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rofi/source/view.c
Dave Davenport 06bb72d39b [DMenu] Do not crash when no entry is available. 
Issue: #1504
2021-10-16 01:39:21 +02:00

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/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2021 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>
#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>
/** 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 "dialogs/dialogs.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"
/**
* @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.
*/
void rofi_view_update(RofiViewState *state, gboolean qr);
static int rofi_view_calculate_height(RofiViewState *state);
/** Thread pool used for filtering */
GThreadPool *tpool = NULL;
/** Global pointer to the currently active RofiViewState */
RofiViewState *current_active_menu = NULL;
/**
* Structure holding cached state.
*/
struct {
/** main x11 windows */
xcb_window_t main_window;
/** 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;
/** Main flags */
MenuFlags flags;
/** List of stacked views */
GQueue views;
/** Current work area */
workarea mon;
/** timeout for reloading */
guint idle_timeout;
/** timeout handling */
guint user_timeout;
/** debug counter for redraws */
unsigned long long count;
/** redraw idle time. */
guint repaint_source;
/** Window fullscreen */
gboolean fullscreen;
/** Cursor type */
X11CursorType cursor_type;
} CacheState = {
.main_window = XCB_WINDOW_NONE,
.fake_bg = NULL,
.edit_surf = NULL,
.edit_draw = NULL,
.fake_bgrel = FALSE,
.flags = MENU_NORMAL,
.views = G_QUEUE_INIT,
.idle_timeout = 0,
.user_timeout = 0,
.count = 0L,
.repaint_source = 0,
.fullscreen = FALSE,
};
void rofi_view_get_current_monitor(int *width, int *height) {
if (width) {
*width = CacheState.mon.w;
}
if (height) {
*height = CacheState.mon.h;
}
}
static char *get_matching_state(void) {
if (config.case_sensitive) {
if (config.sort) {
return "±";
}
return "-";
}
if (config.sort) {
return "+";
}
return " ";
}
/**
* Levenshtein Sorting.
*/
static int lev_sort(const void *p1, const void *p2, void *arg) {
const int *a = p1;
const int *b = p2;
int *distances = arg;
return distances[*a] - distances[*b];
}
/**
* Stores a screenshot of Rofi at that point in time.
*/
void rofi_capture_screenshot(void) {
const char *outp = g_getenv("ROFI_PNG_OUTPUT");
if (CacheState.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(CacheState.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 rofi_view_repaint(G_GNUC_UNUSED void *data) {
if (current_active_menu) {
// 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(current_active_menu, FALSE);
g_debug("expose event");
TICK_N("Expose");
xcb_copy_area(xcb->connection, CacheState.edit_pixmap,
CacheState.main_window, CacheState.gc, 0, 0, 0, 0,
current_active_menu->width, current_active_menu->height);
xcb_flush(xcb->connection);
TICK_N("flush");
CacheState.repaint_source = 0;
}
return (bench_update() == TRUE) ? G_SOURCE_CONTINUE : G_SOURCE_REMOVE;
}
static void rofi_view_update_prompt(RofiViewState *state) {
if (state->prompt) {
const char *str = mode_get_display_name(state->sw);
textbox_text(state->prompt, str);
}
}
/**
* 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 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 (CacheState.fullscreen) {
state->x = CacheState.mon.x;
state->y = CacheState.mon.y;
return;
}
state->y = CacheState.mon.y + (CacheState.mon.h) / 2;
state->x = CacheState.mon.x + (CacheState.mon.w) / 2;
// Determine window location
switch (location) {
case WL_NORTH_WEST:
state->x = CacheState.mon.x;
/* FALLTHRU */
case WL_NORTH:
state->y = CacheState.mon.y;
break;
case WL_NORTH_EAST:
state->y = CacheState.mon.y;
/* FALLTHRU */
case WL_EAST:
state->x = CacheState.mon.x + CacheState.mon.w;
break;
case WL_SOUTH_EAST:
state->x = CacheState.mon.x + CacheState.mon.w;
/* FALLTHRU */
case WL_SOUTH:
state->y = CacheState.mon.y + CacheState.mon.h;
break;
case WL_SOUTH_WEST:
state->y = CacheState.mon.y + CacheState.mon.h;
/* FALLTHRU */
case WL_WEST:
state->x = CacheState.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 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(CacheState.edit_draw);
cairo_surface_destroy(CacheState.edit_surf);
xcb_free_pixmap(xcb->connection, CacheState.edit_pixmap);
CacheState.edit_pixmap = xcb_generate_id(xcb->connection);
