145 lines
4.7 KiB
C
145 lines
4.7 KiB
C
/*
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* swindow.c - simple window handling functions
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*
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* Copyright © 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 <xcb/xcb.h>
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#include <xcb/xcb_aux.h>
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#include "common/swindow.h"
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/** Create a simple window
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* \param conn Connection ref
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* \param phys_screen physical screen id
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* \param x x coordinate
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* \param y y coordinate
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* \param w width
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* \param h height
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* \param border_width window's border width
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* \return pointer to a SimpleWindow
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*/
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SimpleWindow *
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simplewindow_new(xcb_connection_t *conn, int phys_screen, int x, int y,
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unsigned int w, unsigned int h,
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unsigned int border_width)
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{
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SimpleWindow *sw;
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xcb_screen_t *s = xcb_aux_get_screen(conn, phys_screen);
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uint32_t create_win_val[3];
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const uint32_t gc_mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
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const uint32_t gc_values[2] = { s->black_pixel, s->white_pixel };
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/* The default GC is just a newly created associated to the root
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* window */
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xcb_drawable_t gc_draw = s->root;
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sw = p_new(SimpleWindow, 1);
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sw->geometry.x = x;
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sw->geometry.y = y;
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sw->geometry.width = w;
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sw->geometry.height = h;
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sw->connection = conn;
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sw->phys_screen = phys_screen;
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create_win_val[0] = XCB_BACK_PIXMAP_PARENT_RELATIVE;
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create_win_val[1] = 1;
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create_win_val[2] = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
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XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_ENTER_WINDOW |
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XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_STRUCTURE_NOTIFY |
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XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_EXPOSURE;
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sw->window = xcb_generate_id(conn);
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xcb_create_window(conn, s->root_depth, sw->window, s->root, x, y, w, h,
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border_width, XCB_COPY_FROM_PARENT, s->root_visual,
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XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK,
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create_win_val);
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sw->drawable = xcb_generate_id(conn);
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xcb_create_pixmap(conn, s->root_depth, sw->drawable, s->root, w, h);
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sw->gc = xcb_generate_id(sw->connection);
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xcb_create_gc(sw->connection, sw->gc, gc_draw, gc_mask, gc_values);
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return sw;
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}
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/** Destroy a simple window and all its resources
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* \param sw the SimpleWindow to delete
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*/
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void
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simplewindow_delete(SimpleWindow **sw)
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{
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xcb_destroy_window((*sw)->connection, (*sw)->window);
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xcb_free_pixmap((*sw)->connection, (*sw)->drawable);
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p_delete(sw);
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}
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/** Move a simple window
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* \param sw the SimpleWindow to move
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* \param x x coordinate
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* \param y y coordinate
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*/
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void
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simplewindow_move(SimpleWindow *sw, int x, int y)
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{
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const uint32_t move_win_vals[] = { x, y };
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sw->geometry.x = x;
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sw->geometry.y = y;
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xcb_configure_window(sw->connection, sw->window,
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XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y,
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move_win_vals);
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}
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/** Resize a simple window
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* \param sw the SimpleWindow to resize
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* \param w new width
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* \param h new height
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*/
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void
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simplewindow_resize(SimpleWindow *sw, unsigned int w, unsigned int h)
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{
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xcb_screen_t *s = xcb_aux_get_screen(sw->connection, sw->phys_screen);
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const uint32_t resize_win_vals[] = { w, h };
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sw->geometry.width = w;
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sw->geometry.height = h;
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xcb_free_pixmap(sw->connection, sw->drawable);
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sw->drawable = xcb_generate_id(sw->connection);
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xcb_create_pixmap(sw->connection, s->root_depth, sw->drawable, s->root, w, h);
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xcb_configure_window(sw->connection, sw->window,
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XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
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resize_win_vals);
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}
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/** Refresh the window content
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* \param sw the SimpleWindow to refresh
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* \param phys_screen physical screen id
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*/
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void
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simplewindow_refresh_drawable(SimpleWindow *sw)
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{
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xcb_copy_area(sw->connection, sw->drawable,
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sw->window, sw->gc, 0, 0, 0, 0,
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sw->geometry.width,
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sw->geometry.height);
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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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