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     GtkMyFixed *myfixed = GTK_MYFIXED(widget);
  75
  76     gtk_draw_shadow( widget->style,
  77                      myfixed->bin_window,
  78                      GTK_STATE_NORMAL,
  79                      GTK_SHADOW_OUT,
  80                      0, 0,
  81                      win->m_width, win->m_height );
  82
  83     if (!win->m_title.IsEmpty() &&
  84         ((win->GetWindowStyle() & wxCAPTION) ||
  85          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
  86          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  87     {
  88         GdkGC *gc = gdk_gc_new( myfixed->bin_window );
  89         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
  90         int x = 2;
  91         if (win->GetWindowStyle() & wxSYSTEM_MENU) x = 18;
  92
  93         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  94         gdk_draw_rectangle( myfixed->bin_window, gc, TRUE,
  95                             x,
  96                             3,
  97                             win->m_width - 4 - x,
  98                             font->ascent + font->descent+1 );
  99
 100         gdk_gc_set_foreground( gc, &widget->style->white );
 101         gdk_draw_string( myfixed->bin_window, font, gc,
 102                          x+2,
 103                          3+font->ascent,
 104                          win->m_title.mb_str() );
 105
 106         gdk_gc_unref( gc );
 107     }
 108 }
 109
 110 //-----------------------------------------------------------------------------
 111 // "draw" of m_mainWidget
 112 //-----------------------------------------------------------------------------
 113
 114 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 115 {
 116     if (g_isIdle) wxapp_install_idle_handler();
 117
 118     if (!win->m_hasVMT) return;
 119
 120     GtkMyFixed *myfixed = GTK_MYFIXED(widget);
 121
 122     gtk_draw_shadow( widget->style,
 123                      myfixed->bin_window,
 124                      GTK_STATE_NORMAL,
 125                      GTK_SHADOW_OUT,
 126                      0, 0,
 127                      win->m_width, win->m_height );
 128
 129     if (!win->m_title.IsEmpty() &&
 130         ((win->GetWindowStyle() & wxCAPTION) ||
 131          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
 132          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
 133     {
 134         GdkGC *gc = gdk_gc_new( myfixed->bin_window );
 135         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
 136         int x = 2;
 137         if (win->GetWindowStyle() & wxSYSTEM_MENU) x = 17;
 138
 139         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 140         gdk_draw_rectangle( myfixed->bin_window, gc, TRUE,
 141                             x,
 142                             3,
 143                             win->m_width - 4 - x,
 144                             font->ascent + font->descent+1 );
 145
 146         gdk_gc_set_foreground( gc, &widget->style->white );
 147         gdk_draw_string( myfixed->bin_window, font, gc,
 148                          x+2,
 149                          3+font->ascent,
 150                          win->m_title.mb_str() );
 151
 152         gdk_gc_unref( gc );
 153     }
 154 }
 155
 156 //-----------------------------------------------------------------------------
 157 // "button_press_event" of m_mainWidget
 158 //-----------------------------------------------------------------------------
 159
 160 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 161 {
 162     if (g_isIdle) wxapp_install_idle_handler();
 163
 164     if (!win->m_hasVMT) return FALSE;
 165     if (g_blockEventsOnDrag) return TRUE;
 166     if (g_blockEventsOnScroll) return TRUE;
 167
 168     if (win->m_isDragging) return TRUE;
 169
 170     gdk_window_raise( win->m_widget->window );
 171
 172     gdk_pointer_grab( widget->window, FALSE,
 173                       (GdkEventMask)
 174                          (GDK_BUTTON_PRESS_MASK |
 175                           GDK_BUTTON_RELEASE_MASK |
 176                           GDK_POINTER_MOTION_MASK        |
 177                           GDK_POINTER_MOTION_HINT_MASK  |
 178                           GDK_BUTTON_MOTION_MASK        |
 179                           GDK_BUTTON1_MOTION_MASK),
 180                       (GdkWindow *) NULL,
 181                       (GdkCursor *) NULL,
 182                       GDK_CURRENT_TIME );
 183
 184     win->m_diffX = (int)gdk_event->x;
 185     win->m_diffY = (int)gdk_event->y;
 186     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 187     win->m_oldX = 0;
 188     win->m_oldY = 0;
 189
 190     win->m_isDragging = TRUE;
 191
 192     return TRUE;
 193 }
 194
