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 #include "wx/dcscreen.h"
  16
  17 #include "gtk/gtk.h"
  18 #include "wx/gtk/win_gtk.h"
  19
  20 #include "gdk/gdk.h"
  21 #include "gdk/gdkprivate.h"
  22 #include "gdk/gdkx.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // data
  26 //-----------------------------------------------------------------------------
  27
  28 extern bool   g_blockEventsOnDrag;
  29 extern bool   g_blockEventsOnScroll;
  30
  31 //-----------------------------------------------------------------------------
  32 // local functions
  33 //-----------------------------------------------------------------------------
  34
  35 /* draw XOR rectangle when moving mine frame around */
  36
  37 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  38 {
  39     int org_x = 0;
  40     int org_y = 0;
  41     gdk_window_get_origin( widget->window, &org_x, &org_y );
  42     x += org_x;
  43     y += org_y;
  44
  45     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  46     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  47     gdk_gc_set_function( gc, GDK_INVERT );
  48
  49     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  50     gdk_gc_unref( gc );
  51 }
  52
  53 //-----------------------------------------------------------------------------
  54 // "expose_event" of m_mainWidget
  55 //-----------------------------------------------------------------------------
  56
  57 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  58 {
  59     if (!win->HasVMT()) return;
  60     if (gdk_event->count > 0) return;
  61
  62     gtk_draw_shadow( widget->style,
  63                      widget->window,
  64                      GTK_STATE_NORMAL,
  65                      GTK_SHADOW_OUT,
  66                      0, 0,
  67                      win->m_width, win->m_height );
  68 }
  69
  70 //-----------------------------------------------------------------------------
  71 // "draw" of m_mainWidget
  72 //-----------------------------------------------------------------------------
  73
  74 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
  75 {
  76     if (!win->HasVMT()) return;
  77
  78     gtk_draw_shadow( widget->style,
  79                      widget->window,
  80                      GTK_STATE_NORMAL,
  81                      GTK_SHADOW_OUT,
  82                      0, 0,
  83                      win->m_width, win->m_height );
  84 }
  85
  86 //-----------------------------------------------------------------------------
  87 // "button_press_event" of m_mainWidget
  88 //-----------------------------------------------------------------------------
  89
  90 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
  91 {
  92     if (!win->HasVMT()) return FALSE;
  93     if (g_blockEventsOnDrag) return TRUE;
  94     if (g_blockEventsOnScroll) return TRUE;
  95
  96     if (win->m_isDragging) return TRUE;
  97
  98     gdk_pointer_grab( widget->window, FALSE,
  99                       (GdkEventMask)
 100                          (GDK_BUTTON_PRESS_MASK |
 101                           GDK_BUTTON_RELEASE_MASK |
 102                           GDK_POINTER_MOTION_MASK       |
 103                           GDK_POINTER_MOTION_HINT_MASK  |
 104                           GDK_BUTTON_MOTION_MASK        |
 105                           GDK_BUTTON1_MOTION_MASK),
 106                       (GdkWindow *) NULL,
 107                       (GdkCursor *) NULL,
 108                       GDK_CURRENT_TIME );
 109
 110     win->m_diffX = (int)gdk_event->x;
 111     win->m_diffY = (int)gdk_event->y;
 112     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 113     win->m_oldX = 0;
 114     win->m_oldY = 0;
 115
 116     win->m_isDragging = TRUE;
 117
 118     return TRUE;
 119 }
 120
 121 //-----------------------------------------------------------------------------
 122 // "button_release_event" of m_mainWidget
 123 //-----------------------------------------------------------------------------
 124
 125 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 126 {
 127     if (!win->HasVMT()) return FALSE;
 128     if (g_blockEventsOnDrag) return TRUE;
 129     if (g_blockEventsOnScroll) return TRUE;
 130
 131     if (!win->m_isDragging) return TRUE;
 132
 133     win->m_isDragging = FALSE;
 134
 135     int x = (int)gdk_event->x;
 136     int y = (int)gdk_event->y;
 137
 138     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 139     gdk_pointer_ungrab ( GDK_CURRENT_TIME );
 140     int org_x = 0;
 141     int org_y = 0;
 142     gdk_window_get_origin( widget->window, &org_x, &org_y );
 143     x += org_x - win->m_diffX;
 144     y += org_y - win->m_diffY;
 145     win->m_x = x;
 146     win->m_y = y;
 147     gtk_widget_set_uposition( win->m_widget, x, y );
 148
 149     return TRUE;
 150 }
 151
 152 //-----------------------------------------------------------------------------
 153 // "motion_notify_event" of m_mainWidget
 154 //-----------------------------------------------------------------------------
 155
 156 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 157 {
 158     if (!win->HasVMT()) return FALSE;
 159     if (g_blockEventsOnDrag) return TRUE;
 160     if (g_blockEventsOnScroll) return TRUE;
 161
 162     if (!win->m_isDragging) return TRUE;
 163
 164     if (gdk_event->is_hint)
 165     {
 166        int x = 0;
 167        int y = 0;
 168        GdkModifierType state;
 169        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 170        gdk_event->x = x;
 171        gdk_event->y = y;
 172        gdk_event->state = state;
 173     }
 174
 175     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 176     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 177     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 178     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 179
 180     return TRUE;
 181 }
 182
 183 //-----------------------------------------------------------------------------
 184 // "clicked" of X system button
 185 //-----------------------------------------------------------------------------
 186
 187 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 188 {
 189     mf->Close();
 190 }
 191
 192 //-----------------------------------------------------------------------------
 193 // wxMiniFrame
 194 //-----------------------------------------------------------------------------
 195
 196 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 197
 198 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 199       const wxPoint &pos, const wxSize &size,
 200       long style, const wxString &name )
 201 {
 202     style = style | wxSIMPLE_BORDER;
 203
 204     m_miniEdge = 3;
 205     m_miniTitle = 13;
 206     m_isDragging = FALSE;
 207     m_oldX = -1;
 208     m_oldY = -1;
 209     m_diffX = 0;
 210     m_diffY = 0;
 211
 212     wxFrame::Create( parent, id, title, pos, size, style, name );
 213
 214     GtkWidget *close_button = gtk_button_new_with_label( "x" );
 215
 216     gtk_myfixed_put( GTK_MYFIXED(m_mainWidget), close_button, 4, 4 );
 217     gtk_widget_set_usize( close_button, 12, 11 );
 218
 219     gtk_widget_show( close_button );
 220
 221     gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 222       GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 223
 224     /* these are called when the borders are drawn */
 225     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 226         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 227
 228     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 229        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 230
 231     /* these are required for dragging the mini frame around */
 232     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 233       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 234
 235     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 236       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 237
 238     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 239       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 240
 241     return TRUE;
 242 }