464 lines
18 KiB
C
464 lines
18 KiB
C
/*
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* mouse.c - mouse managing
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*
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* Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <math.h>
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#include <xcb/xcb.h>
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#include <xcb/xcb_aux.h>
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#include "mouse.h"
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#include "screen.h"
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#include "tag.h"
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#include "event.h"
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#include "client.h"
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#include "titlebar.h"
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#include "layouts/floating.h"
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#include "layouts/tile.h"
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#include "common/xscreen.h"
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#define MOUSEMASK (XCB_EVENT_MASK_BUTTON_PRESS \
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| XCB_EVENT_MASK_BUTTON_RELEASE \
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| XCB_EVENT_MASK_POINTER_MOTION)
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extern AwesomeConf globalconf;
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/** Snap an area to the outside of an area.
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* \param geometry geometry of the area to snap
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* \param snap_geometry geometry of snapping area
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* \param snap snap trigger in pixel
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* \return snapped geometry
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*/
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static area_t
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mouse_snapclienttogeometry_outside(area_t geometry, area_t snap_geometry, int snap)
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{
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if(geometry.x < snap + snap_geometry.x + snap_geometry.width
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&& geometry.x > snap_geometry.x + snap_geometry.width)
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geometry.x = snap_geometry.x + snap_geometry.width;
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else if(geometry.x + geometry.width < snap_geometry.x
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&& geometry.x + geometry.width > snap_geometry.x - snap)
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geometry.x = snap_geometry.x - geometry.width;
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if(geometry.y < snap + snap_geometry.y + snap_geometry.height
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&& geometry.y > snap_geometry.y + snap_geometry.height)
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geometry.y = snap_geometry.y + snap_geometry.height;
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else if(geometry.y + geometry.height < snap_geometry.y
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&& geometry.y + geometry.height > snap_geometry.y - snap)
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geometry.y = snap_geometry.y - geometry.height;
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return geometry;
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}
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/** Snap an area to the inside of an area.
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* \param geometry geometry of the area to snap
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* \param snap_geometry geometry of snapping area
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* \param snap snap trigger in pixel
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* \return snapped geometry
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*/
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static area_t
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mouse_snapclienttogeometry_inside(area_t geometry, area_t snap_geometry, int snap)
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{
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if(abs(geometry.x) < snap + snap_geometry.x && geometry.x > snap_geometry.x)
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geometry.x = snap_geometry.x;
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else if(abs((snap_geometry.x + snap_geometry.width) - (geometry.x + geometry.width))
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< snap)
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geometry.x = snap_geometry.x + snap_geometry.width - geometry.width;
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if(abs(geometry.y) < snap + snap_geometry.y && geometry.y > snap_geometry.y)
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geometry.y = snap_geometry.y;
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else if(abs((snap_geometry.y + snap_geometry.height) - (geometry.y + geometry.height))
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< snap)
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geometry.y = snap_geometry.y + snap_geometry.height - geometry.height;
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return geometry;
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}
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/** Snap a client with a futur geometry to the screen and other clients.
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* \param c the client
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* \param geometry geometry the client will get
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* \return geometry to set to the client
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*/
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static area_t
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mouse_snapclient(Client *c, area_t geometry)
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{
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Client *snapper;
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int snap = globalconf.screens[c->screen].snap;
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area_t snapper_geometry;
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area_t screen_geometry =
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screen_get_area(c->screen,
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globalconf.screens[c->screen].statusbar,
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&globalconf.screens[c->screen].padding);
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geometry = titlebar_geometry_add(&c->titlebar, geometry);
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geometry.width += 2 * c->border;
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geometry.height += 2 * c->border;
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geometry =
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mouse_snapclienttogeometry_inside(geometry, screen_geometry, snap);
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for(snapper = globalconf.clients; snapper; snapper = snapper->next)
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if(snapper != c && client_isvisible(c, c->screen))
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{
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snapper_geometry = snapper->geometry;
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snapper_geometry.width += 2 * c->border;
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snapper_geometry.height += 2 * c->border;
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snapper_geometry = titlebar_geometry_add(&snapper->titlebar,
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snapper_geometry);
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geometry =
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mouse_snapclienttogeometry_outside(geometry,
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snapper_geometry,
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snap);
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}
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geometry.width -= 2 * c->border;
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geometry.height -= 2 * c->border;
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return titlebar_geometry_remove(&c->titlebar, geometry);
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}
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/** Redraw the resizebar
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* \param ctx draw context
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* \param style the style to use for drawing
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* \param geometry the geometry to use for the box
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* \param border the client border size
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*/
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static void
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mouse_resizebar_draw(DrawCtx *ctx, style_t style, SimpleWindow *sw, area_t geometry, int border)
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{
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area_t draw_geometry = { 0, 0, ctx->width, ctx->height, NULL, NULL };
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char size[32];
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snprintf(size, sizeof(size), "%dx%d+%d+%d",
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geometry.x, geometry.y, geometry.width, geometry.height);
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draw_text(ctx, draw_geometry, AlignCenter, style.font->height / 2, size, style);
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simplewindow_move(sw,
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geometry.x + ((2 * border + geometry.width) - sw->geometry.width) / 2,
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geometry.y + ((2 * border + geometry.height) - sw->geometry.height) / 2);
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simplewindow_refresh_drawable(sw);
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}
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/** Initialize the resizebar window.
