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rofi/source/xcb/view.c

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/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2020 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
/** The Rofi View log domain */
#define G_LOG_DOMAIN "View"
#include <config.h>
#include <errno.h>
#include <locale.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#ifdef XCB_IMDKIT
#include <xcb-imdkit/encoding.h>
#endif
#include <xcb/xcb_ewmh.h>
#include <xcb/xcb_icccm.h>
#include <xcb/xkb.h>
#include <xkbcommon/xkbcommon-x11.h>
#include <cairo-xcb.h>
#include <cairo.h>
#include <gio/gio.h>
/** Indicated we understand the startup notification api is not yet stable.*/
#define SN_API_NOT_YET_FROZEN
#include "rofi.h"
#include <libsn/sn.h>
#include "settings.h"
#include "timings.h"
#include "modes/modes.h"
#include "display.h"
#include "helper-theme.h"
#include "helper.h"
#include "mode.h"
#include "xcb-internal.h"
#include "xrmoptions.h"
#include "view-internal.h"
#include "view.h"
#include "theme.h"
#include "xcb.h"
static int xcb_rofi_view_calculate_window_height(RofiViewState *state);
static void xcb_rofi_view_set_window_title(const char *title);
static void xcb_rofi_view_queue_redraw(void);
#ifdef XCB_IMDKIT
static void xim_commit_string(xcb_xim_t *im, G_GNUC_UNUSED xcb_xic_t ic,
G_GNUC_UNUSED uint32_t flag, char *str,
uint32_t length, G_GNUC_UNUSED uint32_t *keysym,
G_GNUC_UNUSED size_t nKeySym,
G_GNUC_UNUSED void *user_data);
static void xim_disconnected(G_GNUC_UNUSED xcb_xim_t *im,
G_GNUC_UNUSED void *user_data);
xcb_xim_im_callback xim_callback = {.forward_event =
x11_event_handler_fowarding,
.commit_string = xim_commit_string,
.disconnected = xim_disconnected};
#endif
/** Thread pool used for filtering */
extern GThreadPool *tpool;
/**
* Structure holding cached state.
*/
static struct {
/** surface containing the fake background. */
cairo_surface_t *fake_bg;
/** Draw context for main window */
xcb_gcontext_t gc;
/** Main X11 side pixmap to draw on. */
xcb_pixmap_t edit_pixmap;
/** Cairo Surface for edit_pixmap */
cairo_surface_t *edit_surf;
/** Drawable context for edit_surf */
cairo_t *edit_draw;
/** Indicate that fake background should be drawn relative to the window */
int fake_bgrel;
/** Current work area */
workarea mon;
/** timeout for reloading */
guint idle_timeout;
/** debug counter for redraws */
unsigned long long count;
/** redraw idle time. */
guint repaint_source;
/** Window fullscreen */
gboolean fullscreen;
/** Cursor type */
X11CursorType cursor_type;
} XcbState = {
.fake_bg = NULL,
.edit_surf = NULL,
.edit_draw = NULL,
.fake_bgrel = FALSE,
.idle_timeout = 0,
.count = 0L,
.repaint_source = 0,
.fullscreen = FALSE,
};
static void xcb_rofi_view_get_current_monitor(int *width, int *height) {
if (width) {
*width = XcbState.mon.w;
}
if (height) {
*height = XcbState.mon.h;
}
}
/**
* Stores a screenshot of Rofi at that point in time.
*/
static void xcb_rofi_view_capture_screenshot(void) {
const char *outp = g_getenv("ROFI_PNG_OUTPUT");
if (XcbState.edit_surf == NULL) {
// Nothing to store.
g_warning("There is no rofi surface to store");
return;
}
const char *xdg_pict_dir = g_get_user_special_dir(G_USER_DIRECTORY_PICTURES);
if (outp == NULL && xdg_pict_dir == NULL) {
g_warning("XDG user picture directory or ROFI_PNG_OUTPUT is not set. "
"Cannot store screenshot.");
return;
}
// Get current time.
