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 #include "wx/minifram.h"
  14
  15 #if wxUSE_MINIFRAME
  16
  17 #include "wx/dcscreen.h"
  18
  19 #include "gtk/gtk.h"
  20 #include "wx/gtk/win_gtk.h"
  21 #include "wx/gtk/private.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 extern GtkWidget  *wxGetRootWindow();
  41
  42 //-----------------------------------------------------------------------------
  43 // local functions
  44 //-----------------------------------------------------------------------------
  45
  46 /* draw XOR rectangle when moving mine frame around */
  47
  48 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  49 {
  50     int org_x = 0;
  51     int org_y = 0;
  52     gdk_window_get_origin( widget->window, &org_x, &org_y );
  53     x += org_x;
  54     y += org_y;
  55
  56     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  57     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  58     gdk_gc_set_function( gc, GDK_INVERT );
  59
  60     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  61     gdk_gc_unref( gc );
  62 }
  63
  64 //-----------------------------------------------------------------------------
  65 // "expose_event" of m_mainWidget
  66 //-----------------------------------------------------------------------------
  67
  68 extern "C" {
  69 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  70 {
  71     if (g_isIdle) wxapp_install_idle_handler();
  72
  73     if (!win->m_hasVMT) return;
  74     if (gdk_event->count > 0) return;
  75
  76     GtkPizza *pizza = GTK_PIZZA(widget);
  77
  78     gtk_draw_shadow( widget->style,
  79                      pizza->bin_window,
  80                      GTK_STATE_NORMAL,
  81                      GTK_SHADOW_OUT,
  82                      0, 0,
  83                      win->m_width, win->m_height );
  84
  85     if (!win->GetTitle().empty() &&
  86         ((win->GetWindowStyle() & wxCAPTION) ||
  87          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
  88          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  89     {
  90         wxClientDC dc(win);
  91         dc.SetFont( *wxSMALL_FONT );
  92         int height = dc.GetCharHeight();
  93
  94         GdkGC *gc = gdk_gc_new( pizza->bin_window );
  95         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  96         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
  97                             3,
  98                             3,
  99                             win->m_width - 7,
 100                             height+1 );
 101         gdk_gc_unref( gc );
 102
 103         // Hack alert
 104         dc.m_window = pizza->bin_window;
 105         dc.SetTextForeground( *wxWHITE );
 106         dc.DrawText( win->GetTitle(), 6, 3 );
 107     }
 108 }
 109 }
 110
 111 //-----------------------------------------------------------------------------
 112 // "button_press_event" of m_mainWidget
 113 //-----------------------------------------------------------------------------
 114
 115 extern "C" {
 116 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 117 {
 118     if (g_isIdle) wxapp_install_idle_handler();
 119
 120     if (!win->m_hasVMT) return FALSE;
 121     if (g_blockEventsOnDrag) return TRUE;
 122     if (g_blockEventsOnScroll) return TRUE;
 123
 124     if (win->m_isDragging) return TRUE;
 125
 126     GtkPizza *pizza = GTK_PIZZA(widget);
 127     if (gdk_event->window != pizza->bin_window) return TRUE;
 128
 129     wxClientDC dc(win);
 130     dc.SetFont( *wxSMALL_FONT );
 131     int height = dc.GetCharHeight() + 1;
 132
 133     if (gdk_event->y > height) return TRUE;
 134
 135     gdk_window_raise( win->m_widget->window );
 136
 137     gdk_pointer_grab( widget->window, FALSE,
 138                       (GdkEventMask)
 139                          (GDK_BUTTON_PRESS_MASK |
 140                           GDK_BUTTON_RELEASE_MASK |
 141                           GDK_POINTER_MOTION_MASK        |
 142                           GDK_POINTER_MOTION_HINT_MASK  |
 143                           GDK_BUTTON_MOTION_MASK        |
 144                           GDK_BUTTON1_MOTION_MASK),
 145                       (GdkWindow *) NULL,
 146                       (GdkCursor *) NULL,
 147                       (unsigned int) GDK_CURRENT_TIME );
 148
 149     win->m_diffX = (int)gdk_event->x;
 150     win->m_diffY = (int)gdk_event->y;
 151     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 152     win->m_oldX = 0;
 153     win->m_oldY = 0;
 154
 155     win->m_isDragging = true;
 156
 157     return TRUE;
 158 }
 159 }
 160
 161 //-----------------------------------------------------------------------------
 162 // "button_release_event" of m_mainWidget
 163 //-----------------------------------------------------------------------------
 164
 165 extern "C" {
 166 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 167 {
 168     if (g_isIdle) wxapp_install_idle_handler();
 169
 170     if (!win->m_hasVMT) return FALSE;
 171     if (g_blockEventsOnDrag) return TRUE;
 172     if (g_blockEventsOnScroll) return TRUE;
 173
 174     if (!win->m_isDragging) return TRUE;
 175
 176     win->m_isDragging = FALSE;
 177
 178     int x = (int)gdk_event->x;
 179     int y = (int)gdk_event->y;
 180
 181     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 182     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 183     int org_x = 0;
 184     int org_y = 0;