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* \param phys_screen physical screen id
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* \param border border size of the client
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* \param geometry client geometry
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* \param style style used to draw
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* \param ctx drawctx to create
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*/
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static SimpleWindow *
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mouse_resizebar_new(int phys_screen, int border, area_t geometry, style_t style, DrawCtx **ctx)
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{
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SimpleWindow *sw;
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area_t geom;
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geom.width = draw_textwidth(globalconf.connection,
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globalconf.default_screen,
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style.font,
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"0000x0000+0000+0000") + style.font->height;
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geom.height = 1.5 * style.font->height;
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geom.x = geometry.x + ((2 * border + geometry.width) - geom.width) / 2;
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geom.y = geometry.y + ((2 * border + geometry.height) - geom.height) / 2;
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sw = simplewindow_new(globalconf.connection, phys_screen,
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geom.x, geom.y,
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geom.width, geom.height, 0);
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*ctx = draw_context_new(globalconf.connection, sw->phys_screen,
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sw->geometry.width, sw->geometry.height,
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sw->drawable);
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xcb_map_window(globalconf.connection, sw->window);
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mouse_resizebar_draw(*ctx, style, sw, geometry, border);
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return sw;
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}
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/** Move the focused window with the mouse.
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* \param screen Screen ID
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* \param arg Unused
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* \ingroup ui_callback
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*/
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void
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uicb_client_movemouse(int screen, char *arg __attribute__ ((unused)))
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{
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int ocx, ocy, newscreen;
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area_t geometry;
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Client *c = globalconf.focus->client, *target;
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Layout *layout = layout_get_current(screen);
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SimpleWindow *sw = NULL;
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DrawCtx *ctx;
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style_t style;
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xcb_generic_event_t *ev = NULL;
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xcb_motion_notify_event_t *ev_motion = NULL;
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xcb_grab_pointer_reply_t *grab_pointer_r = NULL;
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xcb_grab_pointer_cookie_t grab_pointer_c;
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xcb_query_pointer_reply_t *query_pointer_r = NULL, *mquery_pointer_r = NULL;
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xcb_query_pointer_cookie_t query_pointer_c;
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xcb_screen_t *s = xcb_aux_get_screen(globalconf.connection, c->phys_screen);
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if(!c)
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return;
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/* Send pointer requests */
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grab_pointer_c = xcb_grab_pointer(globalconf.connection, false, s->root,
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MOUSEMASK, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
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s->root, globalconf.cursor[CurMove], XCB_CURRENT_TIME);
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query_pointer_c = xcb_query_pointer_unchecked(globalconf.connection, s->root);
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geometry = c->geometry;
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ocx = geometry.x;
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ocy = geometry.y;
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style = globalconf.screens[c->screen].styles.focus;
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/* Get responses */
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if(!(grab_pointer_r = xcb_grab_pointer_reply(globalconf.connection, grab_pointer_c, NULL)))
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return;
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c->ismax = false;
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p_delete(&grab_pointer_r);
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query_pointer_r = xcb_query_pointer_reply(globalconf.connection, query_pointer_c, NULL);
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if(c->isfloating || layout->arrange == layout_floating)
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{
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sw = mouse_resizebar_new(c->phys_screen, c->border, c->geometry, style, &ctx);
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xcb_aux_sync(globalconf.connection);
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}
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for(;;)
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{
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/* XMaskEvent allows to retrieve only specified events from
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* the queue and requeue the other events... */
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while((ev = xcb_wait_for_event(globalconf.connection)))
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{
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switch((ev->response_type & 0x7f))
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{
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case XCB_BUTTON_RELEASE:
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xcb_ungrab_pointer(globalconf.connection, XCB_CURRENT_TIME);
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if(sw)
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{
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draw_context_delete(&ctx);
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simplewindow_delete(&sw);
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}
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p_delete(&query_pointer_r);
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p_delete(&ev);
