aboutsummaryrefslogtreecommitdiff
path: root/window.c
diff options
context:
space:
mode:
authorFederico Angelilli <code@fedang.net>2023-11-17 15:42:49 +0100
committerFederico Angelilli <code@fedang.net>2023-11-17 15:42:49 +0100
commitab92cac18652f72be12f68b5a96095ba8eb5afdf (patch)
treee52a5f295c7cda59e67a341fa87d25983bd56745 /window.c
parentf8363e89257e8b0a4ff71accbd7b6be22935274f (diff)
Reorganize project structure
Diffstat (limited to 'window.c')
-rw-r--r--window.c321
1 files changed, 0 insertions, 321 deletions
diff --git a/window.c b/window.c
deleted file mode 100644
index 734761a..0000000
--- a/window.c
+++ /dev/null
@@ -1,321 +0,0 @@
-#include <glib.h>
-#include <unistd.h>
-#include <math.h>
-#include <cairo.h>
-#include <cairo-xcb.h>
-#include <xcb/xcb.h>
-#include <xcb/xproto.h>
-#include <xcb/xcb_aux.h>
-#include <xcb/xcb_icccm.h>
-#include <xcb/xcb_ewmh.h>
-#include <xcb/xcb_xrm.h>
-#include <xcb/xcb_errors.h>
-#include <xcb/randr.h>
-#include <xcb/shape.h>
-
-#include "window.h"
-#include "log.h"
-
-static xcb_atom_t intern_atom(Window *win, const char *atom)
-{
- xcb_generic_error_t *error;
- xcb_intern_atom_cookie_t cookie = xcb_intern_atom(win->con->connection, false, strlen(atom), atom);
- xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(win->con->connection, cookie, &error);
-
- g_assert_null(error);
- xcb_atom_t id = reply->atom;
- g_free(reply);
- return id;
-}
-
-static void wm_set_size(Window *win)
-{
- xcb_size_hints_t hints;
- xcb_icccm_size_hints_set_size(&hints, false, win->width, win->height);
- xcb_icccm_size_hints_set_min_size(&hints, win->width, win->height);
- xcb_icccm_size_hints_set_max_size(&hints, win->width, win->height);
- xcb_icccm_size_hints_set_base_size(&hints, win->width, win->height);
- xcb_icccm_size_hints_set_position(&hints, false, win->x, win->y);
-
- xcb_icccm_set_wm_size_hints(win->con->connection, win->window, XCB_ATOM_WM_NORMAL_HINTS, &hints);
- log_debug("Xcb icccm updated size hints");
-}
-
-static void wm_set_struts(Window *win)
-{
- const uint32_t end = MAX(0, win->x + win->width - 1);
-
- const uint32_t values[12] = {
- 0, 0, win->height, 0, // left, right, top, bottom
- 0, 0, 0, 0, // left y0, left y1, right y0, right y1
- win->x, end, 0, 0, // top y0, top y1, bottom y0, bottom y1
- };
-
- xcb_change_property(win->con->connection,
- XCB_PROP_MODE_REPLACE,
- win->window,
- win->con->ewmh._NET_WM_STRUT,
- XCB_ATOM_CARDINAL,
- 32,
- 4,
- values);
-
- xcb_change_property(win->con->connection,
- XCB_PROP_MODE_REPLACE,
- win->window,
- win->con->ewmh._NET_WM_STRUT_PARTIAL,
- XCB_ATOM_CARDINAL,
- 32,
- 12,
- values);
-
- log_debug("Xcb ewmh struts updated");
-}
-
-static void wm_setup(Window *win)
-{
- const char *title = "comet";
- xcb_icccm_set_wm_name(win->con->connection, win->window, XCB_ATOM_STRING, 8, strlen(title), title);
- log_debug("Window updated title [%s]", title);
-
- const char class[] = "comet\0Comet";
- xcb_icccm_set_wm_class(win->con->connection, win->window, strlen(class), class);
- log_debug("Window updated class [%s]", "comet\\0Comet");
-
- xcb_generic_error_t *error;
- xcb_intern_atom_cookie_t *ewmh_cookie = xcb_ewmh_init_atoms(win->con->connection, &win->con->ewmh);
-
- g_assert_true(xcb_ewmh_init_atoms_replies(&win->con->ewmh, ewmh_cookie, &error));
