/* This file is part of
* ======================================================
- *
+ *
* LyX, The Document Processor
- *
+ *
* Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+ * Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
-#include <cmath>
#ifdef __GNUG__
#pragma implementation
#include "WorkArea.h"
#include "debug.h"
-#include "support/lstrings.h"
-#include "BufferView.h"
#include "LyXView.h"
-#include "lyxfunc.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
-using std::endl;
+#include "support/filetools.h" // LibFileSearch
+#include "support/lstrings.h"
+#include "support/LAssert.h"
+
+#include <cmath>
+#include <cctype>
-FL_OBJECT * figinset_canvas;
+// 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 *);
-// needed to make the c++ compiler find the correct version of abs.
-// This is at least true for g++.
+using std::endl;
using std::abs;
+using std::hex;
+
+namespace {
-static inline
+inline
void waitForX()
{
XSync(fl_get_display(), 0);
}
+} // anon namespace
+
+
extern "C" {
-// Just a bunch of C wrappers around static members of WorkArea
+ // 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)
- {
+ 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(BufferView * o, int xpos, int ypos, int width, int height)
- : owner_(o), workareapixmap(0), painter_(*this)
+WorkArea::WorkArea(int xpos, int ypos, int width, int height)
+ : splash_(0), splash_text_(0), workareapixmap(0), painter_(*this)
{
fl_freeze_all_forms();
- figinset_canvas = 0;
-
- if (lyxerr.debugging(Debug::GUI))
+ if (lyxerr.debugging(Debug::WORKAREA))
lyxerr << "Creating work area: +"
<< xpos << '+' << ypos << ' '
<< width << 'x' << height << endl;
//
FL_OBJECT * obj;
- const int bw = int(std::abs(float(fl_get_border_width())));
+ int const bw = int(abs(fl_get_border_width()));
- // We really want to get rid of figinset_canvas.
- ::figinset_canvas = figinset_canvas = obj =
- fl_add_canvas(FL_NORMAL_CANVAS,
- xpos + 1, ypos + 1, 1, 1, "");
- fl_set_object_boxtype(obj, FL_NO_BOX);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, NorthWestGravity, NorthWestGravity);
-
// a box
- if (lyxerr.debugging(Debug::GUI))
+ if (lyxerr.debugging(Debug::WORKAREA))
lyxerr << "\tbackground box: +"
<< xpos << '+' << ypos << ' '
<< width - 15 << 'x' << height << endl;
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
//
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
// We add this object as late as possible to avoit problems
// with drawing.
- if (lyxerr.debugging(Debug::GUI))
+ 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_INPUT_FREE,
+
+ 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_TAB;
obj->wantkey = FL_KEY_ALL;
obj->u_vdata = this; /* This is how we pass the WorkArea
- to the work_area_handler. */
+ 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_display, workareapixmap);
+ XFreePixmap(fl_get_display(), workareapixmap);
}
if (x > ulx && y > uly && x < ulx + h && y < uly + w)
return true;
return false;
-
-
- //lyxerr << "Mouse: (" << x << ", " << y <<") button = " << button << endl;
- //lyxerr << "Workarea: (" << work_area->x + work_area->form->x << ", " << work_area->y + work_area->form->y << ", " << work_area->w << ", " << work_area->h << ")" << endl;
- //lyxerr << "Below mouse: " << work_area->belowmouse << endl;
- //return work_area->belowmouse;
}
void WorkArea::resize(int xpos, int ypos, int width, int height)
{
fl_freeze_all_forms();
-
- const int bw = int(std::abs(float(fl_get_border_width())));
+
+ int const bw = int(abs(fl_get_border_width()));
// a box
fl_set_object_geometry(backgroundbox, xpos, ypos, width - 15, height);
-
+
//
// THE SCROLLBAR
//
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_display, workareapixmap);
+ XFreePixmap(fl_get_display(), workareapixmap);
- if (lyxerr.debugging(Debug::GUI))
+ if (lyxerr.debugging(Debug::WORKAREA))
lyxerr << "Creating pixmap ("
<< width << 'x' << height << ")" << endl;
-
- workareapixmap = XCreatePixmap(fl_display,
- RootWindow(fl_display, 0),
+
+ workareapixmap = XCreatePixmap(fl_get_display(),
+ RootWindow(fl_get_display(), 0),
width,
- height,
+ height,
fl_get_visual_depth());
- if (lyxerr.debugging(Debug::GUI))
+ if (lyxerr.debugging(Debug::WORKAREA))
lyxerr << "\tpixmap=" << workareapixmap << endl;
}
void WorkArea::greyOut() const
{
- fl_winset(FL_ObjWin(work_area));
- fl_rectangle(1, work_area->x, work_area->y,
- work_area->w, work_area->h, FL_GRAY63);
+ 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);
+ }
}
// 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->owner_->scrollCB(fl_get_scrollbar_value(ob));
+ area->scrollCB(fl_get_scrollbar_value(ob));
waitForX();
}
-bool Lgb_bug_find_hack = false;
