-
- while (row != 0 && y < y2) {
- LyXText::text_status st = text->status();
- text->getVisibleRow(bv, y + y_offset,
- x_offset, row, y + text->first_y);
- internal = internal && (st != LyXText::CHANGED_IN_DRAW);
- while (internal && text->status() == LyXText::CHANGED_IN_DRAW) {
- text->fullRebreak(bv);
- st = LyXText::NEED_MORE_REFRESH;
- text->setCursor(bv, text->cursor.par(),
- text->cursor.pos());
- text->status(bv, st);
- // we should be sure our row-pointer is still valid, so it's
- // better to recompute it.
- y_text = y + text->first_y;
- row = text->getRowNearY(y_text);
- y = y_text - text->first_y;
- text->getVisibleRow(bv, y + y_offset,
- x_offset, row, y + text->first_y);
- }
- y += row->height();
- row = row->next();
- }
- force_clear = false;
-
- // maybe we have to clear the screen at the bottom
- if ((y < y2) && text->bv_owner) {
- owner.getPainter().fillRectangle(0, y,
- owner.workWidth(),
- y2 - y,
- LColor::bottomarea);
- }
-}
-
-
-void LyXScreen::drawOneRow(LyXText * text, BufferView * bv, Row * row,
- int y_text, int y_offset, int x_offset)
-{
- int const y = y_text - text->first_y + y_offset;
-
- if (((y + row->height()) > 0) &&
- ((y - row->height()) <= static_cast<int>(owner.height()))) {
- // ok there is something visible
- text->getVisibleRow(bv, y, x_offset, row, y + text->first_y);
- }
- force_clear = false;
-}
-
-
-/* draws the screen, starting with textposition y. uses as much already
- * printed pixels as possible */
-void LyXScreen::draw(LyXText * text, BufferView * bv, unsigned int y)
-{
- if (cursor_visible) hideCursor();
-
- int const old_first = text->first_y;
- bool internal = (text == bv->text);
- text->first_y = y;
-
- // is any optimiziation possible?
- if ((y - old_first) < owner.height()
- && (old_first - y) < owner.height())
- {
- if (text->first_y < old_first) {
- drawFromTo(text, bv, 0,
- old_first - text->first_y, 0, 0, internal);
- XCopyArea (fl_get_display(),
- owner.getWin(),
- owner.getWin(),
- gc_copy,
- owner.xpos(),
- owner.ypos(),
- owner.workWidth(),
- owner.height() - old_first + text->first_y,
- owner.xpos(),
- owner.ypos() + old_first - text->first_y
- );
- // expose the area drawn
- expose(0, 0,
- owner.workWidth(),
- old_first - text->first_y);
- } else {
- drawFromTo(text, bv,
- owner.height() + old_first - text->first_y,
- owner.height(), 0, 0, internal);
- XCopyArea (fl_get_display(),
- owner.getWin(),
- owner.getWin(),
- gc_copy,
- owner.xpos(),
- owner.ypos() + text->first_y - old_first,
- owner.workWidth(),
- owner.height() + old_first - text->first_y,
- owner.xpos(),
- owner.ypos());
- // expose the area drawn
- expose(0, owner.height() + old_first - text->first_y,
- owner.workWidth(), text->first_y - old_first);
- }
- } else {
- // make a dumb new-draw
- drawFromTo(text, bv, 0, owner.height(), 0, 0, internal);
- expose(0, 0, owner.workWidth(), owner.height());
- }
-}
-
-
-void LyXScreen::showCursor(LyXText const * text, BufferView const * bv)
-{
- if (!cursor_visible) {
- Cursor_Shape shape = BAR_SHAPE;
- if (text->real_current_font.language() !=
- bv->buffer()->params.language
- || text->real_current_font.isVisibleRightToLeft()
- != bv->buffer()->params.language->RightToLeft())
- shape = (text->real_current_font.isVisibleRightToLeft())
- ? REVERSED_L_SHAPE : L_SHAPE;
- showManualCursor(text, text->cursor.x(), text->cursor.y(),
- lyxfont::maxAscent(text->real_current_font),
- lyxfont::maxDescent(text->real_current_font),
- shape);
- }
-}
-
-
-/* returns true if first has changed, otherwise false */
-bool LyXScreen::fitManualCursor(LyXText * text, BufferView * bv,
- int /*x*/, int y, int asc, int desc)
-{
- int newtop = text->first_y;
-
- if (y + desc - text->first_y >= static_cast<int>(owner.height()))
- newtop = y - 3 * owner.height() / 4; // the scroll region must be so big!!
