// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "cursor.h"
#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
#include "wx/cursor.h"
-#include "wx/gdicmn.h"
-#include "wx/icon.h"
#include "wx/app.h"
#include "wx/utils.h"
+#include "wx/list.h"
+#include "wx/window.h"
+#if wxUSE_IMAGE
+#include "wx/image.h"
+#endif
#ifdef __VMS__
#pragma message disable nosimpint
#include "wx/motif/private.h"
-#if !USE_SHARED_LIBRARIES
-IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxBitmap)
-IMPLEMENT_DYNAMIC_CLASS(wxXCursor, wxObject)
-#endif
+// Cursor for one display, so we can choose the correct one for
+// the current display.
+class wxXCursor
+{
+public:
+ WXDisplay* m_display;
+ WXCursor m_cursor;
+};
+
+WX_DECLARE_LIST(wxXCursor, wxXCursorList);
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxXCursorList);
+
+class WXDLLEXPORT wxCursorRefData: public wxObjectRefData
+{
+ friend class WXDLLEXPORT wxCursor;
+public:
+ wxCursorRefData();
+ ~wxCursorRefData();
+
+ wxXCursorList m_cursors; // wxXCursor objects, one per display
+ wxStockCursor m_cursorId; // wxWidgets standard cursor id
+};
+
+#define M_CURSORDATA ((wxCursorRefData *)m_refData)
+#define M_CURSORHANDLERDATA ((wxCursorRefData *)bitmap->m_refData)
+
+IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxObject)
wxCursorRefData::wxCursorRefData()
{
- m_width = 32; m_height = 32;
m_cursorId = wxCURSOR_NONE;
}
wxCursorRefData::~wxCursorRefData()
{
- wxNode* node = m_cursors.First();
+ wxXCursorList::compatibility_iterator node = m_cursors.GetFirst();
while (node)
{
- wxXCursor* c = (wxXCursor*) node->Data();
- // TODO: how to delete cursor?
- // XDestroyCursor((Display*) c->m_display, (Cursor) c->m_cursor); // ??
+ wxXCursor* c = node->GetData();
+ XFreeCursor((Display*) c->m_display, (Cursor) c->m_cursor);
delete c;
- node = node->Next();
+ node = node->GetNext();
}
}
{
}
-wxCursor::wxCursor(const char bits[], int width, int height,
- int hotSpotX, int hotSpotY, const char maskBits[])
+#if wxUSE_IMAGE
+wxCursor::wxCursor(const wxImage & image)
{
- m_refData = new wxCursorRefData;
+ unsigned char * rgbBits = image.GetData();
+ int w = image.GetWidth() ;
+ int h = image.GetHeight();
+ bool bHasMask = image.HasMask();
+ int imagebitcount = (w*h)/8;
+
+ unsigned char * bits = new unsigned char [imagebitcount];
+ unsigned char * maskBits = new unsigned char [imagebitcount];
+
+ int i, j, i8; unsigned char c, cMask;
+ for (i=0; i<imagebitcount; i++)
+ {
+ bits[i] = 0xff;
+ i8 = i * 8;
+
+ cMask = 0xfe; // 11111110
+ for (j=0; j<8; j++)
+ {
+ // possible overflow if we do the summation first ?
