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Added feature - Mouse cursor is restricted to minimap when dragged

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This commit is contained in:
jsalmon3 2002-04-09 21:37:13 +00:00
parent 07bad31eab
commit 7a31b51c1a
1 changed files with 44 additions and 0 deletions

44
src/ui/mouse.cpp
View file

@ -582,6 +582,37 @@ global void HandleMouseExit(void)
GameCursor = TheUI.Point.Cursor;
}
/**
** Restrict mouse cursor to minimap
*/
local void RestrictCursorToMinimap(void)
{
if( CursorX<TheUI.MinimapX+24 ) {
CursorStartX=TheUI.MinimapX+24;
}
else if( CursorX>=TheUI.MinimapX+24+MINIMAP_W ) {
CursorStartX=TheUI.MinimapX+24+MINIMAP_W-1;
}
else {
CursorStartX=CursorX;
}
if( CursorY<TheUI.MinimapY+2 ) {
CursorStartY=TheUI.MinimapY+2;
}
else if( CursorY>=TheUI.MinimapY+2+MINIMAP_H ) {
CursorStartY=TheUI.MinimapY+2+MINIMAP_H-1;
}
else {
CursorStartY=CursorY;
}
CursorX=TheUI.WarpX=CursorStartX;
CursorY=TheUI.WarpY=CursorStartY;
CursorOn=CursorOnMinimap;
}
/**
** Handle movement of the cursor.
**
@ -592,7 +623,9 @@ global void UIHandleMouseMove(int x,int y)
{
int mx;
int my;
enum _cursor_on_ OldCursorOn;
OldCursorOn=CursorOn;
//
// Selecting units.
//
@ -646,6 +679,15 @@ global void UIHandleMouseMove(int x,int y)
HandleMouseOn(x,y);
DebugLevel3("MouseOn %d\n",CursorOn);
// Restrict mouse to minimap when dragging
if( OldCursorOn==CursorOnMinimap && CursorOn!=CursorOnMinimap &&
(MouseButtons&LeftButton) ) {
RestrictCursorToMinimap();
MapSetViewpoint(ScreenMinimap2MapX(CursorX)-MapWidth/2
,ScreenMinimap2MapY(CursorY)-MapHeight/2);
return;
}
//
// User may be draging with button pressed.
//
@ -732,6 +774,8 @@ global void UIHandleMouseMove(int x,int y)
//
MapSetViewpoint(ScreenMinimap2MapX(CursorX)-MapWidth/2
,ScreenMinimap2MapY(CursorY)-MapHeight/2);
CursorStartX=CursorX;
CursorStartY=CursorY;
return;
}
}