src/gtk/minifram.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/minifram.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_MINIFRAME
  14
  15 #include "wx/minifram.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/dcscreen.h"
  19 #endif
  20
  21 #include "gtk/gtk.h"
  22 #include "wx/gtk/win_gtk.h"
  23 #include "wx/gtk/private.h"
  24
  25 #include <gdk/gdk.h>
  26 #include <gdk/gdkprivate.h>
  27 #include <gdk/gdkx.h>
  28
  29 //-----------------------------------------------------------------------------
  30 // data
  31 //-----------------------------------------------------------------------------
  32
  33 extern bool        g_blockEventsOnDrag;
  34 extern bool        g_blockEventsOnScroll;
  35 extern GtkWidget  *wxGetRootWindow();
  36
  37 //-----------------------------------------------------------------------------
  38 // "expose_event" of m_mainWidget
  39 //-----------------------------------------------------------------------------
  40
  41 extern "C" {
  42 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  43 {
  44     if (g_isIdle) wxapp_install_idle_handler();
  45
  46     if (!win->m_hasVMT) return;
  47     if (gdk_event->count > 0) return;
  48
  49     GtkPizza *pizza = GTK_PIZZA(widget);
  50
  51     gtk_paint_shadow (widget->style,
  52                       pizza->bin_window,
  53                       GTK_STATE_NORMAL,
  54                       GTK_SHADOW_OUT,
  55                       NULL, NULL, NULL, // FIXME: No clipping?
  56                       0, 0,
  57                       win->m_width, win->m_height);
  58
  59     if (!win->GetTitle().empty() &&
  60         ((win->GetWindowStyle() & wxCAPTION) ||
  61          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
  62          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  63     {
  64         wxClientDC dc(win);
  65         dc.SetFont( *wxSMALL_FONT );
  66         int height = dc.GetCharHeight();
  67
  68         GdkGC *gc = gdk_gc_new( pizza->bin_window );
  69         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  70         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
  71                             3,
  72                             3,
  73                             win->m_width - 7,
  74                             height+1 );
  75         g_object_unref (gc);
  76
  77         // Hack alert
  78         dc.m_window = pizza->bin_window;
  79         dc.SetTextForeground( *wxWHITE );
  80         dc.DrawText( win->GetTitle(), 6, 3 );
  81     }
  82 }
  83 }
  84
  85 //-----------------------------------------------------------------------------
  86 // "button_press_event" of m_mainWidget
  87 //-----------------------------------------------------------------------------
  88
  89 extern "C" {
  90 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
  91 {
  92     if (g_isIdle) wxapp_install_idle_handler();
  93
  94     if (!win->m_hasVMT) return FALSE;
  95     if (g_blockEventsOnDrag) return TRUE;
  96     if (g_blockEventsOnScroll) return TRUE;
  97
  98     if (win->m_isDragging) return TRUE;
  99
 100     GtkPizza *pizza = GTK_PIZZA(widget);
 101     if (gdk_event->window != pizza->bin_window) return TRUE;
 102
 103     wxClientDC dc(win);
 104     dc.SetFont( *wxSMALL_FONT );
 105     int height = dc.GetCharHeight() + 1;
 106
 107     if (gdk_event->y > height) return TRUE;
 108
 109     gdk_window_raise( win->m_widget->window );
 110
 111     gdk_pointer_grab( widget->window, FALSE,
 112                       (GdkEventMask)
 113                          (GDK_BUTTON_PRESS_MASK |
 114                           GDK_BUTTON_RELEASE_MASK |
 115                           GDK_POINTER_MOTION_MASK        |
 116                           GDK_POINTER_MOTION_HINT_MASK  |
 117                           GDK_BUTTON_MOTION_MASK        |
 118                           GDK_BUTTON1_MOTION_MASK),
 119                       (GdkWindow *) NULL,
 120                       (GdkCursor *) NULL,
 121                       (unsigned int) GDK_CURRENT_TIME );
 122
 123     win->m_diffX = (int)gdk_event->x;
 124     win->m_diffY = (int)gdk_event->y;
 125     win->m_oldX = 0;
 126     win->m_oldY = 0;
 127
 128     win->m_isDragging = true;
 129
 130     return TRUE;
 131 }
 132 }
 133
 134 //-----------------------------------------------------------------------------
 135 // "button_release_event" of m_mainWidget
 136 //-----------------------------------------------------------------------------
 137
 138 extern "C" {
 139 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 140 {
 141     if (g_isIdle) wxapp_install_idle_handler();
 142
 143     if (!win->m_hasVMT) return FALSE;
 144     if (g_blockEventsOnDrag) return TRUE;
 145     if (g_blockEventsOnScroll) return TRUE;
 146
 147     if (!win->m_isDragging) return TRUE;
 148
 149     win->m_isDragging = false;
 150
 151     int x = (int)gdk_event->x;
 152     int y = (int)gdk_event->y;
 153
 154     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 155     int org_x = 0;
 156     int org_y = 0;
 157     gdk_window_get_origin( widget->window, &org_x, &org_y );
 158     x += org_x - win->m_diffX;
 159     y += org_y - win->m_diffY;
 160     win->m_x = x;
 161     win->m_y = y;
 162     gtk_window_move( GTK_WINDOW(win->m_widget), x, y );
 163
 164     return TRUE;
 165 }