+ c = rgbBits[(i8+j)*3]/3 + rgbBits[(i8+j)*3+1]/3 + rgbBits[(i8+j)*3+2]/3;
+ //if average value is > mid grey
+ if (c>127)
+ bits[i] = bits[i] & cMask;
+ cMask = (cMask << 1) | 1;
+ }
+ }
+
+ if (bHasMask)
+ {
+ unsigned char
+ r = image.GetMaskRed(),
+ g = image.GetMaskGreen(),
+ b = image.GetMaskBlue();
+
+ for (i=0; i<imagebitcount; i++)
+ {
+ maskBits[i] = 0x0;
+ i8 = i * 8;
+
+ cMask = 0x1;
+ for (j=0; j<8; j++)
+ {
+ if (rgbBits[(i8+j)*3] != r || rgbBits[(i8+j)*3+1] != g || rgbBits[(i8+j)*3+2] != b)
+ maskBits[i] = maskBits[i] | cMask;
+ cMask = (cMask << 1);
+ }
+ }
+ }
+ else // no mask
+ {
+ for (i=0; i<imagebitcount; i++)
+ maskBits[i] = 0xFF;
+ }
+
+ int hotSpotX;
+ int hotSpotY;
+
+ if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
+ hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+ else
+ hotSpotX = 0;
+
+ if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
+ hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
+ else
+ hotSpotY = 0;
+
+ if (hotSpotX < 0 || hotSpotX >= w)
+ hotSpotX = 0;
+ if (hotSpotY < 0 || hotSpotY >= h)
+ hotSpotY = 0;
+
+ Create( (const char*)bits, w, h, hotSpotX, hotSpotY,
+ (const char*)maskBits );
+
+ delete[] bits;
+ delete[] maskBits;
+}
+#endif
+
+void wxCursor::Create(const char bits[], int width, int height,
+ int hotSpotX, int hotSpotY, const char maskBits[])
+{
+ if( !m_refData )
+ m_refData = new wxCursorRefData;
Display *dpy = (Display*) wxGetDisplay();
int screen_num = DefaultScreen (dpy);
Pixmap pixmap = XCreatePixmapFromBitmapData (dpy,
- RootWindow (dpy, DefaultScreen(dpy)),
+ RootWindow (dpy, screen_num),
(char*) bits, width, height,
1 , 0 , 1);
if (maskBits != NULL)
{
mask_pixmap = XCreatePixmapFromBitmapData (dpy,
- RootWindow (dpy, DefaultScreen(dpy)),
+ RootWindow (dpy, screen_num),
(char*) maskBits, width, height,
1 , 0 , 1);
}
+ Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotSpotX, hotSpotY );
+
+ XFreePixmap( dpy, pixmap );
+ if (mask_pixmap != None)
+ {
+ XFreePixmap( dpy, mask_pixmap );
+ }
+}
+
+void wxCursor::Create(WXPixmap pixmap, WXPixmap mask_pixmap,
+ int hotSpotX, int hotSpotY)
+{
+ if( !m_refData )
+ m_refData = new wxCursorRefData;
+
+ Display *dpy = (Display*) wxGetDisplay();
+ int screen_num = DefaultScreen (dpy);
+
XColor foreground_color;
XColor background_color;
foreground_color.pixel = BlackPixel(dpy, screen_num);
XQueryColor(dpy, cmap, &background_color);
Cursor cursor = XCreatePixmapCursor (dpy,
- pixmap,
- mask_pixmap,
+ (Pixmap)pixmap,
+ (Pixmap)mask_pixmap,
&foreground_color,
&background_color,
hotSpotX ,
hotSpotY);
- XFreePixmap( dpy, pixmap );
- if (mask_pixmap != None)
- {
- XFreePixmap( dpy, mask_pixmap );
- }
-
if (cursor)
{
wxXCursor *c = new wxXCursor;
c->m_cursor = (WXCursor) cursor;
c->m_display = (WXDisplay*) dpy;
M_CURSORDATA->m_cursors.Append(c);
- M_CURSORDATA->m_ok = TRUE;
- }
- else
- {
- M_CURSORDATA->m_ok = TRUE;
}
}
+wxCursor::wxCursor(const char bits[], int width, int height,
+ int hotSpotX, int hotSpotY, const char maskBits[])
+{
+ Create(bits, width, height, hotSpotX, hotSpotY, maskBits);
+}
+
wxCursor::wxCursor(const wxString& name, long flags, int hotSpotX, int hotSpotY)
{
// Must be an XBM file
int hotX = -1, hotY = -1;
unsigned int w, h;
- Pixmap pixmap;
+ Pixmap pixmap = None, mask_pixmap = None;
Display *dpy = (Display*) wxGetDisplay();
int screen_num = DefaultScreen (dpy);
- int value = XReadBitmapFile (dpy, RootWindow (dpy, DefaultScreen (dpy)),
- (char*) (const char*) name, &w, &h, &pixmap, &hotX, &hotY);
-
- M_BITMAPDATA->m_width = w;
- M_BITMAPDATA->m_height = h;
- M_BITMAPDATA->m_depth = 1;
+ int value = XReadBitmapFile (dpy, RootWindow (dpy, screen_num),
+ wxConstCast(name.c_str(), char),
+ &w, &h, &pixmap, &hotX, &hotY);
- if ((value == BitmapFileInvalid) ||
- (value == BitmapOpenFailed) ||
- (value == BitmapNoMemory))
- {
- }
- else
+ if (value == BitmapSuccess)
{
- XColor foreground_color;
- XColor background_color;
- foreground_color.pixel = BlackPixel(dpy, screen_num);
- background_color.pixel = WhitePixel(dpy, screen_num);
- Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
- XQueryColor(dpy, cmap, &foreground_color);
- XQueryColor(dpy, cmap, &background_color);
-
// TODO: how do we determine whether hotX, hotY were read correctly?
