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17b4265a5f0a65a9fadcac3b19077edab7895ad5
rofi/source/xcb/view.c
lbonn 17b4265a5f Put most of view implementation in common
2020-07-24 19:30:02 +02:00

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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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdint.h>
#include <signal.h>
#include <errno.h>
#include <time.h>
#include <locale.h>
#include <xkbcommon/xkbcommon-x11.h>
#include <xcb/xkb.h>
#include <xcb/xcb_ewmh.h>
#include <xcb/xcb_icccm.h>
#include <cairo.h>
#include <cairo-xcb.h>
/** Indicated we understand the startup notification api is not yet stable.*/
#define SN_API_NOT_YET_FROZEN
#include <libsn/sn.h>
#include "rofi.h"
#include "timings.h"
#include "settings.h"
#include "mode.h"
#include "display.h"
#include "xcb-internal.h"
#include "helper.h"
#include "helper-theme.h"
#include "xrmoptions.h"
#include "dialogs/dialogs.h"
#include "view.h"
#include "view-internal.h"
#include "theme.h"
#include "xcb.h"
/**
* @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 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 );
/** 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;
} 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 < 99 ) {
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;
struct {
GTimer *time;
uint64_t draws;
double last_ts;
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.
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;
}
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) ( state->x - XcbState.mon.x ),
-(double) ( state->y - XcbState.mon.y ) );
}
cairo_paint ( d );
cairo_set_operator ( d, CAIRO_OPERATOR_OVER );
}
else {
// Paint the background transparent.
cairo_set_source_rgba ( d, 0, 0, 0, 0.0 );
cairo_paint ( d );
}
TICK_N ( "Background" );
// Always paint as overlay over the background.
cairo_set_operator ( d, CAIRO_OPERATOR_OVER );
widget_draw ( WIDGET ( state->main_window ), d );
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 );
}
/**
* 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 = location;
if ( !listview_get_fixed_num_lines ( state->list_view ) ) {
anchor = location;
if ( location == WL_CENTER ) {
anchor = WL_NORTH;
}
else if ( location == WL_EAST ) {
anchor = WL_NORTH_EAST;
}
else if ( location == WL_WEST ) {
anchor = WL_NORTH_WEST;
}
}
anchor = rofi_theme_get_position ( WIDGET ( state->main_window ), "anchor", anchor );
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 )
{
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 gboolean xcb_rofi_view_reload_idle ( G_GNUC_UNUSED gpointer data )
{
RofiViewState * state = rofi_view_get_active ();
if ( state ) {
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 / 10, 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 ( 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 );
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 );
}
}
TICK_N ( "Fake transparency" );
}
}
static void xcb___create_window ( MenuFlags menu_flags )
{
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 selval[] = {
XCB_BACK_PIXMAP_NONE, 0,
XCB_GRAVITY_STATIC,
XCB_BACKING_STORE_NOT_USEFUL,
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,
map
};
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", config.fullscreen );
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 ) );
}
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 ( transparency );
}
else if ( config.fake_transparency && config.fake_background ) {
xcb_rofi_view_setup_fake_transparency ( config.fake_background );
}
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;
}
if ( config.menu_width < 0 ) {
double fw = textbox_get_estimated_char_width ( );
state->width = -( fw * config.menu_width );
state->width += widget_padding_get_padding_width ( WIDGET ( state->main_window ) );
}
else{
// Calculate as float to stop silly, big rounding down errors.
state->width = config.menu_width < 101 ? ( XcbState.mon.w / 100.0f ) * ( float ) config.menu_width : config.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.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 );
}
static void xcb_rofi_view_hide ( void )
{
if ( CacheState.main_window != XCB_WINDOW_NONE ) {
xcb_unmap_window ( xcb->connection, CacheState.main_window );
display_early_cleanup ();
}
}
static void xcb_rofi_view_cleanup ()
{
g_debug ( "Cleanup." );
if ( XcbState.idle_timeout > 0 ) {
g_source_remove ( XcbState.idle_timeout );
XcbState.idle_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 ) ) );
}
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,
.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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