GDateTime *now = g_date_time_new_now_local();
// Format filename.
char *timestmp = g_date_time_format(now, "rofi-%Y-%m-%d-%H%M");
char *filename = g_strdup_printf("%s-%05d.png", timestmp, 0);
// Build full path
char *fpath = NULL;
if (outp == NULL) {
int index = 0;
fpath = g_build_filename(xdg_pict_dir, filename, NULL);
while (g_file_test(fpath, G_FILE_TEST_EXISTS) && index < 99999) {
g_free(fpath);
g_free(filename);
// Try the next index.
index++;
// Format filename.
filename = g_strdup_printf("%s-%05d.png", timestmp, index);
// Build full path
fpath = g_build_filename(xdg_pict_dir, filename, NULL);
}
} else {
fpath = g_strdup(outp);
}
fprintf(stderr, color_green "Storing screenshot %s\n" color_reset, fpath);
cairo_status_t status = cairo_surface_write_to_png(XcbState.edit_surf, fpath);
if (status != CAIRO_STATUS_SUCCESS) {
g_warning("Failed to produce screenshot '%s', got error: '%s'", fpath,
cairo_status_to_string(status));
}
g_free(fpath);
g_free(filename);
g_free(timestmp);
g_date_time_unref(now);
}
/**
* Code used for benchmarking drawing the gui, this will keep updating the UI as
* fast as possible.
*/
gboolean do_bench = TRUE;
/**
* Internal structure that hold benchmarking information.
*/
static struct {
/** timer used for timestamping. */
GTimer *time;
/** number of draws done. */
uint64_t draws;
/** previous timestamp */
double last_ts;
/** minimum draw time. */
double min;
} BenchMark = {.time = NULL, .draws = 0, .last_ts = 0.0, .min = G_MAXDOUBLE};
static gboolean bench_update(void) {
if (!config.benchmark_ui) {
return FALSE;
}
BenchMark.draws++;
if (BenchMark.time == NULL) {
BenchMark.time = g_timer_new();
}
if ((BenchMark.draws & 1023) == 0) {
double ts = g_timer_elapsed(BenchMark.time, NULL);
double fps = 1024 / (ts - BenchMark.last_ts);
if (fps < BenchMark.min) {
BenchMark.min = fps;
}
printf("current: %.2f fps, avg: %.2f fps, min: %.2f fps, %lu draws\r\n",
fps, BenchMark.draws / ts, BenchMark.min, BenchMark.draws);
BenchMark.last_ts = ts;
}
return TRUE;
}
static gboolean xcb_rofi_view_repaint(G_GNUC_UNUSED void *data) {
RofiViewState *state = rofi_view_get_active();
if (state) {
// Repaint the view (if needed).
// After a resize the edit_pixmap surface might not contain anything
// anymore. If we already re-painted, this does nothing.
TICK_N("Update start");
rofi_view_update(state, FALSE);
g_debug("expose event");
TICK_N("Expose");
xcb_copy_area(xcb->connection, XcbState.edit_pixmap, CacheState.main_window,
XcbState.gc, 0, 0, 0, 0, state->width, state->height);
xcb_flush(xcb->connection);
TICK_N("flush");
XcbState.repaint_source = 0;
}
return (bench_update() == TRUE) ? G_SOURCE_CONTINUE : G_SOURCE_REMOVE;
}
/**
* @param state The handle to the view
* @param qr Indicate if queue_redraw should be called on changes.
*
* Update the state of the view. This involves filter state.
*/
static void xcb_rofi_view_update(RofiViewState *state, gboolean qr) {
if (!widget_need_redraw(WIDGET(state->main_window))) {
return;
}
g_debug("Redraw view");
TICK();
cairo_t *d = XcbState.edit_draw;
cairo_set_operator(d, CAIRO_OPERATOR_SOURCE);
if (XcbState.fake_bg != NULL) {
if (XcbState.fake_bgrel) {
cairo_set_source_surface(d, XcbState.fake_bg, 0.0, 0.0);
} else {
cairo_set_source_surface(d, XcbState.fake_bg,
(double)(XcbState.mon.x - state->x),
(double)(XcbState.mon.y - state->y));
}
} else {
// Paint the background transparent.
cairo_set_source_rgba(d, 0, 0, 0, 0.0);
}
cairo_paint(d);
// Always paint as overlay over the background.
cairo_set_operator(d, CAIRO_OPERATOR_OVER);
TICK_N("Background");
widget_draw(WIDGET(state->main_window), d);
// TODO
#ifdef XCB_IMDKIT
int x = widget_get_x_pos(&state->text->widget) +
textbox_get_cursor_x_pos(state->text);
int y = widget_get_y_pos(&state->text->widget) +
widget_get_height(&state->text->widget);
rofi_set_im_window_pos(x, y);
#endif
TICK_N("widgets");
cairo_surface_flush(XcbState.edit_surf);
if (qr) {
rofi_view_queue_redraw();
}
}
static void xcb_rofi_view_maybe_update(RofiViewState *state) {
if (rofi_view_get_completed(state)) {
// This menu is done.
rofi_view_finalize(state);
// If there a state. (for example error) reload it.
state = rofi_view_get_active();
// cleanup, if no more state to display.
if (state == NULL) {
// Quit main-loop.
rofi_quit_main_loop();
return;
}
}
// Update if requested.
if (state->refilter) {
rofi_view_refilter(state);
}
rofi_view_update(state, TRUE);
return;
}
/**
* Calculates the window position
*/
/** Convert the old location to the new location type.
