]> git.lyx.org Git - lyx.git/blobdiff - src/WorkArea.C
fix typo that put too many include paths for most people
[lyx.git] / src / WorkArea.C
index 33be3fd150aa0d667c1025a6721a849cab62aa18..232e2e1651cf2f64688d471dcb43fdf8fb990d55 100644 (file)
@@ -1,37 +1,43 @@
 /* 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>
-#include <cctype>
+
 #ifdef __GNUG__
 #pragma implementation
 #endif
 
 #include "WorkArea.h"
 #include "debug.h"
-#include "support/lstrings.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::abs;
+using std::endl;
+using std::abs;
+using std::hex;
 
 namespace {
 
@@ -45,47 +51,46 @@ void waitForX()
 
 
 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(int xpos, int ypos, int width, int height)
-       : workareapixmap(0), painter_(*this)
+       : 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;
-       int const 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;
@@ -96,6 +101,37 @@ WorkArea::WorkArea(int xpos, int ypos, int width, int 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
        //
@@ -108,6 +144,7 @@ WorkArea::WorkArea(int xpos, int ypos, int width, int height)
        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
@@ -117,12 +154,12 @@ WorkArea::WorkArea(int xpos, int ypos, int width, int height)
 
        // 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_ALL_FREE,
                                      xpos + bw, ypos + bw,
                                      width - 15 - 2 * bw, // scrollbarwidth
@@ -135,6 +172,10 @@ WorkArea::WorkArea(int xpos, int ypos, int width, int height)
        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();
 }
 
@@ -158,24 +199,18 @@ bool WorkArea::belowMouse() const
        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();
-       
-       int const 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
        //
@@ -191,43 +226,69 @@ void WorkArea::resize(int xpos, int ypos, int width, int height)
                               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::GUI))
+       if (lyxerr.debugging(Debug::WORKAREA))
                lyxerr << "Creating pixmap ("
                       << width << 'x' << height << ")" << endl;
-       
+
        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);
+       }
 }
 
 
@@ -268,8 +329,6 @@ void WorkArea::scroll_cb(FL_OBJECT * ob, long)
 }
 
 
-bool Lgb_bug_find_hack = false;
-
 int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                                FL_Coord, FL_Coord ,
                                int key, void * xev)
@@ -277,36 +336,34 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
        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 || 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 || 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);
@@ -321,7 +378,7 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                    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);
@@ -333,8 +390,8 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
        case FL_KEYPRESS:
 #endif
        {
-               lyxerr[Debug::KEY] << "Workarea event: KEYBOARD" << endl;
-               
+               lyxerr[Debug::WORKAREA] << "Workarea event: KEYBOARD" << endl;
+
                KeySym keysym = 0;
                char dummy[1];
                XKeyEvent * xke = reinterpret_cast<XKeyEvent *>(ev);
@@ -350,14 +407,14 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                        char const * tmp2 = XKeysymToString(keysym);
                        string const stm = (tmp ? tmp : "");
                        string const stm2 = (tmp2 ? tmp2 : "");
-                       
-                       lyxerr << "WorkArea: Key is `" << stm << "' ["
+
+                       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)"
@@ -396,16 +453,16 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                                                   << endl;
                                //}
                }
-               
-#endif 
+
+#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 = 0;
-               static unsigned int last_key_pressed = 0;
-               static unsigned int last_state_pressed = 0;
+               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;
@@ -429,54 +486,53 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                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;
+               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;
 }
 
@@ -486,45 +542,83 @@ 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;
+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
 
-string const WorkArea::getClipboard() const 
+
+int WorkArea::event_cb(XEvent * xev)
+{
+       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 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);
 }