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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11     #pragma implementation "minifram.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #include "wx/minifram.h"
  18
  19 #if wxUSE_MINIFRAME
  20
  21 #include "wx/dcscreen.h"
  22
  23 #include "gtk/gtk.h"
  24 #include "wx/gtk/win_gtk.h"
  25 #include "wx/gtk/private.h"
  26
  27 #include <gdk/gdk.h>
  28 #include <gdk/gdkprivate.h>
  29 #include <gdk/gdkx.h>
  30
  31 //-----------------------------------------------------------------------------
  32 // idle system
  33 //-----------------------------------------------------------------------------
  34
  35 extern void wxapp_install_idle_handler();
  36 extern bool g_isIdle;
  37
  38 //-----------------------------------------------------------------------------
  39 // data
  40 //-----------------------------------------------------------------------------
  41
  42 extern bool        g_blockEventsOnDrag;
  43 extern bool        g_blockEventsOnScroll;
  44 extern GtkWidget  *wxGetRootWindow();
  45
  46 //-----------------------------------------------------------------------------
  47 // local functions
  48 //-----------------------------------------------------------------------------
  49
  50 /* draw XOR rectangle when moving mine frame around */
  51
  52 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  53 {
  54     int org_x = 0;
  55     int org_y = 0;
  56     gdk_window_get_origin( widget->window, &org_x, &org_y );
  57     x += org_x;
  58     y += org_y;
  59
  60     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  61     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  62     gdk_gc_set_function( gc, GDK_INVERT );
  63
  64     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  65     gdk_gc_unref( gc );
  66 }
  67
  68 //-----------------------------------------------------------------------------
  69 // "expose_event" of m_mainWidget
  70 //-----------------------------------------------------------------------------
  71
  72 extern "C" {
  73 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  74 {
  75     if (g_isIdle) wxapp_install_idle_handler();
  76
  77     if (!win->m_hasVMT) return;
  78     if (gdk_event->count > 0) return;
  79
  80     GtkPizza *pizza = GTK_PIZZA(widget);
  81
  82     gtk_draw_shadow( widget->style,
  83                      pizza->bin_window,
  84                      GTK_STATE_NORMAL,
  85                      GTK_SHADOW_OUT,
  86                      0, 0,
  87                      win->m_width, win->m_height );
  88
  89     if (!win->GetTitle().IsEmpty() &&
  90         ((win->GetWindowStyle() & wxCAPTION) ||
  91          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
  92          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  93     {
  94         wxClientDC dc(win);
  95         dc.SetFont( *wxSMALL_FONT );
  96         int height = dc.GetCharHeight();
  97
  98         GdkGC *gc = gdk_gc_new( pizza->bin_window );
  99         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 100         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 101                             3,
 102                             3,
 103                             win->m_width - 7,
 104                             height+1 );
 105         gdk_gc_unref( gc );
 106
 107         // Hack alert
 108         dc.m_window = pizza->bin_window;
 109         dc.SetTextForeground( *wxWHITE );
 110         dc.DrawText( win->GetTitle(), 6, 3 );
 111     }
 112 }
 113 }
 114
 115 //-----------------------------------------------------------------------------
 116 // "draw" of m_mainWidget
 117 //-----------------------------------------------------------------------------
 118
 119 #ifndef __WXGTK20__
 120 extern "C" {
 121 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 122 {
 123     if (g_isIdle) wxapp_install_idle_handler();
 124
 125     if (!win->m_hasVMT) return;
 126
 127     GtkPizza *pizza = GTK_PIZZA(widget);
 128
 129     gtk_draw_shadow( widget->style,
 130                      pizza->bin_window,
 131                      GTK_STATE_NORMAL,
 132                      GTK_SHADOW_OUT,
 133                      0, 0,
 134                      win->m_width, win->m_height );
 135
 136     if (!win->m_title.IsEmpty() &&
 137         ((win->GetWindowStyle() & wxCAPTION) ||
 138          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
 139          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