* 123
* 804
* 765
*
* nw n ne
* w c e
* sw s se
*/
static const int loc_transtable[9] = {
WL_CENTER, WL_NORTH | WL_WEST, WL_NORTH, WL_NORTH | WL_EAST,
WL_EAST, WL_SOUTH | WL_EAST, WL_SOUTH, WL_SOUTH | WL_WEST,
WL_WEST};
static void xcb_rofi_view_calculate_window_position(RofiViewState *state) {
int location = rofi_theme_get_position(WIDGET(state->main_window), "location",
loc_transtable[config.location]);
int anchor =
rofi_theme_get_position(WIDGET(state->main_window), "anchor", location);
if (XcbState.fullscreen) {
state->x = XcbState.mon.x;
state->y = XcbState.mon.y;
return;
}
state->y = XcbState.mon.y + (XcbState.mon.h) / 2;
state->x = XcbState.mon.x + (XcbState.mon.w) / 2;
// Determine window location
switch (location) {
case WL_NORTH_WEST:
state->x = XcbState.mon.x;
/* FALLTHRU */
case WL_NORTH:
state->y = XcbState.mon.y;
break;
case WL_NORTH_EAST:
state->y = XcbState.mon.y;
/* FALLTHRU */
case WL_EAST:
state->x = XcbState.mon.x + XcbState.mon.w;
break;
case WL_SOUTH_EAST:
state->x = XcbState.mon.x + XcbState.mon.w;
/* FALLTHRU */
case WL_SOUTH:
state->y = XcbState.mon.y + XcbState.mon.h;
break;
case WL_SOUTH_WEST:
state->y = XcbState.mon.y + XcbState.mon.h;
/* FALLTHRU */
case WL_WEST:
state->x = XcbState.mon.x;
break;
case WL_CENTER:;
/* FALLTHRU */
default:
break;
}
switch (anchor) {
case WL_SOUTH_WEST:
state->y -= state->height;
break;
case WL_SOUTH:
state->x -= state->width / 2;
state->y -= state->height;
break;
case WL_SOUTH_EAST:
state->x -= state->width;
state->y -= state->height;
break;
case WL_NORTH_EAST:
state->x -= state->width;
break;
case WL_NORTH_WEST:
break;
case WL_NORTH:
state->x -= state->width / 2;
break;
case WL_EAST:
state->x -= state->width;
state->y -= state->height / 2;
break;
case WL_WEST:
state->y -= state->height / 2;
break;
case WL_CENTER:
state->y -= state->height / 2;
state->x -= state->width / 2;
break;
default:
break;
}
// Apply offset.
RofiDistance x = rofi_theme_get_distance(WIDGET(state->main_window),
"x-offset", config.x_offset);
RofiDistance y = rofi_theme_get_distance(WIDGET(state->main_window),
"y-offset", config.y_offset);
state->x += distance_get_pixel(x, ROFI_ORIENTATION_HORIZONTAL);
state->y += distance_get_pixel(y, ROFI_ORIENTATION_VERTICAL);
}
static void xcb_rofi_view_window_update_size(RofiViewState *state) {
if (state == NULL) {
return;
}
uint16_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
uint32_t vals[] = {state->x, state->y, state->width, state->height};
// Display it.
xcb_configure_window(xcb->connection, CacheState.main_window, mask, vals);
cairo_destroy(XcbState.edit_draw);
cairo_surface_destroy(XcbState.edit_surf);
xcb_free_pixmap(xcb->connection, XcbState.edit_pixmap);
XcbState.edit_pixmap = xcb_generate_id(xcb->connection);
xcb_create_pixmap(xcb->connection, depth->depth, XcbState.edit_pixmap,
CacheState.main_window, state->width, state->height);
XcbState.edit_surf =
cairo_xcb_surface_create(xcb->connection, XcbState.edit_pixmap, visual,
state->width, state->height);
XcbState.edit_draw = cairo_create(XcbState.edit_surf);
g_debug("Re-size window based internal request: %dx%d.", state->width,
state->height);
// Should wrap main window in a widget.