xcb_create_pixmap(xcb->connection, depth->depth, CacheState.edit_pixmap,
CacheState.main_window, state->width, state->height);
CacheState.edit_surf =
cairo_xcb_surface_create(xcb->connection, CacheState.edit_pixmap, visual,
state->width, state->height);
CacheState.edit_draw = cairo_create(CacheState.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 void rofi_view_reload_message_bar(RofiViewState *state) {
if (state->mesg_box == NULL) {
return;
}
char *msg = mode_get_message(state->sw);
if (msg) {
textbox_text(state->mesg_tb, msg);
widget_enable(WIDGET(state->mesg_box));
g_free(msg);
} else {
widget_disable(WIDGET(state->mesg_box));
}
}
static gboolean rofi_view_reload_idle(G_GNUC_UNUSED gpointer data) {
if (current_active_menu) {
current_active_menu->reload = TRUE;
current_active_menu->refilter = TRUE;
rofi_view_queue_redraw();
}
CacheState.idle_timeout = 0;
return G_SOURCE_REMOVE;
}
static void rofi_view_take_action(const char *name) {
ThemeWidget *wid = rofi_config_find_widget(name, NULL, TRUE);
if (wid) {
/** Check string property */
Property *p = rofi_theme_find_property(wid, P_STRING, "action", TRUE);
if (p != NULL && p->type == P_STRING) {
const char *action = p->value.s;
guint id = key_binding_get_action_from_name(action);
if (id != UINT32_MAX) {
rofi_view_trigger_action(rofi_view_get_active(), SCOPE_GLOBAL, id);
} else {
g_warning("Failed to parse keybinding: %s\r\n", action);
}
}
}
}
static gboolean rofi_view_user_timeout(G_GNUC_UNUSED gpointer data) {
CacheState.user_timeout = 0;
rofi_view_take_action("timeout");
return G_SOURCE_REMOVE;
}
static void rofi_view_set_user_timeout(G_GNUC_UNUSED gpointer data) {
if (CacheState.user_timeout > 0) {
g_source_remove(CacheState.user_timeout);
CacheState.user_timeout = 0;
}
{
/** Find the widget */
ThemeWidget *wid = rofi_config_find_widget("timeout", NULL, TRUE);
if (wid) {
/** Check string property */
Property *p = rofi_theme_find_property(wid, P_INTEGER, "delay", TRUE);
if (p != NULL && p->type == P_INTEGER && p->value.i > 0) {
int delay = p->value.i;
CacheState.user_timeout =
g_timeout_add(delay * 1000, rofi_view_user_timeout, NULL);
}
}
}
}
void rofi_view_reload(void) {
// @TODO add check if current view is equal to the callee
if (CacheState.idle_timeout == 0) {
CacheState.idle_timeout =
g_timeout_add(1000 / 10, rofi_view_reload_idle, NULL);
}
}
void rofi_view_queue_redraw(void) {
if (current_active_menu && CacheState.repaint_source == 0) {
CacheState.count++;
g_debug("redraw %llu", CacheState.count);
CacheState.repaint_source =
g_idle_add_full(G_PRIORITY_HIGH_IDLE, rofi_view_repaint, NULL, NULL);
}
}
void rofi_view_restart(RofiViewState *state) {
state->quit = FALSE;
state->retv = MENU_CANCEL;
}
RofiViewState *rofi_view_get_active(void) { return current_active_menu; }
void rofi_view_remove_active(RofiViewState *state) {
if (state == current_active_menu) {
rofi_view_set_active(NULL);
} else if (state) {
g_queue_remove(&(CacheState.views), state);
}
}
void rofi_view_set_active(RofiViewState *state) {
if (current_active_menu != NULL && state != NULL) {
g_queue_push_head(&(CacheState.views), current_active_menu);
// TODO check.
current_active_menu = state;
g_debug("stack view.");
rofi_view_window_update_size(current_active_menu);
rofi_view_queue_redraw();
return;
}
if (state == NULL && !g_queue_is_empty(&(CacheState.views))) {
g_debug("pop view.");
current_active_menu = g_queue_pop_head(&(CacheState.views));
rofi_view_window_update_size(current_active_menu);
rofi_view_queue_redraw();
return;
}
g_assert((current_active_menu == NULL && state != NULL) ||
(current_active_menu != NULL && state == NULL));
current_active_menu = state;
rofi_view_queue_redraw();
}
void rofi_view_set_selected_line(RofiViewState *state,
unsigned int selected_line) {
state->selected_line = selected_line;
// Find the line.
unsigned int selected = 0;
for (unsigned int i = 0; ((state->selected_line)) < UINT32_MAX && !selected &&
i < state->filtered_lines;
i++) {
if (state->line_map[i] == (state->selected_line)) {
selected = i;
break;
}
}
listview_set_selected(state->list_view, selected);
xcb_clear_area(xcb->connection, CacheState.main_window, 1, 0, 0, 1, 1);
xcb_flush(xcb->connection);
}
void rofi_view_free(RofiViewState *state) {
if (state->tokens) {
helper_tokenize_free(state->tokens);
state->tokens = NULL;
}
// Do this here?