int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
FL_Coord, FL_Coord ,
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){
+
+ switch (event) {
case FL_DRAW:
if (!area->work_area ||
!area->work_area->form->visible)
return 1;
- lyxerr[Debug::GUI] << "Workarea event: DRAW" << endl;
+ lyxerr[Debug::WORKAREA] << "Workarea event: DRAW" << endl;
area->createPixmap(area->workWidth(), area->height());
- Lgb_bug_find_hack = true;
area->workAreaExpose();
- Lgb_bug_find_hack = false;
break;
case FL_PUSH:
- if (!ev) break;
+ if (!ev || ev->xbutton.button == 0) break;
// Should really have used xbutton.state
- lyxerr[Debug::GUI] << "Workarea event: PUSH" << endl;
+ 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;
+ break;
case FL_RELEASE:
- if (!ev) break;
+ if (!ev || ev->xbutton.button == 0) break;
// Should really have used xbutton.state
- lyxerr[Debug::GUI] << "Workarea event: RELEASE" << endl;
+ 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::GUI] << "Workarea event: MOUSE" << endl;
+ 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::KEY] << "Workarea event: KEYBOARD";
-
+ lyxerr[Debug::WORKAREA] << "Workarea event: KEYBOARD" << endl;
+
KeySym keysym = 0;
char dummy[1];
XKeyEvent * xke = reinterpret_cast<XKeyEvent *>(ev);
-#if FL_REVISION < 89
- // XForms < 0.89 does not have compose support
+#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
if (lyxerr.debugging(Debug::KEY)) {
char const * tmp = XKeysymToString(key);
char const * tmp2 = XKeysymToString(keysym);
- string stm = (tmp ? tmp : "");
- string stm2 = (tmp2 ? tmp2 : "");
-
- lyxerr << "WorkArea: Key is `" << stm << "' ["
+ string const stm = (tmp ? tmp : "");
+ string const stm2 = (tmp2 ? tmp2 : "");
+
+ lyxerr[Debug::KEY] << "WorkArea: Key is `" << stm << "' ["
<< key << "]" << endl;
- lyxerr << "WorkArea: Keysym is `" << stm2 << "' ["
+ lyxerr[Debug::KEY] << "WorkArea: Keysym is `" << stm2 << "' ["
<< keysym << "]" << endl;
}
-#if FL_REVISION < 89
+#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
if (keysym == NoSymbol) {
lyxerr[Debug::KEY]
<< "Empty kdb action (probably composing)"
}
KeySym ret_key = keysym;
#else
- if (!key) break;
- KeySym ret_key = (keysym ? keysym : key);
-#endif
- unsigned int ret_state = xke->state;
-
- static Time last_time_pressed = 0;
- static unsigned int last_key_pressed = 0;
- static unsigned int last_state_pressed = 0;
- //lyxerr << "Workarea Diff: " << xke->time - last_time_pressed
- // << endl;
- if (xke->time - last_time_pressed < 40 // should perhaps be tunable
- && xke->state == last_state_pressed
+ // 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;
}
last_time_pressed = xke->time;
last_key_pressed = xke->keycode;
- last_state_pressed = xke->state;
-
+ 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::GUI] << "Workarea event: FOCUS" << endl;
+ lyxerr[Debug::WORKAREA] << "Workarea event: FOCUS" << endl;
area->workAreaFocus();
break;
case FL_UNFOCUS:
- lyxerr[Debug::GUI] << "Workarea event: UNFOCUS" << endl;
+ lyxerr[Debug::WORKAREA] << "Workarea event: UNFOCUS" << endl;
area->workAreaUnfocus();
break;
case FL_ENTER:
- lyxerr[Debug::GUI] << "Workarea event: ENTER" << endl;
+ lyxerr[Debug::WORKAREA] << "Workarea event: ENTER" << endl;
area->workAreaEnter();
break;
case FL_LEAVE:
- lyxerr[Debug::GUI] << "Workarea event: LEAVE" << endl;
+ lyxerr[Debug::WORKAREA] << "Workarea event: LEAVE" << endl;
area->workAreaLeave();
break;
case FL_DBLCLICK:
if (!ev) break;
- lyxerr[Debug::GUI] << "Workarea event: DBLCLICK" << endl;
+ 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::GUI] << "Workarea event: TRPLCLICK" << endl;
+ 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::GUI] << "Workarea event: OTHER" << endl;
-
+ lyxerr[Debug::WORKAREA] << "Workarea event: OTHER" << endl;
break;
}
-
+
return 1;
}
-static string clipboard_selection;
-static bool clipboard_read = false;
+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)
+ 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)
{
- 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;
+ int ret = 0;
+ switch (xev->type) {
+ case SelectionRequest:
+ lyxerr[Debug::GUI] << "X requested selection." << endl;
+ selectionRequested.emit();
+// ret = 1;
+ break;
+ case SelectionClear:
+ lyxerr[Debug::GUI] << "Lost selection." << endl;
+ selectionLost.emit();
+// ret = 1;
+ 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 WorkArea::getClipboard() const
+
+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) {
- lyxerr << "LyX: This shouldn't happen..." << endl;
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.c_str(), hold.size(), 0);
+
+ fl_stuff_clipboard(work_area, 0, hold.data(), hold.size(), 0);
}
projects / lyx.git / blobdiff