* 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>
-
+#include <cctype>
#ifdef __GNUG__
#pragma implementation
#endif
#include "WorkArea.h"
#include "debug.h"
#include "support/lstrings.h"
-#include "BufferView.h"
+#include "LyXView.h"
+#include "support/filetools.h" // LibFileSearch
+#include "lyxrc.h" // lyxrc.show_banner
+#include "version.h" // LYX_VERSION
+#include "support/LAssert.h"
+
+#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
+#include "lyxlookup.h"
+#endif
using std::endl;
FL_OBJECT * figinset_canvas;
-// need to make the c++ compiler find the correct version of abs.
+// needed to make the c++ compiler find the correct version of abs.
// This is at least true for g++.
-using std::abs;
+//using std::abs;
+
+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);
}
-}
+ // Resizing the display causes the version string to move relative to
+ // the splash pixmap because the parameters xforms uses to control
+ // resizing are not very sophisticated.
+ // I found it easier, therefore, to just remove the splash screen.
+ // (Angus, 25 September 2001)
+ static
+ int C_WorkAreaSplashPH(FL_OBJECT * ob, int event,
+ FL_Coord, FL_Coord, int, void *)
+ {
+ static int counter = 0;
+ if (event != FL_DRAW || ++counter > 3) {
+ return 0;
+ }
+
+ lyx::Assert(ob && ob->u_vdata);
+ WorkArea * pre = static_cast<WorkArea *>(ob->u_vdata);
+
+ if (counter == 3) {
+ pre->destroySplash();
+ }
+
+ return 0;
+ }
+}
+
-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())
+ if (lyxerr.debugging(Debug::GUI))
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(std::abs(float(fl_get_border_width())));
// We really want to get rid of figinset_canvas.
::figinset_canvas = figinset_canvas = obj =
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())
+ if (lyxerr.debugging(Debug::GUI))
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, "");
+ obj->u_vdata = this;
+ fl_set_object_prehandler(obj, C_WorkAreaSplashPH);
+
+ 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 + 248;
+ int const text_y = splash_y + 265;
+ splash_text_ = obj =
+ fl_add_text(FL_NORMAL_TEXT, text_x, text_y, 170, 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_CENTER|FL_ALIGN_INSIDE);
+ fl_set_object_lstyle(obj, FL_BOLD_STYLE);
+
+ fl_hide_object(splash_);
+ fl_hide_object(splash_text_);
+ }
+
//
// THE SCROLLBAR
//
// We add this object as late as possible to avoit problems
// with drawing.
- if (lyxerr.debugging())
+ if (lyxerr.debugging(Debug::GUI))
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);
WorkArea::~WorkArea()
{
if (workareapixmap)
- XFreePixmap(fl_display, workareapixmap);
+ XFreePixmap(fl_get_display(), workareapixmap);
}
{
fl_freeze_all_forms();
- const int bw = int(std::abs(float(fl_get_border_width())));
+ int const bw = int(std::abs(float(fl_get_border_width())));
// a box
fl_set_object_geometry(backgroundbox, xpos, ypos, width - 15, height);
-
+
//
// THE SCROLLBAR
//
width - 15 - 2 * bw,
height - 2 * bw);
- fl_unfreeze_all_forms();
+ destroySplash();
+ fl_unfreeze_all_forms();
}
cur_height = height;
if (workareapixmap)
- XFreePixmap(fl_display, workareapixmap);
+ XFreePixmap(fl_get_display(), workareapixmap);
- if (lyxerr.debugging())
+ if (lyxerr.debugging(Debug::GUI))
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,
fl_get_visual_depth());
- if (lyxerr.debugging())
+ if (lyxerr.debugging(Debug::GUI))
lyxerr << "\tpixmap=" << workareapixmap << endl;
}
+void WorkArea::show() const
+{
+ if (!work_area->visible) {
+ fl_show_object(work_area);
+ }
+
+ destroySplash();
+}
+
+
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 (work_area->visible) {
+ fl_hide_object(work_area);
+ }
+
+ if (splash_ && !splash_->visible) {
+ fl_show_object(splash_);
+ fl_show_object(splash_text_);
+ }
}
+void WorkArea::destroySplash() const
+{
+ if (splash_) {
+ if (splash_->visible) {
+ fl_hide_object(splash_);
+ }
+ fl_set_object_prehandler(splash_, 0);
+ // Causes a segmentation fault!