widget_resize(WIDGET(state->main_window), state->width, state->height);
}
static X11CursorType rofi_cursor_type_to_x11_cursor_type(RofiCursorType type) {
switch (type) {
case ROFI_CURSOR_DEFAULT:
return CURSOR_DEFAULT;
case ROFI_CURSOR_POINTER:
return CURSOR_POINTER;
case ROFI_CURSOR_TEXT:
return CURSOR_TEXT;
}
return CURSOR_DEFAULT;
}
static void xcb_rofi_view_set_cursor(RofiCursorType type) {
X11CursorType x11_type = rofi_cursor_type_to_x11_cursor_type(type);
if (x11_type == XcbState.cursor_type) {
return;
}
XcbState.cursor_type = x11_type;
x11_set_cursor(CacheState.main_window, x11_type);
}
static void xcb_rofi_view_ping_mouse(RofiViewState *state) {
xcb_query_pointer_cookie_t pointer_cookie =
xcb_query_pointer(xcb->connection, CacheState.main_window);
xcb_query_pointer_reply_t *pointer_reply =
xcb_query_pointer_reply(xcb->connection, pointer_cookie, NULL);
if (pointer_reply == NULL) {
return;
}
rofi_view_handle_mouse_motion(state, pointer_reply->win_x,
pointer_reply->win_y, config.hover_select);
free(pointer_reply);
}
static gboolean xcb_rofi_view_reload_idle(G_GNUC_UNUSED gpointer data) {
RofiViewState *state = rofi_view_get_active();
if (state) {
// For UI update on this.
if (state->tb_total_rows) {
char *r =
g_strdup_printf("%u", mode_get_num_entries(state->sw));
textbox_text(state->tb_total_rows, r);
g_free(r);
}
state->reload = TRUE;
state->refilter = TRUE;
xcb_rofi_view_queue_redraw();
}
XcbState.idle_timeout = 0;
return G_SOURCE_REMOVE;
}
static void xcb_rofi_view_reload(void) {
// @TODO add check if current view is equal to the callee
if (XcbState.idle_timeout == 0) {
XcbState.idle_timeout =
g_timeout_add(1000 / 100, xcb_rofi_view_reload_idle, NULL);
}
}
static void xcb_rofi_view_queue_redraw(void) {
RofiViewState *state = rofi_view_get_active();
if (state && XcbState.repaint_source == 0) {
XcbState.count++;
g_debug("redraw %llu", XcbState.count);
XcbState.repaint_source = g_idle_add_full(
G_PRIORITY_HIGH_IDLE, xcb_rofi_view_repaint, NULL, NULL);
}
}
static void
xcb_rofi_view_setup_fake_transparency(widget *win,
const char *const fake_background) {
if (XcbState.fake_bg == NULL) {
cairo_surface_t *s = NULL;
/**
* Select Background to use for fake transparency.
* Current options: 'real', 'screenshot','background'
*/
TICK_N("Fake start");
if (g_strcmp0(fake_background, "real") == 0) {
return;
} else if (g_strcmp0(fake_background, "screenshot") == 0) {
s = x11_helper_get_screenshot_surface();
} else if (g_strcmp0(fake_background, "background") == 0) {
s = x11_helper_get_bg_surface();
} else {
char *fpath = rofi_expand_path(fake_background);
g_debug("Opening %s to use as background.", fpath);
s = cairo_image_surface_create_from_png(fpath);
XcbState.fake_bgrel = TRUE;
g_free(fpath);
}
TICK_N("Get surface.");
if (s != NULL) {
if (cairo_surface_status(s) != CAIRO_STATUS_SUCCESS) {
g_debug("Failed to open surface fake background: %s",
cairo_status_to_string(cairo_surface_status(s)));
cairo_surface_destroy(s);
s = NULL;
} else {
XcbState.fake_bg = cairo_image_surface_create(
CAIRO_FORMAT_ARGB32, XcbState.mon.w, XcbState.mon.h);
int blur = rofi_theme_get_integer(WIDGET(win), "blur", 0);
cairo_t *dr = cairo_create(XcbState.fake_bg);
if (XcbState.fake_bgrel) {
cairo_set_source_surface(dr, s, 0, 0);
} else {
cairo_set_source_surface(dr, s, -XcbState.mon.x, -XcbState.mon.y);
}
cairo_paint(dr);
cairo_destroy(dr);
cairo_surface_destroy(s);
