virtualizes fl_set_spot and fl_reset_spot

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11640 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

8 files changed, 127 insertions, 29 deletions

diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver.H b/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
index 4d4a50bd1..bbda02bc2 100644
--- a/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
@@ -127,8 +127,11 @@ protected:
   void color(Fl_Color c);
   Fl_Color color() { return color_; }
   void color(uchar r, uchar g, uchar b);
+  void set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win);
+  void reset_spot();
 };
 
+
 /**
  The graphics driver used when printing on MSWindows.
  *
@@ -142,6 +145,7 @@ public:
   int draw_scaled(Fl_Image *img, int XP, int YP, int WP, int HP);
 };
 
+
 class Fl_Translated_GDI_Graphics_Driver : public Fl_GDI_Graphics_Driver {
   unsigned depth;
   POINT origins[10];
@@ -151,6 +155,7 @@ public:
   virtual void untranslate_all(void);
 };
 
+
 #endif // FL_GDI_GRAPHICS_DRIVER_H
 
 //
diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx b/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx
index 7da208573..817c7e154 100644
--- a/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx
@@ -179,6 +179,34 @@ void Fl_Graphics_Driver::XDestroyRegion(Fl_Region r) {
 }
 
 
+void Fl_Graphics_Driver::reset_spot()
+{
+}
+
+void Fl_Graphics_Driver::set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win)
+{
+  if (!win) return;
+  Fl_Window* tw = win;
+  while (tw->parent()) tw = tw->window(); // find top level window
+
+  if (!tw->shown())
+    return;
+
+  HIMC himc = flImmGetContext(fl_xid(tw));
+
+  if (himc) {
+    COMPOSITIONFORM cfs;
+    cfs.dwStyle = CFS_POINT;
+    cfs.ptCurrentPos.x = X;
+    cfs.ptCurrentPos.y = Y - tw->labelsize();
+    MapWindowPoints(fl_xid(win), fl_xid(tw), &cfs.ptCurrentPos, 1);
+    flImmSetCompositionWindow(himc, &cfs);
+    flImmReleaseContext(fl_xid(tw), himc);
+  }
+}
+
+
+
 //
 // End of "$Id$".
 //
diff --git a/src/drivers/Pico/Fl_Pico_Window_Driver.cxx b/src/drivers/Pico/Fl_Pico_Window_Driver.cxx
index da8be8097..cdd5eed27 100644
--- a/src/drivers/Pico/Fl_Pico_Window_Driver.cxx
+++ b/src/drivers/Pico/Fl_Pico_Window_Driver.cxx
@@ -36,8 +36,6 @@ Fl_Pico_Window_Driver::~Fl_Pico_Window_Driver()
 }
 
 
-// --- window data
-
 int Fl_Pico_Window_Driver::decorated_w()
 {
   return w();
diff --git a/src/drivers/PicoSDL/Fl_PicoSDL_Screen_Driver.cxx b/src/drivers/PicoSDL/Fl_PicoSDL_Screen_Driver.cxx
index 30377c0a9..c1a96e2cc 100644
--- a/src/drivers/PicoSDL/Fl_PicoSDL_Screen_Driver.cxx
+++ b/src/drivers/PicoSDL/Fl_PicoSDL_Screen_Driver.cxx
@@ -38,6 +38,7 @@ Fl_PicoSDL_Screen_Driver::Fl_PicoSDL_Screen_Driver()
 {
 }
 
+
 Fl_PicoSDL_Screen_Driver::~Fl_PicoSDL_Screen_Driver()
 {
 }
@@ -118,12 +119,22 @@ double Fl_PicoSDL_Screen_Driver::wait(double time_to_wait)
         break;
       case SDL_MOUSEWHEEL:
         break;
+      case SDL_KEYDOWN: // full keyboard support is a lot more complex
+      case SDL_KEYUP:
+        if (e.type==SDL_KEYDOWN) Fl::e_number = FL_KEYDOWN; else Fl::e_number = FL_KEYUP;
+        if (!window) break;
+        if (e.key.keysym.sym==SDLK_ESCAPE) {
+          Fl::e_keysym = FL_Escape;
+          Fl::handle(Fl::e_number, window);
+        }
+        break;
     }
   }
   return 0.0;
 }
 
 
+// FIXME: remove the stuff below
 
 #include <FL/x.H>
 #include <FL/Fl.H>
@@ -147,8 +158,6 @@ double Fl_PicoSDL_Screen_Driver::wait(double time_to_wait)
 
 #if !defined(FL_DOXYGEN) // FIXME silence Doxygen warnings
 
-void fl_set_spot(int, int, int, int, int, int, Fl_Window*) { }
-void fl_reset_spot() { }
 //const char *fl_filename_name(char const*) { return 0; }
 void fl_clipboard_notify_change() { }
 
diff --git a/src/drivers/PicoSDL/Fl_PicoSDL_System_Driver.cxx b/src/drivers/PicoSDL/Fl_PicoSDL_System_Driver.cxx
index 7b3b9e4fb..6122ff5f1 100644
--- a/src/drivers/PicoSDL/Fl_PicoSDL_System_Driver.cxx
+++ b/src/drivers/PicoSDL/Fl_PicoSDL_System_Driver.cxx
@@ -29,7 +29,6 @@
 Fl_System_Driver *Fl_System_Driver::newSystemDriver()
 {
   return new Fl_System_Driver();
-//  return new Fl_PicoSDL_System_Driver();
 }
 
 
diff --git a/src/drivers/PicoSDL/Fl_PicoSDL_Window_Driver.cxx b/src/drivers/PicoSDL/Fl_PicoSDL_Window_Driver.cxx
index 531e697d8..1c56b42b5 100644
--- a/src/drivers/PicoSDL/Fl_PicoSDL_Window_Driver.cxx
+++ b/src/drivers/PicoSDL/Fl_PicoSDL_Window_Driver.cxx
@@ -24,7 +24,7 @@
 #include <FL/Fl.H>
 #include <FL/Fl_WIndow.H>
 