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return;
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case XCB_MOTION_NOTIFY:
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if(c->isfloating || layout->arrange == layout_floating)
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{
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ev_motion = (xcb_motion_notify_event_t *) ev;
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geometry.x = ocx + (ev_motion->event_x - query_pointer_r->root_x);
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geometry.y = ocy + (ev_motion->event_y - query_pointer_r->root_y);
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geometry = mouse_snapclient(c, geometry);
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c->ismoving = true;
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client_resize(c, geometry, false);
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c->ismoving = false;
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if(sw)
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mouse_resizebar_draw(ctx, style, sw, c->geometry, c->border);
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xcb_aux_sync(globalconf.connection);
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}
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else
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{
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query_pointer_c = xcb_query_pointer_unchecked(globalconf.connection, s->root);
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mquery_pointer_r = xcb_query_pointer_reply(globalconf.connection, query_pointer_c, NULL);
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if((newscreen = screen_get_bycoord(globalconf.screens_info, c->screen,
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mquery_pointer_r->root_x,
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mquery_pointer_r->root_y)) != c->screen)
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{
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move_client_to_screen(c, newscreen, true);
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globalconf.screens[c->screen].need_arrange = true;
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globalconf.screens[newscreen].need_arrange = true;
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layout_refresh();
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}
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if((target = client_get_bywin(globalconf.clients, mquery_pointer_r->child))
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&& target != c && !target->isfloating)
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{
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client_list_swap(&globalconf.clients, c, target);
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globalconf.screens[c->screen].need_arrange = true;
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layout_refresh();
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}
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p_delete(&mquery_pointer_r);
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}
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p_delete(&ev);
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while((ev = xcb_poll_for_event(globalconf.connection))
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&& (ev->response_type & 0x7f) == XCB_MOTION_NOTIFY)
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p_delete(&ev);
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break;
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default:
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xcb_handle_event(globalconf.evenths, ev);
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p_delete(&ev);
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break;
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}
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}
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}
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}
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/** Resize the focused window with the mouse.
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* \param screen Screen ID
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* \param arg Unused
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* \ingroup ui_callback
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*/
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void
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uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
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{
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int ocx = 0, ocy = 0, n;
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xcb_generic_event_t *ev = NULL;
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xcb_motion_notify_event_t *ev_motion = NULL;
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Client *c = globalconf.focus->client;
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Tag **curtags = tags_get_current(screen);
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Layout *layout = curtags[0]->layout;
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area_t area = { 0, 0, 0, 0, NULL, NULL }, geometry = { 0, 0, 0, 0, NULL, NULL };
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double mwfact;
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SimpleWindow *sw = NULL;
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DrawCtx *ctx = NULL;
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style_t style;
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xcb_grab_pointer_cookie_t grab_pointer_c;
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xcb_grab_pointer_reply_t *grab_pointer_r = NULL;
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xcb_screen_t *s = xcb_aux_get_screen(globalconf.connection, c->phys_screen);
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/* only handle floating and tiled layouts */
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if(!c || c->isfixed)
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return;
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style = globalconf.screens[c->screen].styles.focus;
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if(layout->arrange == layout_floating || c->isfloating)
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{
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ocx = c->geometry.x;
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ocy = c->geometry.y;
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c->ismax = false;
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sw = mouse_resizebar_new(c->phys_screen, c->border, c->geometry, style, &ctx);
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}
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else if (layout->arrange == layout_tile || layout->arrange == layout_tileleft
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|| layout->arrange == layout_tilebottom || layout->arrange == layout_tiletop)
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{
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for(n = 0, c = globalconf.clients; c; c = c->next)
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if(IS_TILED(c, screen))
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n++;
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if(n <= curtags[0]->nmaster) return;
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for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
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if(!c) return;
