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Use drag_pointer from floating.c for the resize handler

This commit is contained in:
Michael Stapelberg 2009-06-24 17:40:34 +02:00
parent ee217523f1
commit 607b1d071e
3 changed files with 46 additions and 63 deletions
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17
include/floating.h
View File

@ -11,6 +11,12 @@
#ifndef _FLOATING_H
#define _FLOATING_H
/** Callback for dragging */
typedef void(*callback_t)(Rect*, uint32_t, uint32_t);
/** On which border was the dragging initiated? */
typedef enum { BORDER_LEFT, BORDER_RIGHT, BORDER_TOP, BORDER_BOTTOM} border_t;
/**
* Enters floating mode for the given client.
* Correctly takes care of the position/size (separately stored for tiling/floating mode)
@ -67,4 +73,15 @@ void floating_move(xcb_connection_t *conn, Client *currently_focused, direction_
*/
void floating_toggle_hide(xcb_connection_t *conn, Workspace *workspace);
/**
* This function grabs your pointer and lets you drag stuff around (borders).
* Every time you move your mouse, an XCB_MOTION_NOTIFY event will be received
* and the given callback will be called with the parameters specified (client,
* border on which the click originally was), the original rect of the client,
* the event and the new coordinates (x, y).
*
*/
void drag_pointer(xcb_connection_t *conn, Client *client, xcb_button_press_event_t *event,
xcb_window_t confine_to, border_t border, callback_t callback);
#endif

23
src/floating.c
View File

@ -25,15 +25,7 @@
#include "debug.h"
#include "layout.h"
#include "client.h"
/* On which border was the dragging initiated? */
typedef enum { BORDER_LEFT, BORDER_RIGHT, BORDER_TOP, BORDER_BOTTOM} border_t;
/* Callback for dragging */
typedef void(*callback_t)(Rect*, uint32_t, uint32_t);
/* Forward definitions */
static void drag_pointer(xcb_connection_t *conn, Client *client, xcb_button_press_event_t *event,
border_t border, callback_t callback);
#include "floating.h"
/*
* Toggles floating mode for the given client.
@ -238,7 +230,7 @@ int floating_border_click(xcb_connection_t *conn, Client *client, xcb_button_pre
LOG("border = %d\n", border);
drag_pointer(conn, client, event, border, resize_callback);
drag_pointer(conn, client, event, XCB_NONE, border, resize_callback);
return 1;
}
@ -264,7 +256,7 @@ void floating_drag_window(xcb_connection_t *conn, Client *client, xcb_button_pre
}
drag_pointer(conn, client, event, BORDER_TOP /* irrelevant */, drag_window_callback);
drag_pointer(conn, client, event, XCB_NONE, BORDER_TOP /* irrelevant */, drag_window_callback);
}
/*
@ -275,12 +267,13 @@ void floating_drag_window(xcb_connection_t *conn, Client *client, xcb_button_pre
* the event and the new coordinates (x, y).
*
*/
static void drag_pointer(xcb_connection_t *conn, Client *client, xcb_button_press_event_t *event,
border_t border, callback_t callback) {
void drag_pointer(xcb_connection_t *conn, Client *client, xcb_button_press_event_t *event,
xcb_window_t confine_to, border_t border, callback_t callback) {
xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
uint32_t new_x, new_y;
Rect old_rect;
memcpy(&old_rect, &(client->rect), sizeof(Rect));
if (client != NULL)
memcpy(&old_rect, &(client->rect), sizeof(Rect));
/* Grab the pointer */
/* TODO: returncode */
@ -290,7 +283,7 @@ static void drag_pointer(xcb_connection_t *conn, Client *client, xcb_button_pres
XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */
XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
XCB_GRAB_MODE_ASYNC, /* keyboard mode */
XCB_NONE, /* confine_to = in which window should the cursor stay */
confine_to, /* confine_to = in which window should the cursor stay */
XCB_NONE, /* don’t display a special cursor */
XCB_CURRENT_TIME);

69
src/resize.c
View File

@ -26,6 +26,7 @@
#include "layout.h"
#include "xinerama.h"
#include "config.h"
#include "floating.h"
/*
* Renders the resize window between the first/second container and resizes
@ -35,7 +36,6 @@
int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, int second,
resize_orientation_t orientation, xcb_button_press_event_t *event) {
int new_position;
xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
i3Screen *screen = get_screen_containing(event->root_x, event->root_y);
if (screen == NULL) {
@ -91,59 +91,32 @@ int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, i
xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, helpwin);
xcb_grab_pointer(conn, false, root, XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, grabwin, XCB_NONE, XCB_CURRENT_TIME);
xcb_flush(conn);
xcb_generic_event_t *inside_event;
/* I’ve always wanted to have my own eventhandler… */
while ((inside_event = xcb_wait_for_event(conn))) {
/* Same as get_event_handler in xcb */
int nr = inside_event->response_type;
if (nr == 0) {
/* An error occured */
handle_event(NULL, conn, inside_event);
free(inside_event);
continue;
void resize_callback(Rect *old_rect, uint32_t new_x, uint32_t new_y) {
LOG("new x = %d, y = %d\n", new_x, new_y);
if (orientation == O_VERTICAL) {
/* Check if the new coordinates are within screen boundaries */
if (new_x > (screen->rect.x + screen->rect.width) ||
new_x < screen->rect.x)
return;
values[0] = new_position = new_x;
xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_X, values);
} else {
if (new_y > (screen->rect.y + screen->rect.height) ||
new_y < screen->rect.y)
return;
values[0] = new_position = new_y;
xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_Y, values);
}
assert(nr < 256);
nr &= XCB_EVENT_RESPONSE_TYPE_MASK;
assert(nr >= 2);
/* Check if we need to escape this loop */
if (nr == XCB_BUTTON_RELEASE)
break;
switch (nr) {
case XCB_MOTION_NOTIFY: {
xcb_motion_notify_event_t *motion_event = (xcb_motion_notify_event_t*)inside_event;
if (orientation == O_VERTICAL) {
if (motion_event->root_x < (screen->rect.x + screen->rect.width) &&
motion_event->root_x > screen->rect.x) {
values[0] = new_position = ((xcb_motion_notify_event_t*)inside_event)->root_x;
xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_X, values);
} else {
LOG("Ignoring new position\n");
}
} else {
values[0] = new_position = ((xcb_motion_notify_event_t*)inside_event)->root_y;
xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_Y, values);
}
xcb_flush(conn);
break;
}
default:
LOG("Passing to original handler\n");
/* Use original handler */
xcb_event_handle(&evenths, inside_event);
break;
}
free(inside_event);
xcb_flush(conn);
}
xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
drag_pointer(conn, NULL, event, grabwin, BORDER_TOP, resize_callback);
xcb_destroy_window(conn, helpwin);
xcb_destroy_window(conn, grabwin);
xcb_flush(conn);