* 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 "up.xpm"
-#include "down.xpm"
#include "debug.h"
#include "support/lstrings.h"
-#include "BufferView.h"
+#include "LyXView.h"
+
+#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
+#include "lyxlookup.h"
+#endif
+
+using std::endl;
FL_OBJECT * figinset_canvas;
-static inline
+// needed to make the c++ compiler find the correct version of abs.
+// This is at least true for g++.
+//using std::abs;
+
+namespace {
+
+inline
void waitForX()
{
XSync(fl_get_display(), 0);
}
-extern "C" {
-// Just a bunch of C wrappers around static members of WorkArea
- void C_WorkArea_up_cb(FL_OBJECT * ob, long buf)
- {
- WorkArea::up_cb(ob, buf);
- }
+} // anon namespace
- void C_WorkArea_down_cb(FL_OBJECT * ob, long buf)
- {
- WorkArea::down_cb(ob, buf);
- }
+extern "C" {
+// Just a bunch of C wrappers around static members of WorkArea
void C_WorkArea_scroll_cb(FL_OBJECT * ob, long buf)
{
WorkArea::scroll_cb(ob, buf);
}
-
-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)
+ : workareapixmap(0), painter_(*this)
{
fl_freeze_all_forms();
figinset_canvas = 0;
-
- lyxerr << "Creating work area: +"
- << xpos << '+' << ypos << ' '
- << width << 'x' << height << endl;
+
+ if (lyxerr.debugging(Debug::GUI))
+ lyxerr << "Creating work area: +"
+ << xpos << '+' << ypos << ' '
+ << width << 'x' << height << endl;
//
FL_OBJECT * obj;
- const int bw = int(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_gravity(obj, NorthWestGravity, NorthWestGravity);
// a box
- lyxerr << "\tbackground box: +"
- << xpos << '+' << ypos << ' '
- << width - 15 << 'x' << height << endl;
+ if (lyxerr.debugging(Debug::GUI))
+ lyxerr << "\tbackground box: +"
+ << xpos << '+' << ypos << ' '
+ << width - 15 << 'x' << height << endl;
backgroundbox = obj = fl_add_box(FL_BORDER_BOX,
xpos, ypos,
width - 15,
// THE SCROLLBAR
//
- // up - scrollbar button
- fl_set_border_width(-1);
-
- lyxerr << "\tup button: +"
- << xpos + width - 15 << '+' << ypos << ' '
- << 15 << 'x' << 15 << endl;
- button_up = obj = fl_add_pixmapbutton(FL_TOUCH_BUTTON,
- xpos + width - 15,
- ypos,
- 15, 15, "");
- fl_set_object_boxtype(obj,FL_UP_BOX);
- fl_set_object_color(obj,FL_MCOL,FL_BLUE);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj,NorthEastGravity, NorthEastGravity);
- obj->u_vdata = this;
- fl_set_object_callback(obj,C_WorkArea_up_cb, 0);
- fl_set_pixmapbutton_data(obj, const_cast<char**>(up_xpm));
-
- // Remove the blue feedback rectangle
- fl_set_pixmapbutton_focus_outline(obj,0);
-
- // the scrollbar slider
- fl_set_border_width(-bw);
- lyxerr << "\tscrollbar slider: +"
- << xpos + width - 15 << '+' << ypos + 15 << ' '
- << 15 << 'x' << height - 30 << endl;
- scrollbar = obj = fl_add_slider(FL_VERT_SLIDER,
- xpos + width - 15,
- ypos + 15,
- 15, height - 30, "");
- fl_set_object_color(obj,FL_COL1,FL_MCOL);
+ 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);
- fl_set_slider_precision(obj, 0);
-
- // down - scrollbar button
- fl_set_border_width(-1);
-
- lyxerr << "\tdown button: +"
- << xpos + width - 15 << '+' << ypos + height - 15 << ' '
- << 15 << 'x' << 15 << endl;
- button_down = obj = fl_add_pixmapbutton(FL_TOUCH_BUTTON,
- xpos + width - 15,
- ypos + height - 15,
- 15, 15, "");
- fl_set_object_boxtype(obj,FL_UP_BOX);
- fl_set_object_color(obj,FL_MCOL,FL_BLUE);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, SouthEastGravity, SouthEastGravity);
- obj->u_vdata = this;
- fl_set_object_callback(obj, C_WorkArea_down_cb, 0);
- fl_set_pixmapbutton_data(obj, const_cast<char**>(down_xpm));
-
- fl_set_border_width(-bw);
-
- // Remove the blue feedback rectangle
- fl_set_pixmapbutton_focus_outline(obj,0);
///
/// The free object
// Create the workarea pixmap
createPixmap(width - 15 - 2 * bw, height - 2 * bw);
- // setup the painter
- painter_.setDisplay(fl_display);
-
// We add this object as late as possible to avoit problems
// with drawing.