// Wait for final release?
widget_free(WIDGET(state->main_window));
g_free(state->line_map);
g_free(state->distance);
// Free the switcher boxes.
// When state is free'ed we should no longer need these.
g_free(state->modi);
state->num_modi = 0;
g_free(state);
}
MenuReturn rofi_view_get_return_value(const RofiViewState *state) {
return state->retv;
}
unsigned int rofi_view_get_selected_line(const RofiViewState *state) {
return state->selected_line;
}
unsigned int rofi_view_get_next_position(const RofiViewState *state) {
unsigned int next_pos = state->selected_line;
unsigned int selected = listview_get_selected(state->list_view);
if ((selected + 1) < state->num_lines) {
(next_pos) = state->line_map[selected + 1];
}
return next_pos;
}
unsigned int rofi_view_get_completed(const RofiViewState *state) {
return state->quit;
}
const char *rofi_view_get_user_input(const RofiViewState *state) {
if (state->text) {
return state->text->text;
}
return NULL;
}
/**
* Create a new, 0 initialized RofiViewState structure.
*
* @returns a new 0 initialized RofiViewState
*/
static RofiViewState *__rofi_view_state_create(void) {
return g_malloc0(sizeof(RofiViewState));
}
/**
* Thread state for workers started for the view.
*/
typedef struct _thread_state_view {
/** Generic thread state. */
thread_state st;
/** Condition. */
GCond *cond;
/** Lock for condition. */
GMutex *mutex;
/** Count that is protected by lock. */
unsigned int *acount;
/** Current state. */
RofiViewState *state;
/** Start row for this worker. */
unsigned int start;
/** Stop row for this worker. */
unsigned int stop;
/** Rows processed. */
unsigned int count;
/** Pattern input to filter. */
const char *pattern;
/** Length of pattern. */
glong plen;
} thread_state_view;
/**
* @param data A thread_state object.
* @param user_data User data to pass to thread_state callback
*
* Small wrapper function that is internally used to pass a job to a worker.
*/
static void rofi_view_call_thread(gpointer data, gpointer user_data) {
thread_state *t = (thread_state *)data;
t->callback(t, user_data);
}
static void filter_elements(thread_state *ts,
G_GNUC_UNUSED gpointer user_data) {
thread_state_view *t = (thread_state_view *)ts;
for (unsigned int i = t->start; i < t->stop; i++) {
int match = mode_token_match(t->state->sw, t->state->tokens, i);
// If each token was matched, add it to list.
if (match) {
t->state->line_map[t->start + t->count] = i;
if (config.sort) {
// This is inefficient, need to fix it.
char *str = mode_get_completion(t->state->sw, i);
glong slen = g_utf8_strlen(str, -1);
switch (config.sorting_method_enum) {
case SORT_FZF:
t->state->distance[i] =
rofi_scorer_fuzzy_evaluate(t->pattern, t->plen, str, slen);
break;
case SORT_NORMAL:
default:
t->state->distance[i] = levenshtein(t->pattern, t->plen, str, slen);
break;
}
g_free(str);
}
t->count++;
}
}
if (t->acount != NULL) {
g_mutex_lock(t->mutex);
(*(t->acount))--;
g_cond_signal(t->cond);
g_mutex_unlock(t->mutex);
}
}
static void
rofi_view_setup_fake_transparency(widget *win,
const char *const fake_background) {
if (CacheState.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;
}
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);
CacheState.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 {
CacheState.fake_bg = cairo_image_surface_create(
CAIRO_FORMAT_ARGB32, CacheState.mon.w, CacheState.mon.h);
int blur = rofi_theme_get_integer(WIDGET(win), "blur", 0);
cairo_t *dr = cairo_create(CacheState.fake_bg);
if (CacheState.fake_bgrel) {
cairo_set_source_surface(dr, s, 0, 0);
} else {
cairo_set_source_surface(dr, s, -CacheState.mon.x, -CacheState.mon.y);
}
cairo_paint(dr);
cairo_destroy(dr);
cairo_surface_destroy(s);
if (blur > 0) {
cairo_image_surface_blur(CacheState.fake_bg, (double)blur, 0);
TICK_N("BLUR");
}
}
}
TICK_N("Fake transparency");
}
}
void __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 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};
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");
CacheState.gc = xcb_generate_id(xcb->connection);
xcb_create_gc(xcb->connection, CacheState.gc, box_window, 0, 0);
TICK_N("xcb create gc");
// Create a drawable.