- g_assert_null(error);
- log_debug("Xcb ewmh connected");
-
- xcb_ewmh_set_wm_window_type(&win->con->ewmh, win->window, 1, &win->con->ewmh._NET_WM_WINDOW_TYPE_DOCK);
-
- xcb_atom_t state[] = {
- win->con->ewmh._NET_WM_STATE_STICKY,
- win->con->ewmh._NET_WM_STATE_ABOVE
- };
- xcb_ewmh_set_wm_state(&win->con->ewmh, win->window, G_N_ELEMENTS(state), state);
-
- xcb_ewmh_set_wm_desktop(&win->con->ewmh, win->window, 0xFFFFFFFF);
-
- xcb_ewmh_set_wm_pid(&win->con->ewmh, win->window, getpid());
-
- wm_set_size(win);
-
- wm_set_struts(win);
-}
-
-Window *window_create(Connection *con)
-{
- Window *win = g_malloc0(sizeof(Window));
- g_assert_nonnull(win);
- win->con = con;
-
- const uint32_t value_mask = XCB_CW_BACK_PIXMAP | XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
- | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
-
- const uint32_t event_mask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_STRUCTURE_NOTIFY
- | XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_FOCUS_CHANGE
- | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_BUTTON_PRESS;
-
- xcb_colormap_t colormap = xcb_generate_id(con->connection);
- xcb_create_colormap(con->connection, XCB_COLORMAP_ALLOC_NONE, colormap, con->screen->root, con->visual_type->visual_id);
- log_debug("Xcb colormap created [id=%u]", colormap);
-
- const uint32_t value_list[] = {
- XCB_NONE, // back pixmap
- 0x00000000, // back pixel
- 0x00000000, // border pixel
- true, // override redirect
- event_mask, // event mask
- colormap // colormap
- };
-
- win->width = win->height = 1;
- log_debug("Window temporary size [width=%d, height=%d]", win->width, win->height);
-
- win->x = win->y = 0;
- log_debug("Window temporary position [x=%d, y=%d]", win->x, win->y);
-
- win->window = xcb_generate_id(con->connection);
- xcb_create_window(con->connection,
- con->screen_depth,
- win->window,
- con->screen->root,
- win->x, win->y,
- win->width, win->height,
- 0, // border
- XCB_WINDOW_CLASS_COPY_FROM_PARENT,
- con->visual_type->visual_id,
- value_mask,
- value_list);
-
- log_debug("Xcb window created [id=%u]", win->window);
-
- wm_setup(win);
- log_debug("Window wm options completed");
-
- xcb_map_window(con->connection, win->window);
- xcb_flush(con->connection);
- log_debug("Xcb initialized");
-
- win->surface = cairo_xcb_surface_create(con->connection,
- win->window,
- con->visual_type,
- con->screen_size->width,
- con->screen_size->height);
-
- g_assert_cmpint(cairo_surface_status(win->surface), ==, CAIRO_STATUS_SUCCESS);
- log_debug("Cairo surface created");
-
- win->cr = cairo_create(win->surface);
- g_assert_cmpint(cairo_status(win->cr), ==, CAIRO_STATUS_SUCCESS);
- log_debug("Cairo context created");
-
- return win;
-}
-
-cairo_t *window_get_context(Window *win)
-{
- return win->cr;
-}
-
-double window_get_scale(Window *win)
-{
- return MAX(1, win->con->screen_dpi/96.);
-}
-
-void window_get_screen_size(Window *win, int *width, int *height)
-{
- *width = win->con->screen_size->width;
- *height = win->con->screen_size->height;
-}
-
-void window_set_opacity(Window *win, double alpha)
-{
- // Value between 0 and 1
- g_assert_true(alpha >= 0 && alpha <= 1);
- unsigned long opacity = 0xffffffff * alpha;
-
