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Reorganise handling of WM_SIZE to fix two generality problems.

Browse Source 
Firstly, maximise and restore events were expected never to occur
during an interactive resize process (i.e. between WM_ENTERSIZEMOVE
and WM_EXITSIZEMOVE), but in fact Aero now allows this to happen if
you move the pointer to the top of the screen while dragging the
window.

Secondly, plain old WM_SIZE events were expected never to occur
_outside_ interactive resizes, but Aero permits that too (e.g.
Windows-left and Windows-right), and also third-party window
repositioning tools will send these.

[originally from svn r9040]
This commit is contained in:
Simon Tatham 2010-12-22 15:49:33 +00:00
parent 094459a7e6
commit 0b6407878a
1 changed files with 39 additions and 44 deletions
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83
windows/window.c
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@ -2750,55 +2750,50 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
width = LOWORD(lParam);
height = HIWORD(lParam);
if (!resizing) {
if (wParam == SIZE_MAXIMIZED && !was_zoomed) {
was_zoomed = 1;
prev_rows = term->rows;
prev_cols = term->cols;
if (cfg.resize_action == RESIZE_TERM) {
w = width / font_width;
if (w < 1) w = 1;
h = height / font_height;
if (h < 1) h = 1;
if (wParam == SIZE_MAXIMIZED && !was_zoomed) {
was_zoomed = 1;
prev_rows = term->rows;
prev_cols = term->cols;
if (cfg.resize_action == RESIZE_TERM) {
w = width / font_width;
if (w < 1) w = 1;
h = height / font_height;
if (h < 1) h = 1;
term_size(term, h, w, cfg.savelines);
}
reset_window(0);
} else if (wParam == SIZE_RESTORED && was_zoomed) {
was_zoomed = 0;
if (cfg.resize_action == RESIZE_TERM)
term_size(term, prev_rows, prev_cols, cfg.savelines);
if (cfg.resize_action != RESIZE_FONT)
reset_window(2);
else
reset_window(0);
}
/* This is an unexpected resize, these will normally happen
* if the window is too large. Probably either the user
* selected a huge font or the screen size has changed.
*
* This is also called with minimize.
*/
else reset_window(-1);
}
term_size(term, h, w, cfg.savelines);
}
reset_window(0);
} else if (wParam == SIZE_RESTORED && was_zoomed) {
was_zoomed = 0;
if (cfg.resize_action == RESIZE_TERM)
term_size(term, prev_rows, prev_cols, cfg.savelines);
if (cfg.resize_action != RESIZE_FONT)
reset_window(2);
else
reset_window(0);
} else if (wParam == SIZE_MINIMIZED) {
/* do nothing */
} else if (cfg.resize_action != RESIZE_FONT && !is_alt_pressed()) {
w = (width-cfg.window_border*2) / font_width;
if (w < 1) w = 1;
h = (height-cfg.window_border*2) / font_height;
if (h < 1) h = 1;
/*
* Don't call back->size in mid-resize. (To prevent
* massive numbers of resize events getting sent
* down the connection during an NT opaque drag.)
*/
if (resizing) {
if (cfg.resize_action != RESIZE_FONT && !is_alt_pressed()) {
if (resizing) {
/*
* Don't call back->size in mid-resize. (To
* prevent massive numbers of resize events
* getting sent down the connection during an NT
* opaque drag.)
*/
need_backend_resize = TRUE;
w = (width-cfg.window_border*2) / font_width;
if (w < 1) w = 1;
h = (height-cfg.window_border*2) / font_height;
if (h < 1) h = 1;
cfg.height = h;
cfg.width = w;
} else
reset_window(0);
} else {
term_size(term, h, w, cfg.savelines);
}
} else {
reset_window(0);
}
}
sys_cursor_update();