]> git.lyx.org Git - lyx.git/blobdiff - src/WorkArea.C
Fix working of the spellchecker dialog with ispell when there are no
[lyx.git] / src / WorkArea.C
index 9cd39516a69d512afa27ee9652e110189ab27832..61dc11e4a8b0eae3c5a834ef74ffa9b86efbaa0d 100644 (file)
@@ -4,7 +4,7 @@
  *           LyX, The Document Processor
  *        
  *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2000 The LyX Team.
+ *           Copyright 1995-2001 The LyX Team.
  *
  * ====================================================== */
 
 #include "WorkArea.h"
 #include "debug.h"
 #include "support/lstrings.h"
-#include "BufferView.h"
 #include "LyXView.h"
-#include "lyxfunc.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
+#if FL_REVISION < 89 || (FL_REVISION == 89 && FL_FIXLEVEL < 5)
 #include "lyxlookup.h"
 #endif
 
@@ -34,33 +36,64 @@ FL_OBJECT * figinset_canvas;
 // This is at least true for g++.
 //using std::abs;
 
-static inline
+namespace {
+
+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;
+               }
 
-WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
-       : owner_(o), workareapixmap(0), painter_(*this)
+               lyx::Assert(ob && ob->u_vdata);
+                WorkArea * pre = static_cast<WorkArea *>(ob->u_vdata);
+
+               if (counter == 3) {
+                       pre->destroySplash();
+               }
+
+               return 0;
+        }
+}
+
+
+WorkArea::WorkArea(int xpos, int ypos, int width, int height)
+       : splash_(0), splash_text_(0), workareapixmap(0), painter_(*this)
 {
        fl_freeze_all_forms();
 
@@ -81,7 +114,7 @@ WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
        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))
                lyxerr << "\tbackground box: +"
@@ -94,6 +127,43 @@ WorkArea::WorkArea(BufferView * o, 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, "");
+               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
        //
@@ -173,7 +243,7 @@ void WorkArea::resize(int xpos, int ypos, int width, int height)
 
        // a box
        fl_set_object_geometry(backgroundbox, xpos, ypos, width - 15, height);
-       
+
        //
        // THE SCROLLBAR
        //
@@ -188,8 +258,9 @@ void WorkArea::resize(int xpos, int ypos, int width, int height)
                               width - 15 - 2 * bw,
                               height - 2 * bw);
 
-       fl_unfreeze_all_forms();
+       destroySplash();
 
+       fl_unfreeze_all_forms();
 }
 
 
@@ -221,14 +292,53 @@ void WorkArea::createPixmap(int width, int height)
 }
 
 
+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);
@@ -261,7 +371,7 @@ void WorkArea::scroll_cb(FL_OBJECT * ob, long)
        // 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();
 }
 
@@ -293,7 +403,7 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                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;
                area->workAreaButtonPress(ev->xbutton.x - ob->x,
@@ -302,7 +412,7 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                //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::GUI] << "Workarea event: RELEASE" << endl;
                area->workAreaButtonRelease(ev->xbutton.x - ob->x,
@@ -336,8 +446,8 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                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
@@ -346,8 +456,8 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                if (lyxerr.debugging(Debug::KEY)) {
                        char const * tmp = XKeysymToString(key);
                        char const * tmp2 = XKeysymToString(keysym);
-                       string stm = (tmp ? tmp : "");
-                       string stm2 = (tmp2 ? tmp2 : "");
+                       string const stm = (tmp ? tmp : "");
+                       string const stm2 = (tmp2 ? tmp2 : "");
                        
                        lyxerr << "WorkArea: Key is `" << stm << "' ["
                               << key << "]" << endl;
@@ -355,7 +465,7 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                               << 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)"
@@ -372,34 +482,43 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                if (!key) {
                        // We migth have to add more keysyms here also,
                        // we will do that as the issues arise. (Lgb)
-                       if (keysym == XK_space)
+                       if (keysym == XK_space) {
                                ret_key = keysym;
-                       else
+                               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 (static_cast<unsigned char>(key) == key
-                               && !iscntrl(key))
-                               ret_key = key;
-                       else
+                       //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 ret_state = xke->state;
+#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;
-               if (xke->time - last_time_pressed < 35 // should perhaps be tunable
-                   && xke->state == last_state_pressed
+               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;
@@ -417,7 +536,7 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                }
                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);
        }
@@ -470,25 +589,31 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
 }
 
 
-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)
-               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 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"
 
+} // namespace anon
 
 string const WorkArea::getClipboard() const 
 {
@@ -514,5 +639,5 @@ 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);
 }