if (hotX < 0 || hotY < 0)
{
hotY = 0;
}
- Pixmap mask_pixmap = None;
- Cursor cursor = XCreatePixmapCursor (dpy,
- pixmap,
- mask_pixmap,
- &foreground_color,
- &background_color,
- hotX,
- hotY);
+ Create( (WXPixmap)pixmap, (WXPixmap)mask_pixmap, hotX, hotY );
XFreePixmap( dpy, pixmap );
- if (cursor)
- {
- wxXCursor *c = new wxXCursor;
-
- c->m_cursor = (WXCursor) cursor;
- c->m_display = (WXDisplay*) dpy;
- M_CURSORDATA->m_cursors.Append(c);
- M_CURSORDATA->m_ok = TRUE;
- }
}
-
}
// Cursors by stock number
{
m_refData = new wxCursorRefData;
M_CURSORDATA->m_cursorId = id;
- M_CURSORDATA->m_ok = TRUE;
-
- WXDisplay* display = wxGetDisplay();
- if (!display)
- return;
-
- WXCursor cursor = GetXCursor(display);
- if (cursor)
- {
- wxXCursor* c = new wxXCursor;
- c->m_cursor = cursor;
- c->m_display = wxGetDisplay();
- M_CURSORDATA->m_cursors.Append(c);
- M_CURSORDATA->m_ok = TRUE;
- }
}
wxCursor::~wxCursor()
{
}
+bool wxCursor::Ok() const
+{
+ return m_refData != NULL;
+}
+
// Motif-specific: create/get a cursor for the current display
-WXCursor wxCursor::GetXCursor(WXDisplay* display)
+WXCursor wxCursor::GetXCursor(WXDisplay* display) const
{
if (!M_CURSORDATA)
return (WXCursor) 0;
- wxNode* node = M_CURSORDATA->m_cursors.First();
+ wxXCursorList::compatibility_iterator node = M_CURSORDATA->m_cursors.GetFirst();
while (node)
{
- wxXCursor* c = (wxXCursor*) node->Data();
+ wxXCursor* c = node->GetData();
if (c->m_display == display)
return c->m_cursor;
- node = node->Next();
+ node = node->GetNext();
}
// No cursor for this display, so let's see if we're an id-type cursor.
}
// Make a cursor from standard id
-WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id)
+WXCursor wxCursor::MakeCursor(WXDisplay* display, wxStockCursor id) const
{
Display* dpy = (Display*) display;
Cursor cursor = (Cursor) 0;
+ int x_cur = -1;
switch (id)
{
- case wxCURSOR_WAIT:
- {
- cursor = XCreateFontCursor (dpy, XC_watch);
- break;
- }
- case wxCURSOR_CROSS:
- {
- cursor = XCreateFontCursor (dpy, XC_crosshair);
- break;
- }
- case wxCURSOR_CHAR:
- {
- // Nothing
- break;
- }
- case wxCURSOR_HAND:
- {
- cursor = XCreateFontCursor (dpy, XC_hand1);
- break;
- }
- case wxCURSOR_BULLSEYE:
- {
- cursor = XCreateFontCursor (dpy, XC_target);
- break;
- }
- case wxCURSOR_PENCIL:
- {
- cursor = XCreateFontCursor (dpy, XC_pencil);
- break;
- }
- case wxCURSOR_MAGNIFIER:
- {
- cursor = XCreateFontCursor (dpy, XC_sizing);
- break;
- }
- case wxCURSOR_IBEAM:
- {
- cursor = XCreateFontCursor (dpy, XC_xterm);
- break;
- }
- case wxCURSOR_NO_ENTRY:
- {
- cursor = XCreateFontCursor (dpy, XC_pirate);
- break;
- }
- case wxCURSOR_LEFT_BUTTON:
- {
- cursor = XCreateFontCursor (dpy, XC_leftbutton);
- break;
- }
- case wxCURSOR_RIGHT_BUTTON:
- {
- cursor = XCreateFontCursor (dpy, XC_rightbutton);
- break;
- }
- case wxCURSOR_MIDDLE_BUTTON:
- {
- cursor = XCreateFontCursor (dpy, XC_middlebutton);
- break;
- }
- case wxCURSOR_QUESTION_ARROW:
- {