- xcb_atom_t _NET_WM_WINDOW_OPACITY = intern_atom(win, "_NET_WM_WINDOW_OPACITY");
- xcb_change_property(win->con->connection,
- XCB_PROP_MODE_REPLACE,
- win->window,
- _NET_WM_WINDOW_OPACITY,
- XCB_ATOM_CARDINAL,
- 32,
- 1,
- (char *)&opacity);
-
- log_debug("Window updated opacity [%.2lf%%]", alpha * 100.0);
-
-}
-
-void window_move(Window *win, int x, int y)
-{
- if (win->x == x && win->y == y) return;
-
- win->x = x;
- win->y = y;
-
- const uint32_t values[] = { x, y };
- xcb_configure_window(win->con->connection,
- win->window,
- XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y,
- values);
-
- log_debug("Window updated position [x=%d, y=%d]", win->x, win->y);
-}
-
-void window_resize(Window *win, int width, int height)
-{
- if (win->width == width && win->height == height) return;
-
- win->width = width;
- win->height = height;
-
- const uint32_t values[] = { width, height };
- xcb_configure_window(win->con->connection,
- win->window,
- XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
- values);
-
- log_debug("Window updated size [width=%d, height=%d]", win->width, win->height);
-
- wm_set_size(win);
-}
-
-static void window_paint_corners(Window *win)
-{
- // TODO: Actually make this a parameter
- int radius = win->height / 2;
- double degree = M_PI / 180.0;
-
- // TODO: Check this value
- int depth = 1;
-
- xcb_pixmap_t bitmap = xcb_generate_id(win->con->connection);
- xcb_create_pixmap(win->con->connection, depth, bitmap, win->window, win->width, win->height);
- log_debug("Xcb pixmap created [id=%u]", bitmap);
-
- cairo_surface_t *surface = cairo_xcb_surface_create_for_bitmap(win->con->connection,
- win->con->screen,
- bitmap,
- win->width,
- win->height);
-
- cairo_t *cr = cairo_create(surface);
-
- // TODO: Fix antialiasing situation
- //cairo_set_antialias(cr, CAIRO_ANTIALIAS_GOOD);
-
- cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
- cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
-
- cairo_set_source_rgba(cr, 0, 0, 0, 0);
- cairo_paint(cr);
-
- cairo_set_source_rgba(cr, 1, 1, 1, 1);
- cairo_arc(cr, radius, radius, radius, 90.0 * degree, 270 * degree);
- cairo_arc(cr, win->width - radius, radius, radius, 270 * degree, 450 * degree);
- cairo_fill(cr);
-
- log_debug("Xcb shape painted");
-
- cairo_show_page(cr);
- cairo_destroy(cr);
- cairo_surface_flush(surface);
- cairo_surface_destroy(surface);
-
- xcb_shape_mask(win->con->connection, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, win->window, 0, 0, bitmap);
- xcb_shape_select_input(win->con->connection, win->window, XCB_SHAPE_NOTIFY);
- log_debug("Xcb shape mask configured");
-
- xcb_free_pixmap(win->con->connection, bitmap);
-}
-
-void window_paint_surface(Window *win, cairo_surface_t *surface, int width, int height)
-{
- cairo_xcb_surface_set_size(win->surface, width, height);
- xcb_clear_area(win->con->connection, false, win->window, 0, 0, 0, 0);
-
- cairo_set_source_surface(win->cr, surface, 0, 0);
- cairo_paint(win->cr);
- cairo_show_page(win->cr);
-
- window_paint_corners(win);
-
- xcb_circulate_window(win->con->connection, XCB_CIRCULATE_RAISE_LOWEST, win->window);
- xcb_flush(win->con->connection);
-}
-
-void window_destroy(Window *win)
-{
- cairo_destroy(win->cr);
- cairo_surface_destroy(win->surface);
-
- g_free(win);
-}
-
-// vim: ts=4 sw=4 et