if (blur > 0) {
cairo_image_surface_blur(XcbState.fake_bg, (double)blur, 0);
TICK_N("BLUR");
}
}
}
TICK_N("Fake transparency");
}
}
#ifdef XCB_IMDKIT
static void xim_commit_string(xcb_xim_t *im, G_GNUC_UNUSED xcb_xic_t ic,
G_GNUC_UNUSED uint32_t flag, char *str,
uint32_t length, G_GNUC_UNUSED uint32_t *keysym,
G_GNUC_UNUSED size_t nKeySym,
G_GNUC_UNUSED void *user_data) {
RofiViewState *state = rofi_view_get_active();
if (state == NULL) {
return;
}
#ifndef XCB_IMDKIT_1_0_3_LOWER
if (xcb_xim_get_encoding(im) == XCB_XIM_UTF8_STRING) {
rofi_view_handle_text(state, str);
} else if (xcb_xim_get_encoding(im) == XCB_XIM_COMPOUND_TEXT) {
size_t newLength = 0;
char *utf8 = xcb_compound_text_to_utf8(str, length, &newLength);
if (utf8) {
rofi_view_handle_text(state, utf8);
}
}
#else
size_t newLength = 0;
char *utf8 = xcb_compound_text_to_utf8(str, length, &newLength);
if (utf8) {
rofi_view_handle_text(state, utf8);
}
#endif
}
static void xim_disconnected(G_GNUC_UNUSED xcb_xim_t *im,
G_GNUC_UNUSED void *user_data) {
xcb->ic = 0;
}
static void create_ic_callback(xcb_xim_t *im, xcb_xic_t new_ic,
G_GNUC_UNUSED void *user_data) {
xcb->ic = new_ic;
if (xcb->ic) {
xcb_xim_set_ic_focus(im, xcb->ic);
}
}
gboolean rofi_set_im_window_pos(int new_x, int new_y) {
if (!xcb->ic)
return false;
static xcb_point_t spot = {.x = 0, .y = 0};
if (spot.x != new_x || spot.y != new_y) {
spot.x = new_x;
spot.y = new_y;
xcb_xim_nested_list nested = xcb_xim_create_nested_list(
xcb->im, XCB_XIM_XNSpotLocation, &spot, NULL);
xcb_xim_set_ic_values(xcb->im, xcb->ic, NULL, NULL, XCB_XIM_XNClientWindow,
&CacheState.main_window, XCB_XIM_XNFocusWindow,
&CacheState.main_window, XCB_XIM_XNPreeditAttributes,
&nested, NULL);
free(nested.data);
}
return true;
}
static void open_xim_callback(xcb_xim_t *im, G_GNUC_UNUSED void *user_data) {
RofiViewState *state = rofi_view_get_active();
uint32_t input_style = XCB_IM_PreeditPosition | XCB_IM_StatusArea;
xcb_point_t spot;
spot.x = widget_get_x_pos(&state->text->widget) +
textbox_get_cursor_x_pos(state->text);
spot.y = widget_get_y_pos(&state->text->widget) +
widget_get_height(&state->text->widget);
xcb_xim_nested_list nested =
xcb_xim_create_nested_list(im, XCB_XIM_XNSpotLocation, &spot, NULL);
xcb_xim_create_ic(
im, create_ic_callback, NULL, XCB_XIM_XNInputStyle, &input_style,
XCB_XIM_XNClientWindow, &CacheState.main_window, XCB_XIM_XNFocusWindow,
&CacheState.main_window, XCB_XIM_XNPreeditAttributes, &nested, NULL);
free(nested.data);
}
#endif
static void xcb___create_window(MenuFlags menu_flags) {
// In password mode, disable the entry history.
if ((menu_flags & MENU_PASSWORD) == MENU_PASSWORD) {
CacheState.entry_history_enable = FALSE;
}
input_history_initialize();
uint32_t selmask = XCB_CW_BACK_PIXMAP | XCB_CW_BORDER_PIXEL |
XCB_CW_BIT_GRAVITY | XCB_CW_BACKING_STORE |
XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
uint32_t xcb_event_masks =
XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_KEY_PRESS |
XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_KEYMAP_STATE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_FOCUS_CHANGE |
XCB_EVENT_MASK_BUTTON_1_MOTION | XCB_EVENT_MASK_POINTER_MOTION;
uint32_t selval[] = {XCB_BACK_PIXMAP_NONE, 0,
XCB_GRAVITY_STATIC, XCB_BACKING_STORE_NOT_USEFUL,
xcb_event_masks, map};
#ifdef XCB_IMDKIT
xcb_xim_set_im_callback(xcb->im, &xim_callback, NULL);
#endif
// Open connection to XIM server.