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area = screen_get_area(screen,
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globalconf.screens[c->screen].statusbar,
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&globalconf.screens[c->screen].padding);
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}
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else
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return;
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grab_pointer_c = xcb_grab_pointer(globalconf.connection, false, s->root,
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MOUSEMASK, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
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s->root, globalconf.cursor[CurResize], XCB_CURRENT_TIME);
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if(!(grab_pointer_r = xcb_grab_pointer_reply(globalconf.connection,
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grab_pointer_c, NULL)))
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return;
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p_delete(&grab_pointer_r);
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if(curtags[0]->layout->arrange == layout_tileleft)
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xcb_warp_pointer(globalconf.connection, XCB_NONE, c->win, 0, 0, 0, 0,
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0, c->geometry.height + c->border - 1);
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else if(curtags[0]->layout->arrange == layout_tiletop)
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xcb_warp_pointer(globalconf.connection, XCB_NONE, c->win, 0, 0, 0, 0,
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c->geometry.width + c->border - 1, 0);
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else
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xcb_warp_pointer(globalconf.connection, XCB_NONE, c->win, 0, 0, 0, 0,
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c->geometry.width + c->border - 1,
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c->geometry.height + c->border - 1);
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xcb_aux_sync(globalconf.connection);
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for(;;)
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{
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/* XMaskEvent allows to retrieve only specified events from
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* the queue and requeue the other events... */
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while(ev || (ev = xcb_wait_for_event(globalconf.connection)))
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{
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switch((ev->response_type & 0x7f))
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{
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case XCB_BUTTON_RELEASE:
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if(sw)
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{
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draw_context_delete(&ctx);
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simplewindow_delete(&sw);
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}
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xcb_ungrab_pointer(globalconf.connection, XCB_CURRENT_TIME);
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p_delete(&ev);
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p_delete(&curtags);
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return;
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case XCB_MOTION_NOTIFY:
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ev_motion = (xcb_motion_notify_event_t *) ev;
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if(layout->arrange == layout_floating || c->isfloating)
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{
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if((geometry.width = ev_motion->event_x - ocx - 2 * c->border + 1) <= 0)
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geometry.width = 1;
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if((geometry.height = ev_motion->event_y - ocy - 2 * c->border + 1) <= 0)
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geometry.height = 1;
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geometry.x = c->geometry.x;
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geometry.y = c->geometry.y;
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client_resize(c, geometry, true);
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if(sw)
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mouse_resizebar_draw(ctx, style, sw, c->geometry, c->border);
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xcb_aux_sync(globalconf.connection);
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}
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else if(layout->arrange == layout_tile || layout->arrange == layout_tileleft
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|| layout->arrange == layout_tiletop || layout->arrange == layout_tilebottom)
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{
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if(layout->arrange == layout_tile)
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mwfact = (double) (ev_motion->event_x - area.x) / area.width;
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else if(curtags[0]->layout->arrange == layout_tileleft)
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mwfact = 1 - (double) (ev_motion->event_x - area.x) / area.width;
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else if(curtags[0]->layout->arrange == layout_tilebottom)
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mwfact = (double) (ev_motion->event_y - area.y) / area.height;
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else
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mwfact = 1 - (double) (ev_motion->event_y - area.y) / area.height;
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mwfact = MAX(globalconf.screens[screen].mwfact_lower_limit,
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MIN(globalconf.screens[screen].mwfact_upper_limit, mwfact));
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if(fabs(curtags[0]->mwfact - mwfact) >= 0.01)
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{
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curtags[0]->mwfact = mwfact;
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globalconf.screens[screen].need_arrange = true;
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layout_refresh();
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}
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}
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p_delete(&ev);
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while((ev = xcb_poll_for_event(globalconf.connection))
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&& (ev->response_type & 0x7f) == XCB_MOTION_NOTIFY)
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p_delete(&ev);
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break;
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default:
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xcb_handle_event(globalconf.evenths, ev);
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p_delete(&ev);
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break;
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}
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}
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}
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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