 140     {
 141         wxClientDC dc(win);
 142         dc.SetFont( *wxSMALL_FONT );
 143         int height = dc.GetCharHeight();
 144
 145         GdkGC *gc = gdk_gc_new( pizza->bin_window );
 146         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 147         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 148                             3,
 149                             3,
 150                             win->m_width - 7,
 151                             height+1 );
 152         gdk_gc_unref( gc );
 153
 154         // Hack alert
 155         dc.m_window = pizza->bin_window;
 156         dc.SetTextForeground( *wxWHITE );
 157         dc.DrawText( win->GetTitle(), 6, 3 );
 158     }
 159 }
 160 }
 161 #endif
 162
 163 //-----------------------------------------------------------------------------
 164 // "button_press_event" of m_mainWidget
 165 //-----------------------------------------------------------------------------
 166
 167 extern "C" {
 168 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 169 {
 170     if (g_isIdle) wxapp_install_idle_handler();
 171
 172     if (!win->m_hasVMT) return FALSE;
 173     if (g_blockEventsOnDrag) return TRUE;
 174     if (g_blockEventsOnScroll) return TRUE;
 175
 176     if (win->m_isDragging) return TRUE;
 177
 178     GtkPizza *pizza = GTK_PIZZA(widget);
 179     if (gdk_event->window != pizza->bin_window) return TRUE;
 180
 181     wxClientDC dc(win);
 182     dc.SetFont( *wxSMALL_FONT );
 183     int height = dc.GetCharHeight() + 1;
 184
 185     if (gdk_event->y > height) return TRUE;
 186
 187     gdk_window_raise( win->m_widget->window );
 188
 189     gdk_pointer_grab( widget->window, FALSE,
 190                       (GdkEventMask)
 191                          (GDK_BUTTON_PRESS_MASK |
 192                           GDK_BUTTON_RELEASE_MASK |
 193                           GDK_POINTER_MOTION_MASK        |
 194                           GDK_POINTER_MOTION_HINT_MASK  |
 195                           GDK_BUTTON_MOTION_MASK        |
 196                           GDK_BUTTON1_MOTION_MASK),
 197                       (GdkWindow *) NULL,
 198                       (GdkCursor *) NULL,
 199                       (unsigned int) GDK_CURRENT_TIME );
 200
 201     win->m_diffX = (int)gdk_event->x;
 202     win->m_diffY = (int)gdk_event->y;
 203     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 204     win->m_oldX = 0;
 205     win->m_oldY = 0;
 206
 207     win->m_isDragging = TRUE;
 208
 209     return TRUE;
 210 }
 211 }
 212
 213 //-----------------------------------------------------------------------------
 214 // "button_release_event" of m_mainWidget
 215 //-----------------------------------------------------------------------------
 216
 217 extern "C" {
 218 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 219 {
 220     if (g_isIdle) wxapp_install_idle_handler();
 221
 222     if (!win->m_hasVMT) return FALSE;
 223     if (g_blockEventsOnDrag) return TRUE;
 224     if (g_blockEventsOnScroll) return TRUE;
 225
 226     if (!win->m_isDragging) return TRUE;
 227
 228     win->m_isDragging = FALSE;
 229
 230     int x = (int)gdk_event->x;
 231     int y = (int)gdk_event->y;
 232
 233     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 234     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 235     int org_x = 0;
 236     int org_y = 0;
 237     gdk_window_get_origin( widget->window, &org_x, &org_y );
 238     x += org_x - win->m_diffX;
 239     y += org_y - win->m_diffY;
 240     win->m_x = x;
 241     win->m_y = y;
 242     gtk_widget_set_uposition( win->m_widget, x, y );
 243
 244     return TRUE;
 245 }
 246 }
 247
 248 //-----------------------------------------------------------------------------
 249 // "motion_notify_event" of m_mainWidget
 250 //-----------------------------------------------------------------------------
 251
 252 extern "C" {
 253 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 254 {
 255     if (g_isIdle) wxapp_install_idle_handler();
 256
 257     if (!win->m_hasVMT) return FALSE;
 258     if (g_blockEventsOnDrag) return TRUE;
 259     if (g_blockEventsOnScroll) return TRUE;
 260
 261     if (!win->m_isDragging) return TRUE;
 262
 263     if (gdk_event->is_hint)
 264     {
 265        int x = 0;
 266        int y = 0;
 267        GdkModifierType state;
 268        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 269        gdk_event->x = x;
 270        gdk_event->y = y;
 271        gdk_event->state = state;