- cursor = XCreateFontCursor (dpy, XC_question_arrow);
- break;
- }
- case wxCURSOR_SIZING:
- {
- cursor = XCreateFontCursor (dpy, XC_sizing);
- break;
- }
- case wxCURSOR_WATCH:
- {
- cursor = XCreateFontCursor (dpy, XC_watch);
- break;
- }
- case wxCURSOR_SPRAYCAN:
- {
- cursor = XCreateFontCursor (dpy, XC_spraycan);
- break;
- }
- case wxCURSOR_PAINT_BRUSH:
- {
- cursor = XCreateFontCursor (dpy, XC_spraycan);
- break;
- }
- case wxCURSOR_SIZENWSE:
- case wxCURSOR_SIZENESW:
- {
- // Not available in X
- cursor = XCreateFontCursor (dpy, XC_crosshair);
- break;
- }
- case wxCURSOR_SIZEWE:
- {
- cursor = XCreateFontCursor (dpy, XC_sb_h_double_arrow);
- break;
- }
- case wxCURSOR_SIZENS:
- {
- cursor = XCreateFontCursor (dpy, XC_sb_v_double_arrow);
- break;
- }
- case wxCURSOR_POINT_LEFT:
- {
- cursor = XCreateFontCursor (dpy, XC_sb_left_arrow);
- break;
- }
- case wxCURSOR_POINT_RIGHT:
- {
- cursor = XCreateFontCursor (dpy, XC_sb_right_arrow);
- break;
- }
+ case wxCURSOR_WAIT: x_cur = XC_watch; break;
+ case wxCURSOR_CROSS: x_cur = XC_crosshair; break;
+ case wxCURSOR_CHAR: return (WXCursor)cursor; break;
+ case wxCURSOR_HAND: x_cur = XC_hand1; break;
+ case wxCURSOR_BULLSEYE: x_cur = XC_target; break;
+ case wxCURSOR_PENCIL: x_cur = XC_pencil; break;
+ case wxCURSOR_MAGNIFIER: x_cur = XC_sizing; break;
+ case wxCURSOR_IBEAM: x_cur = XC_xterm; break;
+ case wxCURSOR_NO_ENTRY: x_cur = XC_pirate; break;
+ case wxCURSOR_LEFT_BUTTON: x_cur = XC_leftbutton; break;
+ case wxCURSOR_RIGHT_BUTTON: x_cur = XC_rightbutton; break;
+ case wxCURSOR_MIDDLE_BUTTON: x_cur = XC_middlebutton; break;
+ case wxCURSOR_QUESTION_ARROW: x_cur = XC_question_arrow; break;
+ case wxCURSOR_SIZING: x_cur = XC_sizing; break;
+ case wxCURSOR_WATCH: x_cur = XC_watch; break;
+ case wxCURSOR_SPRAYCAN: x_cur = XC_spraycan; break;
+ case wxCURSOR_PAINT_BRUSH: x_cur = XC_spraycan; break;
+ case wxCURSOR_SIZENWSE:
+ case wxCURSOR_SIZENESW: x_cur = XC_crosshair; break;
+ case wxCURSOR_SIZEWE: x_cur = XC_sb_h_double_arrow; break;
+ case wxCURSOR_SIZENS: x_cur = XC_sb_v_double_arrow; break;
+ case wxCURSOR_POINT_LEFT: x_cur = XC_sb_left_arrow; break;
+ case wxCURSOR_POINT_RIGHT: x_cur = XC_sb_right_arrow; break;
// (JD Huggins) added more stock cursors for X
// X-only cursors BEGIN
- case wxCURSOR_CROSS_REVERSE:
- {
- cursor = XCreateFontCursor(dpy, XC_cross_reverse);
- break;
- }
- case wxCURSOR_DOUBLE_ARROW:
- {
- cursor = XCreateFontCursor(dpy, XC_double_arrow);
- break;
- }
- case wxCURSOR_BASED_ARROW_UP:
- {
- cursor = XCreateFontCursor(dpy, XC_based_arrow_up);
- break;
- }
- case wxCURSOR_BASED_ARROW_DOWN:
- {
- cursor = XCreateFontCursor(dpy, XC_based_arrow_down);
- break;
- }
- default:
- case wxCURSOR_ARROW:
- {
- cursor = XCreateFontCursor (dpy, XC_top_left_arrow);
- break;
- }
- case wxCURSOR_BLANK:
- {
- GC gc;
- XGCValues gcv;
- Pixmap empty_pixmap;
- XColor blank_color;
-
- empty_pixmap = XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
- 16, 16, 1);
- gcv.function = GXxor;