#ifdef XCB_IMDKIT
xcb_xim_open(xcb->im, open_xim_callback, true, NULL);
#endif
xcb_window_t box_window = xcb_generate_id(xcb->connection);
xcb_void_cookie_t cc = xcb_create_window_checked(
xcb->connection, depth->depth, box_window, xcb_stuff_get_root_window(), 0,
0, 200, 100, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, visual->visual_id, selmask,
selval);
xcb_generic_error_t *error;
error = xcb_request_check(xcb->connection, cc);
if (error) {
g_error("xcb_create_window() failed error=0x%x\n", error->error_code);
exit(EXIT_FAILURE);
}
TICK_N("xcb create window");
XcbState.gc = xcb_generate_id(xcb->connection);
xcb_create_gc(xcb->connection, XcbState.gc, box_window, 0, 0);
TICK_N("xcb create gc");
// Create a drawable.
XcbState.edit_pixmap = xcb_generate_id(xcb->connection);
xcb_create_pixmap(xcb->connection, depth->depth, XcbState.edit_pixmap,
CacheState.main_window, 200, 100);
XcbState.edit_surf = cairo_xcb_surface_create(
xcb->connection, XcbState.edit_pixmap, visual, 200, 100);
XcbState.edit_draw = cairo_create(XcbState.edit_surf);
TICK_N("create cairo surface");
// Set up pango context.
cairo_font_options_t *fo = cairo_font_options_create();
// Take font description from xlib surface
cairo_surface_get_font_options(XcbState.edit_surf, fo);
// TODO should we update the drawable each time?
PangoContext *p = pango_cairo_create_context(XcbState.edit_draw);
// Set the font options from the xlib surface
pango_cairo_context_set_font_options(p, fo);
TICK_N("pango cairo font setup");
CacheState.main_window = box_window;
CacheState.flags = menu_flags;
monitor_active(&(XcbState.mon));
// Setup dpi
if (config.dpi > 1) {
PangoFontMap *font_map = pango_cairo_font_map_get_default();
pango_cairo_font_map_set_resolution((PangoCairoFontMap *)font_map,
(double)config.dpi);
} else if (config.dpi == 0 || config.dpi == 1) {
// Auto-detect mode.
double dpi = 96;
if (XcbState.mon.mh > 0 && config.dpi == 1) {
dpi = (XcbState.mon.h * 25.4) / (double)(XcbState.mon.mh);
} else {
dpi = (xcb->screen->height_in_pixels * 25.4) /
(double)(xcb->screen->height_in_millimeters);
}
g_debug("Auto-detected DPI: %.2lf", dpi);
PangoFontMap *font_map = pango_cairo_font_map_get_default();
pango_cairo_font_map_set_resolution((PangoCairoFontMap *)font_map, dpi);
config.dpi = dpi;
} else {
// default pango is 96.
PangoFontMap *font_map = pango_cairo_font_map_get_default();
config.dpi =
pango_cairo_font_map_get_resolution((PangoCairoFontMap *)font_map);
}
// Setup font.
// Dummy widget.
box *win = box_create(NULL, "window", ROFI_ORIENTATION_HORIZONTAL);
const char *font =
rofi_theme_get_string(WIDGET(win), "font", config.menu_font);
if (font) {
PangoFontDescription *pfd = pango_font_description_from_string(font);
if (helper_validate_font(pfd, font)) {
pango_context_set_font_description(p, pfd);
}
pango_font_description_free(pfd);
}
PangoLanguage *l = pango_language_get_default();
pango_context_set_language(p, l);
TICK_N("configure font");
// Tell textbox to use this context.