 272     }
 273
 274     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 275     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 276     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 277     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 278
 279     return TRUE;
 280 }
 281 }
 282
 283 //-----------------------------------------------------------------------------
 284 // "clicked" of X system button
 285 //-----------------------------------------------------------------------------
 286
 287 extern "C" {
 288 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 289 {
 290     if (g_isIdle) wxapp_install_idle_handler();
 291
 292     mf->Close();
 293 }
 294 }
 295
 296 //-----------------------------------------------------------------------------
 297 // wxMiniFrame
 298 //-----------------------------------------------------------------------------
 299
 300 static const char *cross_xpm[] = {
 301 /* columns rows colors chars-per-pixel */
 302 "5 5 16 1",
 303 "  c Gray0",
 304 ". c #bf0000",
 305 "X c #00bf00",
 306 "o c #bfbf00",
 307 "O c #0000bf",
 308 "+ c #bf00bf",
 309 "@ c #00bfbf",
 310 "# c None",
 311 "$ c #808080",
 312 "% c Red",
 313 "& c Green",
 314 "* c Yellow",
 315 "= c Blue",
 316 "- c Magenta",
 317 "; c Cyan",
 318 ": c Gray100",
 319 /* pixels */
 320 " ### ",
 321 "# # #",
 322 "## ##",
 323 "# # #",
 324 " ### ",
 325 };
 326
 327 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 328
 329 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 330       const wxPoint &pos, const wxSize &size,
 331       long style, const wxString &name )
 332 {
 333     style = style | wxCAPTION;
 334
 335     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 336         m_miniTitle = 13;
 337
 338     m_miniEdge = 3;
 339     m_isDragging = FALSE;
 340     m_oldX = -1;
 341     m_oldY = -1;
 342     m_diffX = 0;
 343     m_diffY = 0;
 344
 345     wxFrame::Create( parent, id, title, pos, size, style, name );
 346
 347     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
 348     {
 349         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 350     }
 351
 352     if ((style & wxSYSTEM_MENU) &&
 353         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 354     {
 355         GdkBitmap *mask = (GdkBitmap*) NULL;
 356         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 357                             (
 358                                 wxGetRootWindow()->window,
 359                                 &mask,
 360                                 NULL,
 361                                 (char **)cross_xpm
 362                             );
 363
 364         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 365         gdk_bitmap_unref( mask );
 366         gdk_pixmap_unref( pixmap );
 367         gtk_widget_show( pw );
 368
 369         GtkWidget *close_button = gtk_button_new();
 370         gtk_container_add( GTK_CONTAINER(close_button), pw );
 371
 372         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 373                          close_button,
 374                          size.x-16, 4, 11, 11 );
 375
 376         gtk_widget_show( close_button );
 377
 378         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 379           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 380     }
 381
 382     /* these are called when the borders are drawn */
 383     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 384         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 385
 386 #ifndef __WXGTK20__
 387     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 388        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 389 #endif
 390
 391     /* these are required for dragging the mini frame around */
 392     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 393       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 394
 395     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 396       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 397
 398     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 399       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 400
 401     return TRUE;
 402 }
 403
 404 void wxMiniFrame::SetTitle( const wxString &title )
 405 {
 406     wxFrame::SetTitle( title );
 407
 408 #ifdef __WXGTK20__
 409     gdk_window_invalidate_rect( GTK_PIZZA(m_mainWidget)->bin_window, NULL, true );
 410 #else
 411     gtk_widget_draw( m_mainWidget, (GdkRectangle*) NULL );
 412 #endif
 413 }
 414
 415 #endif