 185     gdk_window_get_origin( widget->window, &org_x, &org_y );
 186     x += org_x - win->m_diffX;
 187     y += org_y - win->m_diffY;
 188     win->m_x = x;
 189     win->m_y = y;
 190     gtk_widget_set_uposition( win->m_widget, x, y );
 191
 192     return TRUE;
 193 }
 194 }
 195
 196 //-----------------------------------------------------------------------------
 197 // "motion_notify_event" of m_mainWidget
 198 //-----------------------------------------------------------------------------
 199
 200 extern "C" {
 201 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 202 {
 203     if (g_isIdle) wxapp_install_idle_handler();
 204
 205     if (!win->m_hasVMT) return FALSE;
 206     if (g_blockEventsOnDrag) return TRUE;
 207     if (g_blockEventsOnScroll) return TRUE;
 208
 209     if (!win->m_isDragging) return TRUE;
 210
 211     if (gdk_event->is_hint)
 212     {
 213        int x = 0;
 214        int y = 0;
 215        GdkModifierType state;
 216        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 217        gdk_event->x = x;
 218        gdk_event->y = y;
 219        gdk_event->state = state;
 220     }
 221
 222     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 223     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 224     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 225     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 226
 227     return TRUE;
 228 }
 229 }
 230
 231 //-----------------------------------------------------------------------------
 232 // "clicked" of X system button
 233 //-----------------------------------------------------------------------------
 234
 235 extern "C" {
 236 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 237 {
 238     if (g_isIdle) wxapp_install_idle_handler();
 239
 240     mf->Close();
 241 }
 242 }
 243
 244 //-----------------------------------------------------------------------------
 245 // wxMiniFrame
 246 //-----------------------------------------------------------------------------
 247
 248 static const char *cross_xpm[] = {
 249 /* columns rows colors chars-per-pixel */
 250 "5 5 16 1",
 251 "  c Gray0",
 252 ". c #bf0000",
 253 "X c #00bf00",
 254 "o c #bfbf00",
 255 "O c #0000bf",
 256 "+ c #bf00bf",
 257 "@ c #00bfbf",
 258 "# c None",
 259 "$ c #808080",
 260 "% c Red",
 261 "& c Green",
 262 "* c Yellow",
 263 "= c Blue",
 264 "- c Magenta",
 265 "; c Cyan",
 266 ": c Gray100",
 267 /* pixels */
 268 " ### ",
 269 "# # #",
 270 "## ##",
 271 "# # #",
 272 " ### ",
 273 };
 274
 275 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 276
 277 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 278       const wxPoint &pos, const wxSize &size,
 279       long style, const wxString &name )
 280 {
 281     style = style | wxCAPTION;
 282
 283     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 284         m_miniTitle = 13;
 285
 286     m_miniEdge = 3;
 287     m_isDragging = false;
 288     m_oldX = -1;
 289     m_oldY = -1;
 290     m_diffX = 0;
 291     m_diffY = 0;
 292
 293     wxFrame::Create( parent, id, title, pos, size, style, name );
 294
 295     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
 296     {
 297         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 298     }
 299
 300     if ((style & wxSYSTEM_MENU) &&
 301         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 302     {
 303         GdkBitmap *mask = (GdkBitmap*) NULL;
 304         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 305                             (
 306                                 wxGetRootWindow()->window,
 307                                 &mask,
 308                                 NULL,
 309                                 (char **)cross_xpm
 310                             );
 311
 312         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 313         gdk_bitmap_unref( mask );
 314         gdk_pixmap_unref( pixmap );
 315         gtk_widget_show( pw );
 316
 317         GtkWidget *close_button = gtk_button_new();
 318         gtk_container_add( GTK_CONTAINER(close_button), pw );
 319
 320         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 321                          close_button,
 322                          size.x-16, 4, 11, 11 );
 323
 324         gtk_widget_show( close_button );
 325
 326         g_signal_connect (close_button, "clicked",
 327                           G_CALLBACK (gtk_button_clicked_callback),
 328                           this);
 329     }
 330
 331     /* these are called when the borders are drawn */
 332     g_signal_connect (m_mainWidget, "expose_event",
 333                       G_CALLBACK (gtk_window_own_expose_callback), this );
 334
 335     /* these are required for dragging the mini frame around */
 336     g_signal_connect (m_mainWidget, "button_press_event",
 337                       G_CALLBACK (gtk_window_button_press_callback), this);
 338     g_signal_connect (m_mainWidget, "button_release_event",
 339                       G_CALLBACK (gtk_window_button_release_callback), this);
 340     g_signal_connect (m_mainWidget, "motion_notify_event",
 341                       G_CALLBACK (gtk_window_motion_notify_callback), this);
 342
 343     return true;
 344 }
 345
 346 void wxMiniFrame::SetTitle( const wxString &title )
 347 {
 348     wxFrame::SetTitle( title );
 349
 350     gdk_window_invalidate_rect( GTK_PIZZA(m_mainWidget)->bin_window, NULL, true );
 351 }
 352
 353 #endif