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Code Issues

(svn r12694) -Fix: do not call the mouse over callback on already deleted windows.

release/0.7
rubidium 2008-04-13 19:06:30 +00:00
parent 2310557716
commit 04138ddffc
1 changed files with 12 additions and 7 deletions
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19
src/window.cpp
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@ -22,7 +22,8 @@
#include "table/sprites.h"
static Point _drag_delta; //< delta between mouse cursor and upper left corner of dragged window
static Point _drag_delta; ///< delta between mouse cursor and upper left corner of dragged window
static Window *_mouseover_last_w = NULL; ///< Window of the last MOUSEOVER event
static Window _windows[MAX_NUMBER_OF_WINDOWS];
@ -423,6 +424,9 @@ void DeleteWindow(Window *w)
w->widget_count = 0;
w->parent = NULL;
/* Prevent Mouseover() from resetting mouse-over coordinates on a non-existing window */
if (_mouseover_last_w == w) _mouseover_last_w = NULL;
/* Find the window in the z-array, and effectively remove it
* by moving all windows after it one to the left */
Window **wz = FindWindowZPosition(w);
@ -1197,20 +1201,21 @@ static bool HandlePopupMenu()
static bool HandleMouseOver()
{
Window *w;
WindowEvent e;
static Window *last_w = NULL;
w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
Window *w = FindWindowFromPt(_cursor.pos.x, _cursor.pos.y);
/* We changed window, put a MOUSEOVER event to the last window */
if (last_w != NULL && last_w != w) {
if (_mouseover_last_w != NULL && _mouseover_last_w != w) {
/* Reset mouse-over coordinates of previous window */
e.event = WE_MOUSEOVER;
e.we.mouseover.pt.x = -1;
e.we.mouseover.pt.y = -1;
if (last_w->wndproc) last_w->wndproc(last_w, &e);
if (_mouseover_last_w->wndproc != NULL) _mouseover_last_w->wndproc(_mouseover_last_w, &e);
}
last_w = w;
/* _mouseover_last_w will get reset when the window is deleted, see DeleteWindow() */
_mouseover_last_w = w;
if (w != NULL) {
/* send an event in client coordinates. */