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conhost: Don't create bitmap for hidden windows. 

Fixes performance issues in ConEmu.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-12-16 22:18:03 +01:00 committed by Alexandre Julliard
parent 0fb7ea9120
commit 9e62d7d257
1 changed files with 12 additions and 2 deletions
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14
programs/conhost/window.c
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@ -385,7 +385,7 @@ static void fill_mem_dc( struct console *console, const RECT *update )
INT *dx;
RECT r;
if (!console->window->font)
if (!console->window->font || !console->window->bitmap)
return;
if (!(line = malloc( (update->right - update->left + 1) * sizeof(WCHAR))) ) return;
@ -479,7 +479,7 @@ static void update_window( struct console *console )
if (console->window->sb_width != console->active->width ||
console->window->sb_height != console->active->height ||
!console->window->bitmap)
(!console->window->bitmap && IsWindowVisible( console->win )))
{
console->window->sb_width = console->active->width;
console->window->sb_height = console->active->height;
@ -2189,6 +2189,16 @@ static LRESULT WINAPI window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lp
break;
}
case WM_SHOWWINDOW:
if (wparam)
update_window( console );
else
{
if (console->window->bitmap) DeleteObject( console->window->bitmap );
console->window->bitmap = NULL;
}
break;
case WM_KEYDOWN:
case WM_KEYUP:
if (console->window->in_selection)