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Bugfix: Correctly use base_width/base_height and size increment hints, correctly send fake configure notify events

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This commit is contained in:
Michael Stapelberg 2009-08-23 21:49:38 +02:00
parent d7403d2c32
commit 486d8d423c
4 changed files with 27 additions and 10 deletions
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3
include/data.h
View File

@ -346,6 +346,9 @@ struct Client {
int proportional_height;
int proportional_width;
int base_height;
int base_width;
/** contains the minimum increment size as specified for the window
* (in pixels). */
int width_increment;

18
src/handlers.c
View File

@ -1017,13 +1017,9 @@ int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_w
client->width_increment = size_hints.width_inc;
if (size_hints.height_inc > 0)
client->height_increment = size_hints.height_inc;
}
/* If no aspect ratio was set or if it was invalid, we ignore the hints */
if (!(size_hints.flags & XCB_SIZE_HINT_P_ASPECT) ||
(size_hints.min_aspect_num <= 0) ||
(size_hints.min_aspect_den <= 0)) {
return 1;
resize_client(conn, client);
xcb_flush(conn);
}
int base_width = 0, base_height = 0;
@ -1039,6 +1035,16 @@ int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_w
base_height = size_hints.min_height;
}
client->base_width = base_width;
client->base_height = base_height;
/* If no aspect ratio was set or if it was invalid, we ignore the hints */
if (!(size_hints.flags & XCB_SIZE_HINT_P_ASPECT) ||
(size_hints.min_aspect_num <= 0) ||
(size_hints.min_aspect_den <= 0)) {
return 1;
}
double width = client->rect.width - base_width;
double height = client->rect.height - base_height;
/* Convert numerator/denominator to a double */

12
src/layout.c
View File

@ -26,6 +26,7 @@
#include "layout.h"
#include "client.h"
#include "floating.h"
#include "handlers.h"
/*
* Updates *destination with new_value and returns true if it was changed or false
@ -288,14 +289,14 @@ void resize_client(xcb_connection_t *conn, Client *client) {
if (client->height_increment > 1) {
int old_height = rect->height;
rect->height = ((int)(rect->height / client->height_increment) * client->height_increment) + 1;
rect->height -= (rect->height - client->base_height) % client->height_increment;
LOG("Lost %d pixel due to client's height_increment (%d px)\n",
old_height - rect->height, client->height_increment);
}
if (client->width_increment > 1) {
int old_width = rect->width;
rect->width = ((int)(rect->width / client->width_increment) * client->width_increment) + 1;
rect->width -= (rect->width - client->base_width) % client->width_increment;
LOG("Lost %d pixel due to client's width_increment (%d px)\n",
old_width - rect->width, client->width_increment);
}
@ -308,6 +309,13 @@ void resize_client(xcb_connection_t *conn, Client *client) {
* This is necessary to inform the client of its position relative to the root window,
* not relative to its frame (as done in the configure_notify_event by the x server). */
fake_absolute_configure_notify(conn, client);
/* Force redrawing after resizing the window because any now lost
* pixels could contain old garbage. */
xcb_expose_event_t generated;
generated.window = client->frame;
generated.count = 0;
handle_expose_event(NULL, conn, &generated);
}
/*

4
src/xcb.c
View File

@ -193,8 +193,8 @@ void fake_absolute_configure_notify(xcb_connection_t *conn, Client *client) {
absolute.x = client->rect.x + client->child_rect.x;
absolute.y = client->rect.y + client->child_rect.y;
absolute.width = client->rect.width - (2 * client->child_rect.x);
absolute.height = client->rect.height - client->child_rect.y - 1;
absolute.width = client->child_rect.width;
absolute.height = client->child_rect.height;
fake_configure_notify(conn, absolute, client->child);
}