- 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,
+ 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_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);
+}
+
+
+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;
+
+
+ //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;
}
{
fl_freeze_all_forms();
- const int bw = int(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
//
-
- // up - scrollbar button
- fl_set_object_geometry(button_up, xpos + width - 15,
- ypos,
- 15, 15);
- // the scrollbar slider
fl_set_object_geometry(scrollbar, xpos + width - 15,
- ypos + 15,
- 15, height - 30);
- // down - scrollbar button
- fl_set_object_geometry(button_down, xpos + width - 15,
- ypos + height - 15,
- 15, 15);
+ ypos, 17, height);
// Create the workarea pixmap
createPixmap(width - 15 - 2 * bw, height - 2 * bw);
cur_height = height;
if (workareapixmap)
- XFreePixmap(fl_display, workareapixmap);
-
- lyxerr << "Creating pixmap (" << width << 'x' << height << ")" << endl;
+ XFreePixmap(fl_get_display(), workareapixmap);
+
+ 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());
- lyxerr << "\tpixmap=" << workareapixmap << endl;
+ if (lyxerr.debugging(Debug::GUI))
+ lyxerr << "\tpixmap=" << workareapixmap << endl;
}
void WorkArea::setScrollbar(double pos, double length_fraction) const
{
- fl_set_slider_value(scrollbar, pos);
- fl_set_slider_size(scrollbar, scrollbar->h * length_fraction);
+ 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_slider_bounds(scrollbar, l1, l2);
-}
-
-
-void WorkArea::setScrollbarIncrements(float inc) const
-{
- fl_set_slider_increment(scrollbar, work_area->h - inc, inc);
+ fl_set_scrollbar_bounds(scrollbar, l1, l2);
}
-void WorkArea::up_cb(FL_OBJECT * ob, long)
+void WorkArea::setScrollbarIncrements(double inc) const
{
- WorkArea * area = static_cast<WorkArea*>(ob->u_vdata);
- XEvent const * ev2 = fl_last_event();
- static long time = 0;
- ev2 = fl_last_event();
- if (ev2->type == ButtonPress || ev2->type == ButtonRelease)
- time = 0;
- //area->up(time++, fl_get_button_numb(ob));
- area->owner->upCB(time++, fl_get_button_numb(ob));
-}
-
-
-void WorkArea::down_cb(FL_OBJECT * ob, long)
-{
- WorkArea * area = static_cast<WorkArea*>(ob->u_vdata);
- XEvent const * ev2 = fl_last_event();
- static long time = 0;
- if (ev2->type == ButtonPress || ev2->type == ButtonRelease)
- time = 0;
- //area->down(time++, fl_get_button_numb(ob));
- area->owner->downCB(time++, fl_get_button_numb(ob));
+ fl_set_scrollbar_increment(scrollbar, work_area->h - inc, inc);
}
void WorkArea::scroll_cb(FL_OBJECT * ob, long)
{
WorkArea * area = static_cast<WorkArea*>(ob->u_vdata);
-
- //area->scroll(fl_get_slider_value(ob));
- area->owner->scrollCB(fl_get_slider_value(ob));
+ // 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();
}
+
bool Lgb_bug_find_hack = false;
int 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)
{
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_slider_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);
+ fl_get_scrollbar_value(area->scrollbar) != scrollbar_value_old
+ ) {
+ lyxerr[Debug::GUI] << "Workarea event: MOUSE" << endl;
+ area->workAreaMotionNotify(ev->xmotion.x - ob->x,
+ ev->xmotion.y - ob->y,
+ ev->xbutton.state);
}
break;
- // Done by the raw callback:
- // case FL_KEYBOARD: WorkAreaKeyPress(ob, 0,0,0,ev,0); 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;
+#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;
+ lyxerr[Debug::GUI] << "Workarea event: ENTER" << endl;
+ area->workAreaEnter();
break;
case FL_LEAVE:
- lyxerr.debug() << "Workarea event: LEAVE" << endl;
+ 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->trippleClick(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;
- if (ev->type == SelectionNotify) {
- lyxerr.debug() << "Workarea event: SELECTION" << endl;
- area->owner->workAreaSelectionNotify(area->work_area->form->window, ev);
- } else
- lyxerr.debug() << "Workarea event: OTHER" << endl;
+ lyxerr[Debug::GUI] << "Workarea event: OTHER" << endl;
break;
}
return 1;
}
+
+
+namespace {
+
+string clipboard_selection;
+bool clipboard_read = false;
+
+extern "C"
+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
+
+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);
+ }
+ }
+ 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);
+}