| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: cursor.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | |
| 11 | #ifdef __GNUG__ |
| 12 | #pragma implementation "cursor.h" |
| 13 | #endif |
| 14 | |
| 15 | #include "wx/cursor.h" |
| 16 | #include "wx/utils.h" |
| 17 | #include "wx/app.h" |
| 18 | |
| 19 | #include <gdk/gdk.h> |
| 20 | #include <gtk/gtk.h> |
| 21 | |
| 22 | //----------------------------------------------------------------------------- |
| 23 | // idle system |
| 24 | //----------------------------------------------------------------------------- |
| 25 | |
| 26 | extern void wxapp_install_idle_handler(); |
| 27 | extern bool g_isIdle; |
| 28 | |
| 29 | //----------------------------------------------------------------------------- |
| 30 | // wxCursor |
| 31 | //----------------------------------------------------------------------------- |
| 32 | |
| 33 | class wxCursorRefData: public wxObjectRefData |
| 34 | { |
| 35 | public: |
| 36 | |
| 37 | wxCursorRefData(); |
| 38 | ~wxCursorRefData(); |
| 39 | |
| 40 | GdkCursor *m_cursor; |
| 41 | }; |
| 42 | |
| 43 | wxCursorRefData::wxCursorRefData() |
| 44 | { |
| 45 | m_cursor = (GdkCursor *) NULL; |
| 46 | } |
| 47 | |
| 48 | wxCursorRefData::~wxCursorRefData() |
| 49 | { |
| 50 | if (m_cursor) gdk_cursor_destroy( m_cursor ); |
| 51 | } |
| 52 | |
| 53 | //----------------------------------------------------------------------------- |
| 54 | |
| 55 | #define M_CURSORDATA ((wxCursorRefData *)m_refData) |
| 56 | |
| 57 | IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject) |
| 58 | |
| 59 | wxCursor::wxCursor() |
| 60 | { |
| 61 | } |
| 62 | |
| 63 | wxCursor::wxCursor( int cursorId ) |
| 64 | { |
| 65 | m_refData = new wxCursorRefData(); |
| 66 | |
| 67 | GdkCursorType gdk_cur = GDK_LEFT_PTR; |
| 68 | switch (cursorId) |
| 69 | { |
| 70 | case wxCURSOR_DEFAULT: gdk_cur = GDK_LEFT_PTR; break; |
| 71 | case wxCURSOR_HAND: gdk_cur = GDK_HAND1; break; |
| 72 | case wxCURSOR_CROSS: gdk_cur = GDK_CROSSHAIR; break; |
| 73 | case wxCURSOR_SIZEWE: gdk_cur = GDK_SB_H_DOUBLE_ARROW; break; |
| 74 | case wxCURSOR_SIZENS: gdk_cur = GDK_SB_V_DOUBLE_ARROW; break; |
| 75 | case wxCURSOR_ARROWWAIT: |
| 76 | case wxCURSOR_WAIT: |
| 77 | case wxCURSOR_WATCH: gdk_cur = GDK_WATCH; break; |
| 78 | case wxCURSOR_SIZING: gdk_cur = GDK_SIZING; break; |
| 79 | case wxCURSOR_SPRAYCAN: gdk_cur = GDK_SPRAYCAN; break; |
| 80 | case wxCURSOR_IBEAM: gdk_cur = GDK_XTERM; break; |
| 81 | case wxCURSOR_PENCIL: gdk_cur = GDK_PENCIL; break; |
| 82 | case wxCURSOR_NO_ENTRY: gdk_cur = GDK_PIRATE; break; |
| 83 | case wxCURSOR_SIZENWSE: |
| 84 | case wxCURSOR_SIZENESW: gdk_cur = GDK_FLEUR; break; |
| 85 | case wxCURSOR_QUESTION_ARROW: gdk_cur = GDK_QUESTION_ARROW; break; |
| 86 | case wxCURSOR_PAINT_BRUSH: gdk_cur = GDK_SPRAYCAN; break; |
| 87 | case wxCURSOR_MAGNIFIER: gdk_cur = GDK_PLUS; break; |
| 88 | case wxCURSOR_CHAR: gdk_cur = GDK_XTERM; break; |
| 89 | case wxCURSOR_LEFT_BUTTON: gdk_cur = GDK_LEFTBUTTON; break; |
| 90 | case wxCURSOR_MIDDLE_BUTTON: gdk_cur = GDK_MIDDLEBUTTON; break; |
| 91 | case wxCURSOR_RIGHT_BUTTON: gdk_cur = GDK_RIGHTBUTTON; break; |
| 92 | case wxCURSOR_BULLSEYE: gdk_cur = GDK_TARGET; break; |
| 93 | |
| 94 | case wxCURSOR_POINT_LEFT: gdk_cur = GDK_SB_LEFT_ARROW; break; |
| 95 | case wxCURSOR_POINT_RIGHT: gdk_cur = GDK_SB_RIGHT_ARROW; break; |
| 96 | /* |
| 97 | case wxCURSOR_DOUBLE_ARROW: gdk_cur = GDK_DOUBLE_ARROW; break; |
| 98 | case wxCURSOR_CROSS_REVERSE: gdk_cur = GDK_CROSS_REVERSE; break; |
| 99 | case wxCURSOR_BASED_ARROW_UP: gdk_cur = GDK_BASED_ARROW_UP; break; |
| 100 | case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break; |
| 101 | */ |
| 102 | default: |
| 103 | wxFAIL_MSG(wxT("unsupported cursor type")); |
| 104 | // will use the standard one |
| 105 | |