+ // fl_delete_object(splash_);
+ // fl_free_object(splash_);
+ splash_ = 0;
+ }
+
+ if (splash_text_) {
+ if (splash_text_->visible) {
+ fl_hide_object(splash_text_);
+ }
+ fl_delete_object(splash_text_);
+ fl_free_object(splash_text_);
+ splash_text_ = 0;
+ }
+}
+
+
void WorkArea::setFocus() const
{
fl_set_focus_object(work_area->form, work_area);
// 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 ,
- int /*key*/, void * xev)
+ int key, void * xev)
{
static int x_old = -1;
static int y_old = -1;
if (!area) return 1;
- switch (event){
+ switch (event){
case FL_DRAW:
if (!area->work_area ||
!area->work_area->form->visible)
return 1;
- lyxerr.debug() << "Workarea event: DRAW" << endl;
+ lyxerr[Debug::GUI] << "Workarea event: DRAW" << endl;
area->createPixmap(area->workWidth(), area->height());
Lgb_bug_find_hack = true;
- area->owner->workAreaExpose();
+ 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() << "Workarea event: PUSH" << endl;
- area->owner->workAreaButtonPress(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
+ lyxerr[Debug::GUI] << "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) break;
+ if (!ev || ev->xbutton.button == 0) break;
// Should really have used xbutton.state
- lyxerr.debug() << "Workarea event: RELEASE" << endl;
- area->owner->workAreaButtonRelease(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
+ lyxerr[Debug::GUI] << "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 event: MOUSE" << endl;
- area->owner->workAreaMotionNotify(ev->xmotion.x - ob->x,
- ev->xmotion.y - ob->y,
- ev->xbutton.state);
+ lyxerr[Debug::GUI] << "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" << 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);
+#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 << "WorkArea: Key is `" << stm << "' ["
+ << key << "]" << endl;
+ lyxerr << "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 << "Workarea event: KEYRELEASE" << endl;
break;
- // Done by the raw callback:
- // case FL_KEYBOARD: WorkAreaKeyPress(ob, 0,0,0,ev,0); break;
+#endif
+
case FL_FOCUS:
- lyxerr.debug() << "Workarea event: FOCUS" << endl;
+ lyxerr[Debug::GUI] << "Workarea event: FOCUS" << endl;
+ area->workAreaFocus();
break;
case FL_UNFOCUS:
- lyxerr.debug() << "Workarea event: UNFOCUS" << endl;
+ lyxerr[Debug::GUI] << "Workarea event: UNFOCUS" << endl;
+ area->workAreaUnfocus();
break;
case FL_ENTER:
- lyxerr.debug() << "Workarea event: ENTER" << endl;
- area->owner->enterView();
+ lyxerr[Debug::GUI] << "Workarea event: ENTER" << endl;
+ area->workAreaEnter();
break;
case FL_LEAVE:
- lyxerr.debug() << "Workarea event: LEAVE" << endl;
- area->owner->leaveView();
+ lyxerr[Debug::GUI] << "Workarea event: LEAVE" << endl;
+ area->workAreaLeave();
break;
case FL_DBLCLICK:
if (!ev) break;
- lyxerr.debug() << "Workarea event: DBLCLICK" << endl;
- area->owner->doubleClick(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
+ lyxerr[Debug::GUI] << "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 event: TRPLCLICK" << endl;
- area->owner->tripleClick(ev->xbutton.x - ob->x,
- ev->xbutton.y - ob->y,
- ev->xbutton.button);
+ lyxerr[Debug::GUI] << "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;
-#ifndef XFORMS_CLIPBOARD
- if (ev->type == SelectionNotify) {
- lyxerr.debug() << "Workarea event: SELECTION" << endl;
- area->owner->workAreaSelectionNotify(area->work_area->form->window, ev);
- } else
-#endif
- lyxerr.debug() << "Workarea event: OTHER" << endl;
+ lyxerr[Debug::GUI] << "Workarea event: OTHER" << endl;
break;
}
}
-#ifdef XFORMS_CLIPBOARD
-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)
-{
- clipboard_selection.erase();
- if (size == 0) return 0; // no selection
-
- clipboard_selection.reserve(size);
- for (int i = 0; i < size; ++i) {
- clipboard_selection += static_cast<char const *>(data)[i];
+ 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;
}
- clipboard_read = true;
- return 0;
-}
+
}
-string WorkArea::getClipboard() const
+} // namespace anon
+
+string const WorkArea::getClipboard() const
{
clipboard_read = false;
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);
}
-#endif
projects / lyx.git / blobdiff