- else if (y - asc < text->first_y
- && text->first_y > 0) {
- newtop = y - owner.height() / 4;
- }
-
- newtop = max(newtop, 0); // can newtop ever be < 0? (Lgb)
-
- if (newtop != text->first_y) {
- draw(text, bv, newtop);
- text->first_y = newtop;
- return true;
- }
- return false;
-}
-
-
-void LyXScreen::showManualCursor(LyXText const * text, int x, int y,
- int asc, int desc, Cursor_Shape shape)
-{
- // Update the cursor color.
- setCursorColor();
-
- int const y1 = max(y - text->first_y - asc, 0);
- int const y_tmp = min(y - text->first_y + desc,
- static_cast<int>(owner.height()));
-
- // Secure against very strange situations
- int const y2 = max(y_tmp, y1);
-
- if (cursor_pixmap) {
- XFreePixmap(fl_get_display(), cursor_pixmap);
- cursor_pixmap = 0;
- }
-
- if (y2 > 0 && y1 < int(owner.height())) {
- cursor_pixmap_h = y2 - y1 + 1;
- cursor_pixmap_y = y1;
-
- switch (shape) {
- case BAR_SHAPE:
- cursor_pixmap_w = 1;
- cursor_pixmap_x = x;
- break;
- case L_SHAPE:
- cursor_pixmap_w = cursor_pixmap_h/3;
- cursor_pixmap_x = x;
- break;
- case REVERSED_L_SHAPE:
- cursor_pixmap_w = cursor_pixmap_h/3;
- cursor_pixmap_x = x - cursor_pixmap_w + 1;
- break;
- }
-
- cursor_pixmap =
- XCreatePixmap (fl_get_display(),
- fl_root,
- cursor_pixmap_w,
- cursor_pixmap_h,
- fl_get_visual_depth());
- XCopyArea (fl_get_display(),
- owner.getWin(),
- cursor_pixmap,
- gc_copy,
- owner.xpos() + cursor_pixmap_x,
- owner.ypos() + cursor_pixmap_y,
- cursor_pixmap_w,
- cursor_pixmap_h,
- 0, 0);
- XDrawLine(fl_get_display(),
- owner.getWin(),
- gc_copy,
- x + owner.xpos(),
- y1 + owner.ypos(),
- x + owner.xpos(),
- y2 + owner.ypos());
- switch (shape) {
- case BAR_SHAPE:
- break;
- case L_SHAPE:
- case REVERSED_L_SHAPE:
- int const rectangle_h = (cursor_pixmap_h + 10) / 20;
- XFillRectangle(fl_get_display(),
- owner.getWin(),
- gc_copy,
- cursor_pixmap_x + owner.xpos(),
- y2 - rectangle_h + 1 + owner.ypos(),
- cursor_pixmap_w - 1, rectangle_h);
- break;
- }
-
- }
- cursor_visible = true;
-}
-
-
-void LyXScreen::hideCursor()
-{
- if (!cursor_visible) return;
-
- if (cursor_pixmap) {
- XCopyArea (fl_get_display(),
- cursor_pixmap,
- owner.getWin(),
- gc_copy,
- 0, 0,
- cursor_pixmap_w, cursor_pixmap_h,
- cursor_pixmap_x + owner.xpos(),
- cursor_pixmap_y + owner.ypos());
- }
- cursor_visible = false;
-}
-
-
-void LyXScreen::cursorToggle(BufferView * bv) const
-{
- if (cursor_visible)
- bv->hideCursor();
- else
- bv->showCursor();
-}
-
-
-/* returns a new top so that the cursor is visible */
-unsigned int LyXScreen::topCursorVisible(LyXText const * text)
-{
- int newtop = text->first_y;
-
- Row * row = text->cursor.row();
-
- // Is this a hack? Yes, probably... (Lgb)
- if (!row)
- return max(newtop, 0);
-
- if (text->cursor.y() - row->baseline() + row->height()
- - text->first_y >= owner.height()) {
- if (row->height() < owner.height()
- && row->height() > owner.height() / 4) {
- newtop = text->cursor.y()
- + row->height()
- - row->baseline() - owner.height();
- } else {
- // scroll down
- newtop = text->cursor.y()
- - owner.height() / 2; /* the scroll region must be so big!! */
- }
-
- } else if (static_cast<int>((text->cursor.y()) - row->baseline()) <
- text->first_y && text->first_y > 0) {
- if (row->height() < owner.height()
- && row->height() > owner.height() / 4) {
- newtop = text->cursor.y() - row->baseline();
- } else {
- // scroll up
- newtop = text->cursor.y() - owner.height() / 2;
- newtop = min(newtop, text->first_y);
- }
- }
-
- newtop = max(newtop, 0);
-
- return newtop;
-}
-
-
-/* scrolls the screen so that the cursor is visible, if necessary.