| 106 | case wxCURSOR_ARROW: |
| 107 | break; |
| 108 | } |
| 109 | |
| 110 | M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur ); |
| 111 | } |
| 112 | |
| 113 | extern GtkWidget *wxGetRootWindow(); |
| 114 | |
| 115 | wxCursor::wxCursor(const char bits[], int width, int height, |
| 116 | int hotSpotX, int hotSpotY, |
| 117 | const char maskBits[], wxColour *fg, wxColour *bg) |
| 118 | { |
| 119 | if (!maskBits) |
| 120 | maskBits = bits; |
| 121 | if (!fg) |
| 122 | fg = wxBLACK; |
| 123 | if (!bg) |
| 124 | bg = wxWHITE; |
| 125 | if (hotSpotX < 0 || hotSpotX >= width) |
| 126 | hotSpotX = 0; |
| 127 | if (hotSpotY < 0 || hotSpotY >= height) |
| 128 | hotSpotY = 0; |
| 129 | |
| 130 | GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height ); |
| 131 | GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits, width, height); |
| 132 | |
| 133 | m_refData = new wxCursorRefData; |
| 134 | M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap( |
| 135 | data, mask, fg->GetColor(), bg->GetColor(), |
| 136 | hotSpotX, hotSpotY ); |
| 137 | |
| 138 | gdk_bitmap_unref( data ); |
| 139 | gdk_bitmap_unref( mask ); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | wxCursor::wxCursor( const wxCursor &cursor ) |
| 144 | { |
| 145 | Ref( cursor ); |
| 146 | } |
| 147 | |
| 148 | wxCursor::~wxCursor() |
| 149 | { |
| 150 | } |
| 151 | |
| 152 | wxCursor& wxCursor::operator = ( const wxCursor& cursor ) |
| 153 | { |
| 154 | if (*this == cursor) |
| 155 | return (*this); |
| 156 | |
| 157 | Ref( cursor ); |
| 158 | |
| 159 | return *this; |
| 160 | } |
| 161 | |
| 162 | bool wxCursor::operator == ( const wxCursor& cursor ) const |
| 163 | { |
| 164 | return m_refData == cursor.m_refData; |
| 165 | } |
| 166 | |
| 167 | bool wxCursor::operator != ( const wxCursor& cursor ) const |
| 168 | { |
| 169 | return m_refData != cursor.m_refData; |
| 170 | } |
| 171 | |
| 172 | bool wxCursor::Ok() const |
| 173 | { |
| 174 | return (m_refData != NULL); |
| 175 | } |
| 176 | |
| 177 | GdkCursor *wxCursor::GetCursor() const |
| 178 | { |
| 179 | return M_CURSORDATA->m_cursor; |
| 180 | } |
| 181 | |
| 182 | //----------------------------------------------------------------------------- |
| 183 | // busy cursor routines |
| 184 | //----------------------------------------------------------------------------- |
| 185 | |
| 186 | extern wxCursor g_globalCursor; |
| 187 | |
| 188 | static wxCursor gs_savedCursor; |
| 189 | static int gs_busyCount = 0; |
| 190 | |
| 191 | const wxCursor &wxBusyCursor::GetStoredCursor() |
| 192 | { |
| 193 | return gs_savedCursor; |
| 194 | } |
| 195 | |
| 196 | const wxCursor wxBusyCursor::GetBusyCursor() |
| 197 | { |
| 198 | return wxCursor(wxCURSOR_WATCH); |
| 199 | } |
| 200 | |
| 201 | void wxEndBusyCursor() |
| 202 | { |
| 203 | if (--gs_busyCount > 0) |
| 204 | return; |
| 205 | |
| 206 | wxSetCursor( gs_savedCursor ); |
| 207 | gs_savedCursor = wxNullCursor; |
| 208 | |
| 209 | if (wxTheApp) |
| 210 | wxTheApp->SendIdleEvents(); |
| 211 | } |
| 212 | |
| 213 | void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) ) |
| 214 | { |
| 215 | if (gs_busyCount++ > 0) |
| 216 | return; |
| 217 | |
| 218 | wxASSERT_MSG( !gs_savedCursor.Ok(), |
| 219 | wxT("forgot to call wxEndBusyCursor, will leak memory") ); |
| 220 | |
| 221 | gs_savedCursor = g_globalCursor; |
| 222 | |
| 223 | wxSetCursor( wxCursor(wxCURSOR_WATCH) ); |
| 224 | |
| 225 | if (wxTheApp) |
| 226 | wxTheApp->SendIdleEvents(); |
| 227 | |
| 228 | gdk_flush(); |
| 229 | } |
| 230 | |
| 231 | bool wxIsBusy() |
| 232 | { |
| 233 | return gs_busyCount > 0; |
| 234 | } |
| 235 | |
| 236 | void wxSetCursor( const wxCursor& cursor ) |
| 237 | { |
| 238 | if (g_isIdle) |
| 239 | wxapp_install_idle_handler(); |
| 240 | |
| 241 | g_globalCursor = cursor; |
| 242 | } |