textbox_set_pango_context(font, p);
// cleanup
g_object_unref(p);
cairo_font_options_destroy(fo);
TICK_N("textbox setup");
// // make it an unmanaged window
if (((menu_flags & MENU_NORMAL_WINDOW) == 0)) {
window_set_atom_prop(box_window, xcb->ewmh._NET_WM_STATE,
&(xcb->ewmh._NET_WM_STATE_ABOVE), 1);
uint32_t values[] = {1};
xcb_change_window_attributes(xcb->connection, box_window,
XCB_CW_OVERRIDE_REDIRECT, values);
} else {
window_set_atom_prop(box_window, xcb->ewmh._NET_WM_WINDOW_TYPE,
&(xcb->ewmh._NET_WM_WINDOW_TYPE_NORMAL), 1);
x11_disable_decoration(box_window);
}
TICK_N("setup window attributes");
XcbState.fullscreen =
rofi_theme_get_boolean(WIDGET(win), "fullscreen", FALSE);
if (XcbState.fullscreen) {
xcb_atom_t atoms[] = {xcb->ewmh._NET_WM_STATE_FULLSCREEN,
xcb->ewmh._NET_WM_STATE_ABOVE};
window_set_atom_prop(box_window, xcb->ewmh._NET_WM_STATE, atoms,
sizeof(atoms) / sizeof(xcb_atom_t));
}
xcb_atom_t protocols[] = {netatoms[WM_TAKE_FOCUS]};
xcb_icccm_set_wm_protocols(xcb->connection, box_window,
xcb->ewmh.WM_PROTOCOLS, G_N_ELEMENTS(protocols),
protocols);
TICK_N("setup window fullscreen");
// Set the WM_NAME
xcb_rofi_view_set_window_title("rofi");
const char wm_class_name[] = "rofi\0Rofi";
xcb_icccm_set_wm_class(xcb->connection, box_window, sizeof(wm_class_name),
wm_class_name);
TICK_N("setup window name and class");
const char *transparency =
rofi_theme_get_string(WIDGET(win), "transparency", NULL);
if (transparency) {
xcb_rofi_view_setup_fake_transparency(WIDGET(win), transparency);
}
if (xcb->sncontext != NULL) {
sn_launchee_context_setup_window(xcb->sncontext, CacheState.main_window);
}
TICK_N("setup startup notification");
widget_free(WIDGET(win));
TICK_N("done");
// Set the PID.
pid_t pid = getpid();
xcb_ewmh_set_wm_pid(&(xcb->ewmh), CacheState.main_window, pid);
// Get hostname
const char *hostname = g_get_host_name();
char *ahost = g_hostname_to_ascii(hostname);
if (ahost != NULL) {
xcb_icccm_set_wm_client_machine(xcb->connection, CacheState.main_window,
XCB_ATOM_STRING, 8, strlen(ahost), ahost);
g_free(ahost);
}
}
/**
* @param state Internal state of the menu.
*
* Calculate the width of the window and the width of an element.
*/
static void xcb_rofi_view_calculate_window_width(RofiViewState *state) {
if (XcbState.fullscreen) {
state->width = XcbState.mon.w;
return;
}
// Calculate as float to stop silly, big rounding down errors.
state->width = (XcbState.mon.w / 100.0f) * DEFAULT_MENU_WIDTH;
// Use theme configured width, if set.
RofiDistance width = rofi_theme_get_distance(WIDGET(state->main_window),
"width", state->width);
state->width = distance_get_pixel(width, ROFI_ORIENTATION_HORIZONTAL);
}
/**
* Handle window configure event.
* Handles resizes.
*/
static void
xcb_rofi_view_temp_configure_notify(RofiViewState *state,
xcb_configure_notify_event_t *xce) {
if (xce->window == CacheState.main_window) {
if (state->x != xce->x || state->y != xce->y) {
state->x = xce->x;
state->y = xce->y;
widget_queue_redraw(WIDGET(state->main_window));
}
if (state->width != xce->width || state->height != xce->height) {
state->width = xce->width;
state->height = xce->height;
cairo_destroy(XcbState.edit_draw);
cairo_surface_destroy(XcbState.edit_surf);
xcb_free_pixmap(xcb->connection, XcbState.edit_pixmap);
XcbState.edit_pixmap = xcb_generate_id(xcb->connection);
xcb_create_pixmap(xcb->connection, depth->depth, XcbState.edit_pixmap,
CacheState.main_window, state->width, state->height);
XcbState.edit_surf =
cairo_xcb_surface_create(xcb->connection, XcbState.edit_pixmap,
visual, state->width, state->height);
XcbState.edit_draw = cairo_create(XcbState.edit_surf);
g_debug("Re-size window based external request: %d %d", state->width,
state->height);
widget_resize(WIDGET(state->main_window), state->width, state->height);
}
}
}
/**
* Quit rofi on click (outside of view )
*/
static void xcb_rofi_view_temp_click_to_exit(RofiViewState *state,
xcb_window_t target) {
if ((CacheState.flags & MENU_NORMAL_WINDOW) == 0) {
if (target != CacheState.main_window) {
state->quit = TRUE;
state->retv = MENU_CANCEL;
}
}
}
static void xcb_rofi_view_frame_callback(void) {
if (XcbState.repaint_source == 0) {
XcbState.count++;
g_debug("redraw %llu", XcbState.count);
XcbState.repaint_source = g_idle_add_full(
G_PRIORITY_HIGH_IDLE, xcb_rofi_view_repaint, NULL, NULL);
}
}
static int xcb_rofi_view_calculate_window_height(RofiViewState *state) {
if (XcbState.fullscreen == TRUE) {
return XcbState.mon.h;
}
RofiDistance h =
rofi_theme_get_distance(WIDGET(state->main_window), "height", 0);
unsigned int height = distance_get_pixel(h, ROFI_ORIENTATION_VERTICAL);
// If height is set, return it.