-void Fl_Window_Driver::default_icons(Fl_RGB_Image const**, int) { }
+
 
 const char *fl_local_alt = "alt";
 const char *fl_local_ctrl = "ctrl";
@@ -38,6 +38,10 @@ Fl_Window_Driver *Fl_Window_Driver::newWindowDriver(Fl_Window *win)
 }
 
 
+void Fl_Window_Driver::default_icons(Fl_RGB_Image const**, int) {
+}
+
+
 Fl_PicoSDL_Window_Driver::Fl_PicoSDL_Window_Driver(Fl_Window *win)
 : Fl_Pico_Window_Driver(win)
 {
@@ -88,32 +92,9 @@ Fl_X *Fl_PicoSDL_Window_Driver::makeWindow()
 }
 
 
-#if 0
-void Fl_PicoSDL_Window_Driver::flush_single()
-{
-  if (!shown()) return;
-  pWindow->make_current();
-  Fl_X *i = Fl_X::i(pWindow);
-  if (!i) return;
-  fl_clip_region(i->region);
-  i->region = 0;
-  //  SDL_RenderClear((SDL_Renderer*)i->xid);
-  pWindow->draw();
-  SDL_RenderPresent((SDL_Renderer*)i->xid);
-}
-#endif
-
-
 void Fl_PicoSDL_Window_Driver::draw_end()
 {
-//  if (!shown()) return;
-//  pWindow->make_current();
   Fl_X *i = Fl_X::i(pWindow);
-//  if (!i) return;
-//  fl_clip_region(i->region);
-//  i->region = 0;
-//  //  SDL_RenderClear((SDL_Renderer*)i->xid);
-//  pWindow->draw();
   SDL_RenderPresent((SDL_Renderer*)i->xid);
 }
 
@@ -123,6 +104,7 @@ void Fl_PicoSDL_Window_Driver::make_current()
   fl_window = pWindow->i->xid;
 }
 
+
 void Fl_PicoSDL_Window_Driver::show() {
   if (!shown()) {
     makeWindow();
diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
index 808900677..ff037c3e1 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
@@ -129,6 +129,8 @@ protected:
   void color(uchar r, uchar g, uchar b);
   virtual float scale_font_for_PostScript(Fl_Font_Descriptor *desc, int s);
   virtual float scale_bitmap_for_PostScript();
+  virtual void set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win);
+  virtual void reset_spot();
 };
 
 
diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
index 44d0ad1a5..717718cb4 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
@@ -118,6 +118,81 @@ void Fl_Xlib_Graphics_Driver::fixloop() {  // remove equal points from closed pa
   while (n>2 && p[n-1].x == p[0].x && p[n-1].y == p[0].y) n--;
 }
 
+// FIXME: should be members of Fl_Xlib_Graphics_Driver
+static XRectangle    spot;
+static int spotf = -1;
+static int spots = -1;
+
+void Fl_Xlib_Graphics_Driver::reset_spot(void)
+{
+  spot.x = -1;
+  spot.y = -1;
+  //if (fl_xim_ic) XUnsetICFocus(fl_xim_ic);
+}
+
+void Fl_Xlib_Graphics_Driver::set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win)
+{
+  int change = 0;
+  XVaNestedList preedit_attr;
+  static XFontSet fs = NULL;
+  char **missing_list;
+  int missing_count;
+  char *def_string;
+  char *fnt = NULL;
+  bool must_free_fnt =true;
+
+  static XIC ic = NULL;
+
+  if (!fl_xim_ic || !fl_is_over_the_spot) return;
+  //XSetICFocus(fl_xim_ic);
+  if (X != spot.x || Y != spot.y) {
+    spot.x = X;
+    spot.y = Y;
+    spot.height = H;
+    spot.width = W;
+    change = 1;
+  }
+  if (font != spotf || size != spots) {
+    spotf = font;
+    spots = size;
+    change = 1;
+    if (fs) {
+      XFreeFontSet(fl_display, fs);
+    }
+#if USE_XFT
+
+#if defined(__GNUC__)
+    // FIXME: warning XFT support here
+#endif /*__GNUC__*/
+
+    fnt = NULL; // fl_get_font_xfld(font, size);
+    if (!fnt) {fnt = (char*)"-misc-fixed-*";must_free_fnt=false;}
+    fs = XCreateFontSet(fl_display, fnt, &missing_list,
+                        &missing_count, &def_string);
+#else
+    fnt = fl_get_font_xfld(font, size);
+    if (!fnt) {fnt = (char*)"-misc-fixed-*";must_free_fnt=false;}
+    fs = XCreateFontSet(fl_display, fnt, &missing_list,
+                        &missing_count, &def_string);
+#endif
+  }
+  if (fl_xim_ic != ic) {
+    ic = fl_xim_ic;
+    change = 1;
+  }
+
+  if (fnt && must_free_fnt) free(fnt);
+  if (!change) return;
+
+
+  preedit_attr = XVaCreateNestedList(0,
+                                     XNSpotLocation, &spot,
+                                     XNFontSet, fs, NULL);
+  XSetICValues(fl_xim_ic, XNPreeditAttributes, preedit_attr, NULL);
+  XFree(preedit_attr);
+}
+
+
 //
 // End of "$Id$".
 //