 195 //-----------------------------------------------------------------------------
 196 // "button_release_event" of m_mainWidget
 197 //-----------------------------------------------------------------------------
 198
 199 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 200 {
 201     if (g_isIdle) wxapp_install_idle_handler();
 202
 203     if (!win->m_hasVMT) return FALSE;
 204     if (g_blockEventsOnDrag) return TRUE;
 205     if (g_blockEventsOnScroll) return TRUE;
 206
 207     if (!win->m_isDragging) return TRUE;
 208
 209     win->m_isDragging = FALSE;
 210
 211     int x = (int)gdk_event->x;
 212     int y = (int)gdk_event->y;
 213
 214     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 215     gdk_pointer_ungrab ( GDK_CURRENT_TIME );
 216     int org_x = 0;
 217     int org_y = 0;
 218     gdk_window_get_origin( widget->window, &org_x, &org_y );
 219     x += org_x - win->m_diffX;
 220     y += org_y - win->m_diffY;
 221     win->m_x = x;
 222     win->m_y = y;
 223     gtk_widget_set_uposition( win->m_widget, x, y );
 224
 225     return TRUE;
 226 }
 227
 228 //-----------------------------------------------------------------------------
 229 // "motion_notify_event" of m_mainWidget
 230 //-----------------------------------------------------------------------------
 231
 232 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 233 {
 234     if (g_isIdle) wxapp_install_idle_handler();
 235
 236     if (!win->m_hasVMT) return FALSE;
 237     if (g_blockEventsOnDrag) return TRUE;
 238     if (g_blockEventsOnScroll) return TRUE;
 239
 240     if (!win->m_isDragging) return TRUE;
 241
 242     if (gdk_event->is_hint)
 243     {
 244        int x = 0;
 245        int y = 0;
 246        GdkModifierType state;
 247        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 248        gdk_event->x = x;
 249        gdk_event->y = y;
 250        gdk_event->state = state;
 251     }
 252
 253     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 254     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 255     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 256     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 257
 258     return TRUE;
 259 }
 260
 261 //-----------------------------------------------------------------------------
 262 // "clicked" of X system button
 263 //-----------------------------------------------------------------------------
 264
 265 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 266 {
 267     if (g_isIdle) wxapp_install_idle_handler();
 268
 269     mf->Close();
 270 }
 271
 272 //-----------------------------------------------------------------------------
 273 // wxMiniFrame
 274 //-----------------------------------------------------------------------------
 275
 276 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 277
 278 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 279       const wxPoint &pos, const wxSize &size,
 280       long style, const wxString &name )
 281 {
 282     style = style | wxSIMPLE_BORDER;
 283     style = style | wxCAPTION;
 284
 285     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 286         m_miniTitle = 13;
 287
 288     m_miniEdge = 3;
 289     m_isDragging = FALSE;
 290     m_oldX = -1;
 291     m_oldY = -1;
 292     m_diffX = 0;
 293     m_diffY = 0;
 294
 295     wxFrame::Create( parent, id, title, pos, size, style, name );
 296
 297     if ((style & wxSYSTEM_MENU) &&
 298         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 299     {
 300         GtkWidget *close_button = gtk_button_new_with_label( "x" );
 301
 302         gtk_myfixed_put( GTK_MYFIXED(m_mainWidget),
 303                          close_button,
 304                          4, 4, 12, 11 );
 305
 306         gtk_widget_show( close_button );
 307
 308         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 309           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 310     }
 311
 312     /* these are called when the borders are drawn */
 313     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 314         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 315
 316     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 317        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 318
 319     /* these are required for dragging the mini frame around */
 320     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 321       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 322
 323     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 324       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 325
 326     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 327       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 328
 329     return TRUE;
 330 }
 331
 332 #endif