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Open_window(): Fix crash when trying to open window larger than screen

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it resulted in negative window position...
This commit is contained in:
Thomas Bernard 2018-11-10 17:20:52 +01:00
parent ea1a58d713
commit 0c6add67f5
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GPG Key ID: 0FF11B67A5C0863C
1 changed files with 27 additions and 6 deletions
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33
src/engine.c
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@ -1599,11 +1599,20 @@ void Main_handler(void)
//----------------------- Tracer une fenêtre d'options -----------------------
void Open_window(word width,word height, const char * title)
// Lors de l'appel à cette procédure, la souris doit être affichée.
// En sortie de cette procedure, la souris est effacée.
/**
* Open a GUI window
*
* @param width window width
* @param height window height
* @param title window title
*
* The mouse must be shown before calling this function. The mouse is hidden
* when the function returns.
*
* The function Close_window() must be called afterward.
*/
void Open_window(word width, word height, const char * title)
{
//word i,j;
size_t title_length;
Hide_cursor();
@ -1620,6 +1629,12 @@ void Open_window(word width,word height, const char * title)
Windows_open++;
// Limit the window size to the screen size
if (width > Screen_width)
width = Screen_width;
if (height > Screen_height)
height = Screen_height;
Window_width=width;
Window_height=height;
@ -1627,6 +1642,8 @@ void Open_window(word width,word height, const char * title)
Window_pos_X=(Screen_width-(width*Menu_factor_X))>>1;
Window_pos_Y=(Screen_height-(height*Menu_factor_Y))>>1;
GFX2_Log(GFX2_DEBUG, "Open_window(%d, %d, \"%s\") pos (%d,%d)\n", width, height, title, Window_pos_X, Window_pos_Y);
Window_draggable=1;
@ -1682,9 +1699,13 @@ void Open_window(word width,word height, const char * title)
//----------------------- Fermer une fenêtre d'options -----------------------
/**
* Close a window previously open with Open_window()
*
* The mouse must be shown when this functions is called.
* It is hidden when the function returns.
*/
void Close_window(void)
// Lors de l'appel à cette procedure, la souris doit être affichée.
// En sortie de cette procedure, la souris est effacée.
{
T_Normal_button * temp1;
T_Palette_button * temp2;