- gc = XCreateGC (dpy,
- empty_pixmap,
- GCFunction,
- &gcv);
- XCopyArea (dpy,
+ case wxCURSOR_CROSS_REVERSE: x_cur = XC_cross_reverse; break;
+ case wxCURSOR_DOUBLE_ARROW: x_cur = XC_double_arrow; break;
+ case wxCURSOR_BASED_ARROW_UP: x_cur = XC_based_arrow_up; break;
+ case wxCURSOR_BASED_ARROW_DOWN: x_cur = XC_based_arrow_down; break;
+ case wxCURSOR_BLANK:
+ {
+ GC gc;
+ XGCValues gcv;
+ Pixmap empty_pixmap;
+ XColor blank_color;
+
+ empty_pixmap =
+ XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
+ 16, 16, 1);
+ gcv.function = GXxor;
+ gc = XCreateGC (dpy,
+ empty_pixmap,
+ GCFunction,
+ &gcv);
+ XCopyArea (dpy,
empty_pixmap,
empty_pixmap,
gc,
0, 0,
16, 16,
0, 0);
- XFreeGC (dpy, gc);
- cursor = XCreatePixmapCursor (dpy,
- empty_pixmap,
- empty_pixmap,
- &blank_color,
- &blank_color,
- 8, 8);
-
- break;
- }
+ XFreeGC (dpy, gc);
+ cursor = XCreatePixmapCursor (dpy,
+ empty_pixmap,
+ empty_pixmap,
+ &blank_color,
+ &blank_color,
+ 8, 8);
+
+ break;
+ }
+ case wxCURSOR_ARROW:
+ default: x_cur = XC_top_left_arrow; break;
}
+
+ if( x_cur == -1 )
+ return (WXCursor)cursor;
+
+ cursor = XCreateFontCursor (dpy, x_cur);
return (WXCursor) cursor;
}
}
+// ----------------------------------------------------------------------------
+// busy cursor stuff
+// ----------------------------------------------------------------------------
+
+static int wxBusyCursorCount = 0;
+
+// Helper function
+static void
+wxXSetBusyCursor (wxWindow * win, wxCursor * cursor)
+{
+ Display *display = (Display*) win->GetXDisplay();
+
+ Window xwin = (Window) win->GetXWindow();
+ if (!xwin)
+ return;
+
+ XSetWindowAttributes attrs;
+
+ if (cursor)
+ {
+ attrs.cursor = (Cursor) cursor->GetXCursor(display);
+ }
+ else
+ {
+ // Restore old cursor
+ if (win->GetCursor().Ok())
+ attrs.cursor = (Cursor) win->GetCursor().GetXCursor(display);
+ else
+ attrs.cursor = None;
+ }
+ if (xwin)
+ XChangeWindowAttributes (display, xwin, CWCursor, &attrs);
+
+ XFlush (display);
+
+ for(wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst (); node;
+ node = node->GetNext())
+ {
+ wxWindow *child = node->GetData ();
+ wxXSetBusyCursor (child, cursor);
+ }
+}
+
+// Set the cursor to the busy cursor for all windows
+void wxBeginBusyCursor(wxCursor *cursor)
+{
+ wxBusyCursorCount++;
+ if (wxBusyCursorCount == 1)
+ {
+ for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
+ node = node->GetNext())
+ {
+ wxWindow *win = node->GetData ();
+ wxXSetBusyCursor (win, cursor);
+ }
+ }
+}
+
+// Restore cursor to normal
+void wxEndBusyCursor()
+{
+ if (wxBusyCursorCount == 0)
+ return;
+
+ wxBusyCursorCount--;
+ if (wxBusyCursorCount == 0)
+ {
+ for(wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst (); node;
+ node = node->GetNext())
+ {
+ wxWindow *win = node->GetData ();
+ wxXSetBusyCursor (win, NULL);
+ }
+ }
+}
+
+// true if we're between the above two calls
+bool wxIsBusy()
+{
+ return (wxBusyCursorCount > 0);
+}
projects / wxWidgets.git / blobdiff