 166 }
 167
 168 //-----------------------------------------------------------------------------
 169 // "motion_notify_event" of m_mainWidget
 170 //-----------------------------------------------------------------------------
 171
 172 extern "C" {
 173 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 174 {
 175     if (g_isIdle) wxapp_install_idle_handler();
 176
 177     if (!win->m_hasVMT) return FALSE;
 178     if (g_blockEventsOnDrag) return TRUE;
 179     if (g_blockEventsOnScroll) return TRUE;
 180
 181     if (!win->m_isDragging) return TRUE;
 182
 183     if (gdk_event->is_hint)
 184     {
 185        int x = 0;
 186        int y = 0;
 187        GdkModifierType state;
 188        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 189        gdk_event->x = x;
 190        gdk_event->y = y;
 191        gdk_event->state = state;
 192     }
 193
 194     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 195     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 196
 197     int x = (int)gdk_event->x;
 198     int y = (int)gdk_event->y;
 199
 200     int org_x = 0;
 201     int org_y = 0;
 202     gdk_window_get_origin( widget->window, &org_x, &org_y );
 203     x += org_x - win->m_diffX;
 204     y += org_y - win->m_diffY;
 205     win->m_x = x;
 206     win->m_y = y;
 207     gtk_window_move( GTK_WINDOW(win->m_widget), x, y );
 208
 209
 210     return TRUE;
 211 }
 212 }
 213
 214 //-----------------------------------------------------------------------------
 215 // "clicked" of X system button
 216 //-----------------------------------------------------------------------------
 217
 218 extern "C" {
 219 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 220 {
 221     if (g_isIdle) wxapp_install_idle_handler();
 222
 223     mf->Close();
 224 }
 225 }
 226
 227 //-----------------------------------------------------------------------------
 228 // wxMiniFrame
 229 //-----------------------------------------------------------------------------
 230
 231 static const char *cross_xpm[] = {
 232 /* columns rows colors chars-per-pixel */
 233 "5 5 2 1",
 234 "# c Gray0",
 235 "  c None",
 236 /* pixels */
 237 "#   #",
 238 " # # ",
 239 "  #  ",
 240 " # # ",
 241 "#   #",
 242 };
 243
 244 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 245
 246 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 247       const wxPoint &pos, const wxSize &size,
 248       long style, const wxString &name )
 249 {
 250     style = style | wxCAPTION;
 251
 252     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 253         m_miniTitle = 13;
 254
 255     m_miniEdge = 3;
 256     m_isDragging = false;
 257     m_oldX = -1;
 258     m_oldY = -1;
 259     m_diffX = 0;
 260     m_diffY = 0;
 261
 262     wxFrame::Create( parent, id, title, pos, size, style, name );
 263
 264     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
 265     {
 266         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 267     }
 268
 269     if ((style & wxSYSTEM_MENU) &&
 270         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 271     {
 272         GdkBitmap *mask = (GdkBitmap*) NULL;
 273         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 274                             (
 275                                 wxGetRootWindow()->window,
 276                                 &mask,
 277                                 NULL,
 278                                 (char **)cross_xpm
 279                             );
 280
 281         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 282         g_object_unref (mask);
 283         g_object_unref (pixmap);
 284         gtk_widget_show( pw );
 285
 286         GtkWidget *close_button = gtk_button_new();
 287 #ifdef __WXGTK24__
 288         if (!gtk_check_version(2,4,0))
 289             gtk_button_set_focus_on_click( GTK_BUTTON(close_button), FALSE );
 290 #endif
 291         gtk_container_add( GTK_CONTAINER(close_button), pw );
 292
 293         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 294                          close_button,
 295                          size.x-16, 4, 11, 11 );
 296
 297         gtk_widget_show( close_button );
 298
 299         g_signal_connect (close_button, "clicked",
 300                           G_CALLBACK (gtk_button_clicked_callback),
 301                           this);
 302     }
 303
 304     /* these are called when the borders are drawn */
 305     g_signal_connect (m_mainWidget, "expose_event",
 306                       G_CALLBACK (gtk_window_own_expose_callback), this );
 307
 308     /* these are required for dragging the mini frame around */
 309     g_signal_connect (m_mainWidget, "button_press_event",
 310                       G_CALLBACK (gtk_window_button_press_callback), this);
 311     g_signal_connect (m_mainWidget, "button_release_event",
 312                       G_CALLBACK (gtk_window_button_release_callback), this);
 313     g_signal_connect (m_mainWidget, "motion_notify_event",
 314                       G_CALLBACK (gtk_window_motion_notify_callback), this);
 315
 316     return true;
 317 }
 318
 319 void wxMiniFrame::SetTitle( const wxString &title )
 320 {
 321     wxFrame::SetTitle( title );
 322
 323     gdk_window_invalidate_rect( GTK_PIZZA(m_mainWidget)->bin_window, NULL, true );
 324 }
 325
 326 #endif // wxUSE_MINIFRAME