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
  16 #if wxUSE_MINIFRAME
  17
  18 #include "wx/dcscreen.h"
  19
  20 #include "gtk/gtk.h"
  21 #include "wx/gtk/win_gtk.h"
  22
  23 #include "gdk/gdk.h"
  24 #include "gdk/gdkprivate.h"
  25 #include "gdk/gdkx.h"
  26
  27 //-----------------------------------------------------------------------------
  28 // idle system
  29 //-----------------------------------------------------------------------------
  30
  31 extern void wxapp_install_idle_handler();
  32 extern bool g_isIdle;
  33
  34 //-----------------------------------------------------------------------------
  35 // data
  36 //-----------------------------------------------------------------------------
  37
  38 extern bool   g_blockEventsOnDrag;
  39 extern bool   g_blockEventsOnScroll;
  40
  41 //-----------------------------------------------------------------------------
  42 // local functions
  43 //-----------------------------------------------------------------------------
  44
  45 /* draw XOR rectangle when moving mine frame around */
  46
  47 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  48 {
  49     int org_x = 0;
  50     int org_y = 0;
  51     gdk_window_get_origin( widget->window, &org_x, &org_y );
  52     x += org_x;
  53     y += org_y;
  54
  55     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  56     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  57     gdk_gc_set_function( gc, GDK_INVERT );
  58
  59     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  60     gdk_gc_unref( gc );
  61 }
  62
  63 //-----------------------------------------------------------------------------
  64 // "expose_event" of m_mainWidget
  65 //-----------------------------------------------------------------------------
  66
  67 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  68 {
  69     if (g_isIdle) wxapp_install_idle_handler();
  70
  71     if (!win->m_hasVMT) return;
  72     if (gdk_event->count > 0) return;
  73
  74     gtk_draw_shadow( widget->style,
  75                      widget->window,
  76                      GTK_STATE_NORMAL,
  77                      GTK_SHADOW_OUT,
  78                      0, 0,
  79                      win->m_width, win->m_height );
  80
  81     if (!win->m_title.IsEmpty() &&
  82         ((win->GetWindowStyle() & wxCAPTION) ||
  83          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
  84          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  85     {
  86         GdkGC *gc = gdk_gc_new( widget->window );
  87         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
  88         int x = 2;
  89         if (win->GetWindowStyle() & wxSYSTEM_MENU) x = 18;
  90
  91         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  92         gdk_draw_rectangle( widget->window, gc, TRUE,
  93                             x,
  94                             3,
  95                             win->m_width - 4 - x,
  96                             font->ascent + font->descent+1 );
  97
  98         gdk_gc_set_foreground( gc, &widget->style->white );
  99         gdk_draw_string( widget->window, font, gc,
 100                          x+2,
 101                          3+font->ascent,
 102                          win->m_title.mb_str() );
 103
 104         gdk_gc_unref( gc );
 105     }
 106 }
 107
 108 //-----------------------------------------------------------------------------
 109 // "draw" of m_mainWidget
 110 //-----------------------------------------------------------------------------
 111
 112 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 113 {
 114     if (g_isIdle) wxapp_install_idle_handler();
 115
 116     if (!win->m_hasVMT) return;
 117
 118     gtk_draw_shadow( widget->style,
 119                      widget->window,
 120                      GTK_STATE_NORMAL,
 121                      GTK_SHADOW_OUT,
 122                      0, 0,
 123                      win->m_width, win->m_height );
 124
 125     if (!win->m_title.IsEmpty() &&
 126         ((win->GetWindowStyle() & wxCAPTION) ||
 127          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
 128          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
 129     {
 130         GdkGC *gc = gdk_gc_new( widget->window );
 131         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
 132         int x = 2;
 133         if (win->GetWindowStyle() & wxSYSTEM_MENU) x = 17;
 134
 135         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 136         gdk_draw_rectangle( widget->window, gc, TRUE,
 137                             x,
 138                             3,
 139                             win->m_width - 4 - x,
 140                             font->ascent + font->descent+1 );
 141
 142         gdk_gc_set_foreground( gc, &widget->style->white );
 143         gdk_draw_string( widget->window, font, gc,
 144                          x+2,
 145                          3+font->ascent,
 146                          win->m_title.mb_str() );
 147
 148         gdk_gc_unref( gc );
 149     }
 150 }
 151
 152 //-----------------------------------------------------------------------------
 153 // "button_press_event" of m_mainWidget
 154 //-----------------------------------------------------------------------------
 155
 156 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 157 {
 158     if (g_isIdle) wxapp_install_idle_handler();
 159
 160     if (!win->m_hasVMT) return FALSE;
 161     if (g_blockEventsOnDrag) return TRUE;
 162     if (g_blockEventsOnScroll) return TRUE;
 163
 164     if (win->m_isDragging) return TRUE;
 165
 166     gdk_window_raise( win->m_widget->window );
