mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r7352) -Codechange: add widget_count parameter to the window.
-Codechange: check whether widget indices are valid for all the (Set|Is)WindowWidget(Disabled|Lowered|Hidden) and related functions.
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parent
7086936bab
commit
c02e39945e
4
window.c
4
window.c
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@ -316,6 +316,7 @@ void DeleteWindow(Window *w)
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SetWindowDirty(w);
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free(w->widget);
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w->widget = NULL;
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w->widget_count = 0;
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/* Find the window in the z-array, and effectively remove it
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* by moving all windows after it one to the left */
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@ -519,8 +520,10 @@ void AssignWidgetToWindow(Window *w, const Widget *widget)
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w->widget = realloc(w->widget, sizeof(*w->widget) * index);
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memcpy(w->widget, widget, sizeof(*w->widget) * index);
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w->widget_count = index - 1;
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} else {
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w->widget = NULL;
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w->widget_count = 0;
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}
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}
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@ -877,6 +880,7 @@ void UnInitWindowSystem(void)
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FOR_ALL_WINDOWS(wz) {
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free((*wz)->widget);
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(*wz)->widget = NULL;
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(*wz)->widget_count = 0;
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}
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}
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8
window.h
8
window.h
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@ -331,6 +331,7 @@ struct Window {
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ViewPort *viewport;
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const Widget *original_widget;
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Widget *widget;
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uint widget_count;
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uint32 desc_flags;
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WindowMessage message;
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@ -640,6 +641,7 @@ void DrawWindowViewport(const Window *w);
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*/
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static inline void SetWindowWidgetDisabledState(Window *w, byte widget_index, bool disab_stat)
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{
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assert(widget_index < w->widget_count);
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SB(w->widget[widget_index].display_flags, WIDG_DISABLED, 1, !!disab_stat);
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}
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@ -682,6 +684,7 @@ static inline bool IsWidgetDisabled(const Widget *wi)
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*/
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static inline bool IsWindowWidgetDisabled(Window *w, byte widget_index)
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{
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assert(widget_index < w->widget_count);
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return IsWidgetDisabled(&w->widget[widget_index]);
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}
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@ -695,6 +698,7 @@ static inline bool IsWindowWidgetDisabled(Window *w, byte widget_index)
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*/
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static inline void SetWindowWidgetHiddenState(Window *w, byte widget_index, bool hidden_stat)
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{
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assert(widget_index < w->widget_count);
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SB(w->widget[widget_index].display_flags, WIDG_HIDDEN, 1, !!hidden_stat);
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}
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@ -737,6 +741,7 @@ static inline bool IsWidgetHidden(const Widget *wi)
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*/
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static inline bool IsWindowWidgetHidden(Window *w, byte widget_index)
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{
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assert(widget_index < w->widget_count);
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return IsWidgetHidden(&w->widget[widget_index]);
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}
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@ -748,6 +753,7 @@ static inline bool IsWindowWidgetHidden(Window *w, byte widget_index)
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*/
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static inline void SetWindowWidgetLoweredState(Window *w, byte widget_index, bool lowered_stat)
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{
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assert(widget_index < w->widget_count);
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SB(w->widget[widget_index].display_flags, WIDG_LOWERED, 1, !!lowered_stat);
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}
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@ -758,6 +764,7 @@ static inline void SetWindowWidgetLoweredState(Window *w, byte widget_index, boo
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*/
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static inline void ToggleWidgetLoweredState(Window *w, byte widget_index)
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{
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assert(widget_index < w->widget_count);
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TOGGLEBIT(w->widget[widget_index].display_flags, WIDG_LOWERED);
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}
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@ -789,6 +796,7 @@ static inline void RaiseWindowWidget(Window *w, byte widget_index)
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*/
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static inline bool IsWindowWidgetLowered(Window *w, byte widget_index)
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{
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assert(widget_index < w->widget_count);
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return HASBIT(w->widget[widget_index].display_flags, WIDG_LOWERED);
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}
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