src/gtk/minifram.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        minifram.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "minifram.h"
  12 #endif
  13
  14 #include "wx/minifram.h"
  15 #include "wx/dcscreen.h"
  16
  17 #include "gtk/gtk.h"
  18 #include "wx/gtk/win_gtk.h"
  19
  20 #include "gdk/gdk.h"
  21 #include "gdk/gdkprivate.h"
  22 #include "gdk/gdkx.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // idle system
  26 //-----------------------------------------------------------------------------
  27
  28 extern void wxapp_install_idle_handler();
  29 extern bool g_isIdle;
  30
  31 //-----------------------------------------------------------------------------
  32 // data
  33 //-----------------------------------------------------------------------------
  34
  35 extern bool   g_blockEventsOnDrag;
  36 extern bool   g_blockEventsOnScroll;
  37
  38 //-----------------------------------------------------------------------------
  39 // local functions
  40 //-----------------------------------------------------------------------------
  41
  42 /* draw XOR rectangle when moving mine frame around */
  43
  44 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  45 {
  46     int org_x = 0;
  47     int org_y = 0;
  48     gdk_window_get_origin( widget->window, &org_x, &org_y );
  49     x += org_x;
  50     y += org_y;
  51
  52     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  53     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  54     gdk_gc_set_function( gc, GDK_INVERT );
  55
  56     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  57     gdk_gc_unref( gc );
  58 }
  59
  60 //-----------------------------------------------------------------------------
  61 // "expose_event" of m_mainWidget
  62 //-----------------------------------------------------------------------------
  63
  64 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  65 {
  66     if (g_isIdle) wxapp_install_idle_handler();
  67
  68     if (!win->HasVMT()) return;
  69     if (gdk_event->count > 0) return;
  70
  71     gtk_draw_shadow( widget->style,
  72                      widget->window,
  73                      GTK_STATE_NORMAL,
  74                      GTK_SHADOW_OUT,
  75                      0, 0,
  76                      win->m_width, win->m_height );
  77
  78     if (!win->m_title.IsEmpty() &&
  79         ((win->m_windowStyle & wxCAPTION) ||
  80          (win->m_windowStyle & wxTINY_CAPTION_HORIZ) ||
  81          (win->m_windowStyle & wxTINY_CAPTION_VERT)))
  82     {
  83         GdkGC *gc = gdk_gc_new( widget->window );
  84         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
  85         int x = 2;
  86         if (win->m_windowStyle & wxSYSTEM_MENU) x = 18;
  87
  88         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  89         gdk_draw_rectangle( widget->window, gc, TRUE,
  90                             x,
  91                             3,
  92                             win->m_width - 4 - x,
  93                             font->ascent + font->descent+1 );
  94
  95         gdk_gc_set_foreground( gc, &widget->style->white );
  96         gdk_draw_string( widget->window, font, gc,
  97                          x+2,
  98                          3+font->ascent,
  99                          win->m_title.mb_str() );
 100
 101         gdk_gc_unref( gc );
 102     }
 103 }
 104
 105 //-----------------------------------------------------------------------------
 106 // "draw" of m_mainWidget
 107 //-----------------------------------------------------------------------------
 108
 109 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 110 {
 111     if (g_isIdle) wxapp_install_idle_handler();
 112
 113     if (!win->HasVMT()) return;
 114
 115     gtk_draw_shadow( widget->style,
 116                      widget->window,
 117                      GTK_STATE_NORMAL,
 118                      GTK_SHADOW_OUT,
 119                      0, 0,
 120                      win->m_width, win->m_height );
 121
 122     if (!win->m_title.IsEmpty() &&
 123         ((win->m_windowStyle & wxCAPTION) ||
 124          (win->m_windowStyle & wxTINY_CAPTION_HORIZ) ||
 125          (win->m_windowStyle & wxTINY_CAPTION_VERT)))
 126     {
 127         GdkGC *gc = gdk_gc_new( widget->window );
 128         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
 129         int x = 2;
 130         if (win->m_windowStyle & wxSYSTEM_MENU) x = 17;
 131
 132         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 133         gdk_draw_rectangle( widget->window, gc, TRUE,
 134                             x,
 135                             3,
 136                             win->m_width - 4 - x,
 137                             font->ascent + font->descent+1 );
 138
 139         gdk_gc_set_foreground( gc, &widget->style->white );
 140         gdk_draw_string( widget->window, font, gc,
 141                          x+2,
 142                          3+font->ascent,
 143                          win->m_title.mb_str() );
 144
 145         gdk_gc_unref( gc );
 146     }
 147 }
 148
 149 //-----------------------------------------------------------------------------
 150 // "button_press_event" of m_mainWidget
 151 //-----------------------------------------------------------------------------
 152
 153 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 154 {
 155     if (g_isIdle) wxapp_install_idle_handler();
 156
 157     if (!win->HasVMT()) return FALSE;
 158     if (g_blockEventsOnDrag) return TRUE;
 159     if (g_blockEventsOnScroll) return TRUE;
 160
 161     if (win->m_isDragging) return TRUE;