 167
 168     gdk_pointer_grab( widget->window, FALSE,
 169                       (GdkEventMask)
 170                          (GDK_BUTTON_PRESS_MASK |
 171                           GDK_BUTTON_RELEASE_MASK |
 172                           GDK_POINTER_MOTION_MASK        |
 173                           GDK_POINTER_MOTION_HINT_MASK  |
 174                           GDK_BUTTON_MOTION_MASK        |
 175                           GDK_BUTTON1_MOTION_MASK),
 176                       (GdkWindow *) NULL,
 177                       (GdkCursor *) NULL,
 178                       GDK_CURRENT_TIME );
 179
 180     win->m_diffX = (int)gdk_event->x;
 181     win->m_diffY = (int)gdk_event->y;
 182     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 183     win->m_oldX = 0;
 184     win->m_oldY = 0;
 185
 186     win->m_isDragging = TRUE;
 187
 188     return TRUE;
 189 }
 190
 191 //-----------------------------------------------------------------------------
 192 // "button_release_event" of m_mainWidget
 193 //-----------------------------------------------------------------------------
 194
 195 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 196 {
 197     if (g_isIdle) wxapp_install_idle_handler();
 198
 199     if (!win->m_hasVMT) return FALSE;
 200     if (g_blockEventsOnDrag) return TRUE;
 201     if (g_blockEventsOnScroll) return TRUE;
 202
 203     if (!win->m_isDragging) return TRUE;
 204
 205     win->m_isDragging = FALSE;
 206
 207     int x = (int)gdk_event->x;
 208     int y = (int)gdk_event->y;
 209
 210     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 211     gdk_pointer_ungrab ( GDK_CURRENT_TIME );
 212     int org_x = 0;
 213     int org_y = 0;
 214     gdk_window_get_origin( widget->window, &org_x, &org_y );
 215     x += org_x - win->m_diffX;
 216     y += org_y - win->m_diffY;
 217     win->m_x = x;
 218     win->m_y = y;
 219     gtk_widget_set_uposition( win->m_widget, x, y );
 220
 221     return TRUE;
 222 }
 223
 224 //-----------------------------------------------------------------------------
 225 // "motion_notify_event" of m_mainWidget
 226 //-----------------------------------------------------------------------------
 227
 228 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 229 {
 230     if (g_isIdle) wxapp_install_idle_handler();
 231
 232     if (!win->m_hasVMT) return FALSE;
 233     if (g_blockEventsOnDrag) return TRUE;
 234     if (g_blockEventsOnScroll) return TRUE;
 235
 236     if (!win->m_isDragging) return TRUE;
 237
 238     if (gdk_event->is_hint)
 239     {
 240        int x = 0;
 241        int y = 0;
 242        GdkModifierType state;
 243        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 244        gdk_event->x = x;
 245        gdk_event->y = y;
 246        gdk_event->state = state;
 247     }
 248
 249     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 250     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 251     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 252     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 253
 254     return TRUE;
 255 }
 256
 257 //-----------------------------------------------------------------------------
 258 // "clicked" of X system button
 259 //-----------------------------------------------------------------------------
 260
 261 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 262 {
 263     if (g_isIdle) wxapp_install_idle_handler();
 264
 265     mf->Close();
 266 }
 267
 268 //-----------------------------------------------------------------------------
 269 // wxMiniFrame
 270 //-----------------------------------------------------------------------------
 271
 272 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 273
 274 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 275       const wxPoint &pos, const wxSize &size,
 276       long style, const wxString &name )
 277 {
 278     style = style | wxSIMPLE_BORDER;
 279
 280     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 281         m_miniTitle = 13;
 282
 283     m_miniEdge = 3;
 284     m_isDragging = FALSE;
 285     m_oldX = -1;
 286     m_oldY = -1;
 287     m_diffX = 0;
 288     m_diffY = 0;
 289
 290     wxFrame::Create( parent, id, title, pos, size, style, name );
 291
 292     if ((style & wxSYSTEM_MENU) &&
 293         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 294     {
 295         GtkWidget *close_button = gtk_button_new_with_label( "x" );
 296
 297         gtk_myfixed_put( GTK_MYFIXED(m_mainWidget),
 298                          close_button,
 299                          4, 4, 12, 11 );
 300
 301         gtk_widget_show( close_button );
 302
 303         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 304           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 305     }
 306
 307     /* these are called when the borders are drawn */
 308     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 309         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 310
 311     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 312        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 313
 314     /* these are required for dragging the mini frame around */
 315     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 316       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 317
 318     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 319       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 320
 321     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 322       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 323
 324     return TRUE;
 325 }
 326
 327 #endif