-* returns true if a change was made, otherwise false */
-bool LyXScreen::fitCursor(LyXText * text, BufferView * bv)
-{
- // Is a change necessary?
- int const newtop = topCursorVisible(text);
- bool const result = (newtop != text->first_y);
- if (result)
- draw(text, bv, newtop);
- return result;
-}
-
-
-void LyXScreen::update(LyXText * text, BufferView * bv,
- int y_offset, int x_offset)
-{
- switch (text->status()) {
- case LyXText::NEED_MORE_REFRESH:
- {
- int const y = max(int(text->refresh_y - text->first_y), 0);
- drawFromTo(text, bv, y, owner.height(), y_offset, x_offset);
- text->refresh_y = 0;
- // otherwise this is called ONLY from BufferView_pimpl(update)
- // or we should see to set this flag accordingly
- if (text != bv->text)
- text->status(bv, LyXText::UNCHANGED);
- expose(0, y, owner.workWidth(), owner.height() - y);
- }
- break;
- case LyXText::NEED_VERY_LITTLE_REFRESH:
- {
- // ok I will update the current cursor row
- drawOneRow(text, bv, text->refresh_row, text->refresh_y,
- y_offset, x_offset);
- // this because if we had a major update the refresh_row could
- // have been set to 0!
- if (text->refresh_row) {
- // otherwise this is called ONLY from BufferView_pimpl(update)
- // or we should see to set this flag accordingly
- if (text != bv->text)
- text->status(bv, LyXText::UNCHANGED);
- expose(0, text->refresh_y - text->first_y + y_offset,
- owner.workWidth(), text->refresh_row->height());
- }
- }
- break;
- case LyXText::CHANGED_IN_DRAW: // just to remove the warning
- case LyXText::UNCHANGED:
- // Nothing needs done
- break;
- }
-}
-
-
-void LyXScreen::toggleSelection(LyXText * text, BufferView * bv,
- bool kill_selection,
- int y_offset, int x_offset)
-{
- // only if there is a selection
- if (!text->selection.set()) return;
-
- int const bottom = min(
- max(static_cast<int>(text->selection.end.y()
- - text->selection.end.row()->baseline()
- + text->selection.end.row()->height()),
- text->first_y),
- static_cast<int>(text->first_y + owner.height()));
- int const top = min(
- max(static_cast<int>(text->selection.start.y() -
- text->selection.start.row()->baseline()),
- text->first_y),
- static_cast<int>(text->first_y + owner.height()));
-
- if (kill_selection)
- text->selection.set(false);
- drawFromTo(text, bv, top - text->first_y, bottom - text->first_y,
- y_offset, x_offset);
- expose(0, top - text->first_y,
- owner.workWidth(),
- bottom - text->first_y - (top - text->first_y));
-}
-
-
-void LyXScreen::toggleToggle(LyXText * text, BufferView * bv,
- int y_offset, int x_offset)
-{
- if (text->toggle_cursor.par() == text->toggle_end_cursor.par()
- && text->toggle_cursor.pos() == text->toggle_end_cursor.pos())
- return;
-
- int const top_tmp = text->toggle_cursor.y()
- - text->toggle_cursor.row()->baseline();
- int const bottom_tmp = text->toggle_end_cursor.y()
- - text->toggle_end_cursor.row()->baseline()
- + text->toggle_end_cursor.row()->height();
-
- int const offset = y_offset < 0 ? y_offset : 0;
- int const bottom = min(max(bottom_tmp, text->first_y),
- static_cast<int>(text->first_y + owner.height()))-offset;
- int const top = min(max(top_tmp, text->first_y),
- static_cast<int>(text->first_y + owner.height()))-offset;
-
- drawFromTo(text, bv, top - text->first_y,
- bottom - text->first_y, y_offset,
- x_offset);
- expose(0, top - text->first_y, owner.workWidth(),
- bottom - text->first_y - (top - text->first_y));
-}
#include "lyxrc.h"
#include "frontends/LyXView.h"
#include "frontends/Painter.h"
+#include "frontends/screen.h"
#include "tracer.h"
#include "font.h"
#include "encoding.h"
-#include "lyxscreen.h"
#include "bufferview_funcs.h"
#include "BufferView.h"
#include "language.h"
projects / features.git / commitdiff