 162
 163     gdk_pointer_grab( widget->window, FALSE,
 164                       (GdkEventMask)
 165                          (GDK_BUTTON_PRESS_MASK |
 166                           GDK_BUTTON_RELEASE_MASK |
 167                           GDK_POINTER_MOTION_MASK       |
 168                           GDK_POINTER_MOTION_HINT_MASK  |
 169                           GDK_BUTTON_MOTION_MASK        |
 170                           GDK_BUTTON1_MOTION_MASK),
 171                       (GdkWindow *) NULL,
 172                       (GdkCursor *) NULL,
 173                       GDK_CURRENT_TIME );
 174
 175     win->m_diffX = (int)gdk_event->x;
 176     win->m_diffY = (int)gdk_event->y;
 177     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 178     win->m_oldX = 0;
 179     win->m_oldY = 0;
 180
 181     win->m_isDragging = TRUE;
 182
 183     return TRUE;
 184 }
 185
 186 //-----------------------------------------------------------------------------
 187 // "button_release_event" of m_mainWidget
 188 //-----------------------------------------------------------------------------
 189
 190 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 191 {
 192     if (g_isIdle) wxapp_install_idle_handler();
 193
 194     if (!win->HasVMT()) return FALSE;
 195     if (g_blockEventsOnDrag) return TRUE;
 196     if (g_blockEventsOnScroll) return TRUE;
 197
 198     if (!win->m_isDragging) return TRUE;
 199
 200     win->m_isDragging = FALSE;
 201
 202     int x = (int)gdk_event->x;
 203     int y = (int)gdk_event->y;
 204
 205     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 206     gdk_pointer_ungrab ( GDK_CURRENT_TIME );
 207     int org_x = 0;
 208     int org_y = 0;
 209     gdk_window_get_origin( widget->window, &org_x, &org_y );
 210     x += org_x - win->m_diffX;
 211     y += org_y - win->m_diffY;
 212     win->m_x = x;
 213     win->m_y = y;
 214     gtk_widget_set_uposition( win->m_widget, x, y );
 215
 216     return TRUE;
 217 }
 218
 219 //-----------------------------------------------------------------------------
 220 // "motion_notify_event" of m_mainWidget
 221 //-----------------------------------------------------------------------------
 222
 223 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 224 {
 225     if (g_isIdle) wxapp_install_idle_handler();
 226
 227     if (!win->HasVMT()) return FALSE;
 228     if (g_blockEventsOnDrag) return TRUE;
 229     if (g_blockEventsOnScroll) return TRUE;
 230
 231     if (!win->m_isDragging) return TRUE;
 232
 233     if (gdk_event->is_hint)
 234     {
 235        int x = 0;
 236        int y = 0;
 237        GdkModifierType state;
 238        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 239        gdk_event->x = x;
 240        gdk_event->y = y;
 241        gdk_event->state = state;
 242     }
 243
 244     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 245     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 246     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 247     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 248
 249     return TRUE;
 250 }
 251
 252 //-----------------------------------------------------------------------------
 253 // "clicked" of X system button
 254 //-----------------------------------------------------------------------------
 255
 256 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 257 {
 258     if (g_isIdle) wxapp_install_idle_handler();
 259
 260     mf->Close();
 261 }
 262
 263 //-----------------------------------------------------------------------------
 264 // wxMiniFrame
 265 //-----------------------------------------------------------------------------
 266
 267 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 268
 269 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 270       const wxPoint &pos, const wxSize &size,
 271       long style, const wxString &name )
 272 {
 273     style = style | wxSIMPLE_BORDER;
 274
 275     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 276         m_miniTitle = 13;
 277
 278     m_miniEdge = 3;
 279     m_isDragging = FALSE;
 280     m_oldX = -1;
 281     m_oldY = -1;
 282     m_diffX = 0;
 283     m_diffY = 0;
 284
 285     wxFrame::Create( parent, id, title, pos, size, style, name );
 286
 287     if ((style & wxSYSTEM_MENU) &&
 288         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 289     {
 290         GtkWidget *close_button = gtk_button_new_with_label( "x" );
 291
 292         gtk_myfixed_put( GTK_MYFIXED(m_mainWidget), close_button, 4, 4 );
 293         gtk_widget_set_usize( close_button, 12, 11 );
 294
 295         gtk_widget_show( close_button );
 296
 297         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 298           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 299     }
 300
 301     /* these are called when the borders are drawn */
 302     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 303         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 304
 305     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 306        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 307
 308     /* these are required for dragging the mini frame around */
 309     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 310       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 311
 312     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 313       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 314
 315     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 316       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 317
 318     return TRUE;
 319 }