if (height > 0) {
return height;
}
// Autosize based on widgets.
widget *main_window = WIDGET(state->main_window);
return widget_get_desired_height(main_window, state->width);
}
static void xcb_rofi_view_hide(void) {
if (CacheState.main_window != XCB_WINDOW_NONE) {
display_revert_input_focus();
xcb_unmap_window(xcb->connection, CacheState.main_window);
display_early_cleanup();
}
}
static void xcb_rofi_view_cleanup() {
// Clear clipboard data.
xcb_stuff_set_clipboard(NULL);
g_debug("Cleanup.");
if (XcbState.idle_timeout > 0) {
g_source_remove(XcbState.idle_timeout);
XcbState.idle_timeout = 0;
}
if (CacheState.user_timeout > 0) {
g_source_remove(CacheState.user_timeout);
CacheState.user_timeout = 0;
}
if (CacheState.refilter_timeout > 0) {
g_source_remove(CacheState.refilter_timeout);
CacheState.refilter_timeout = 0;
}
if (XcbState.repaint_source > 0) {
g_source_remove(XcbState.repaint_source);
XcbState.repaint_source = 0;
}
if (XcbState.fake_bg) {
cairo_surface_destroy(XcbState.fake_bg);
XcbState.fake_bg = NULL;
}
if (XcbState.edit_draw) {
cairo_destroy(XcbState.edit_draw);
XcbState.edit_draw = NULL;
}
if (XcbState.edit_surf) {
cairo_surface_destroy(XcbState.edit_surf);
XcbState.edit_surf = NULL;
}
if (CacheState.main_window != XCB_WINDOW_NONE) {
g_debug("Unmapping and free'ing window");
xcb_unmap_window(xcb->connection, CacheState.main_window);
xcb_free_gc(xcb->connection, XcbState.gc);
xcb_free_pixmap(xcb->connection, XcbState.edit_pixmap);
xcb_destroy_window(xcb->connection, CacheState.main_window);
CacheState.main_window = XCB_WINDOW_NONE;
}
if (map != XCB_COLORMAP_NONE) {
xcb_free_colormap(xcb->connection, map);
map = XCB_COLORMAP_NONE;
}
xcb_flush(xcb->connection);
g_assert(g_queue_is_empty(&(CacheState.views)));
input_history_save();
}
static xcb_window_t xcb_rofi_view_get_window(void) {
return CacheState.main_window;
}
static void xcb_rofi_view_set_window_title(const char *title) {
ssize_t len = strlen(title);
xcb_change_property(xcb->connection, XCB_PROP_MODE_REPLACE,
CacheState.main_window, xcb->ewmh._NET_WM_NAME,
xcb->ewmh.UTF8_STRING, 8, len, title);
xcb_change_property(xcb->connection, XCB_PROP_MODE_REPLACE,
CacheState.main_window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING,
8, len, title);
}
static view_proxy view_ = {
.update = xcb_rofi_view_update,
.maybe_update = xcb_rofi_view_maybe_update,
.temp_configure_notify = xcb_rofi_view_temp_configure_notify,
.temp_click_to_exit = xcb_rofi_view_temp_click_to_exit,
.frame_callback = xcb_rofi_view_frame_callback,
.queue_redraw = xcb_rofi_view_queue_redraw,
.set_window_title = xcb_rofi_view_set_window_title,
.calculate_window_position = xcb_rofi_view_calculate_window_position,
.calculate_window_width = xcb_rofi_view_calculate_window_width,
.calculate_window_height = xcb_rofi_view_calculate_window_height,
.window_update_size = xcb_rofi_view_window_update_size,
.set_cursor = xcb_rofi_view_set_cursor,
.ping_mouse = xcb_rofi_view_ping_mouse,
.cleanup = xcb_rofi_view_cleanup,
.hide = xcb_rofi_view_hide,
.reload = xcb_rofi_view_reload,
.__create_window = xcb___create_window,
.get_window = xcb_rofi_view_get_window,
.get_current_monitor = xcb_rofi_view_get_current_monitor,
.capture_screenshot = xcb_rofi_view_capture_screenshot,
.set_size = NULL,
.get_size = NULL,
};
const view_proxy *xcb_view_proxy = &view_;
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