CacheState.edit_pixmap = xcb_generate_id(xcb->connection);
xcb_create_pixmap(xcb->connection, depth->depth, CacheState.edit_pixmap,
CacheState.main_window, 200, 100);
CacheState.edit_surf = cairo_xcb_surface_create(
xcb->connection, CacheState.edit_pixmap, visual, 200, 100);
CacheState.edit_draw = cairo_create(CacheState.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(CacheState.edit_surf, fo);
// TODO should we update the drawable each time?
PangoContext *p = pango_cairo_create_context(CacheState.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(&(CacheState.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 (CacheState.mon.mh > 0 && config.dpi == 1) {
dpi = (CacheState.mon.h * 25.4) / (double)(CacheState.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");
CacheState.fullscreen =
rofi_theme_get_boolean(WIDGET(win), "fullscreen", FALSE);
if (CacheState.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
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) {
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 rofi_view_calculate_window_width(RofiViewState *state) {
if (CacheState.fullscreen) {
state->width = CacheState.mon.w;
return;
}
// Calculate as float to stop silly, big rounding down errors.
state->width = (CacheState.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);
}
/**
* Nav helper functions, to avoid duplicate code.
*/
/**
* @param state The current RofiViewState
*
* Tab handling.
*/
static void rofi_view_nav_row_tab(RofiViewState *state) {
if (state->filtered_lines == 1) {
state->retv = MENU_OK;
(state->selected_line) =
state->line_map[listview_get_selected(state->list_view)];
state->quit = 1;
return;
}
// Double tab!
if (state->filtered_lines == 0 && ROW_TAB == state->prev_action) {
state->retv = MENU_NEXT;
(state->selected_line) = 0;
state->quit = TRUE;
} else {
listview_nav_down(state->list_view);
}
state->prev_action = ROW_TAB;
}
/**
* @param state The current RofiViewState
*
* complete current row.
*/
inline static void rofi_view_nav_row_select(RofiViewState *state) {
if (state->list_view == NULL) {
return;
}
unsigned int selected = listview_get_selected(state->list_view);
// If a valid item is selected, return that..
if (selected < state->filtered_lines) {
char *str = mode_get_completion(state->sw, state->line_map[selected]);
textbox_text(state->text, str);
g_free(str);
textbox_keybinding(state->text, MOVE_END);
state->refilter = TRUE;
}
}
/**
* @param state The current RofiViewState
*
* Move the selection to first row.
*/
inline static void rofi_view_nav_first(RofiViewState *state) {
// state->selected = 0;
listview_set_selected(state->list_view, 0);
}
/**
* @param state The current RofiViewState
*
* Move the selection to last row.
*/
inline static void rofi_view_nav_last(RofiViewState *state) {
// If no lines, do nothing.
if (state->filtered_lines == 0) {
return;
}
// state->selected = state->filtered_lines - 1;
listview_set_selected(state->list_view, -1);
}
static void update_callback(textbox *t, icon *ico, unsigned int index,
void *udata, TextBoxFontType *type, gboolean full) {
RofiViewState *state = (RofiViewState *)udata;
if (full) {
GList *add_list = NULL;
int fstate = 0;
char *text = mode_get_display_value(state->sw, state->line_map[index],
&fstate, &add_list, TRUE);
(*type) |= fstate;
// TODO needed for markup.
textbox_font(t, *type);
// Move into list view.
textbox_text(t, text);
PangoAttrList *list = textbox_get_pango_attributes(t);
if (list != NULL) {
pango_attr_list_ref(list);
} else {
list = pango_attr_list_new();
}
if (ico) {
int icon_height = widget_get_desired_height(WIDGET(ico), WIDGET(ico)->w);
cairo_surface_t *icon =
mode_get_icon(state->sw, state->line_map[index], icon_height);
icon_set_surface(ico, icon);
}
if (state->tokens) {
RofiHighlightColorStyle th = {ROFI_HL_BOLD | ROFI_HL_UNDERLINE,
{0.0, 0.0, 0.0, 0.0}};
th = rofi_theme_get_highlight(WIDGET(t), "highlight", th);
helper_token_match_get_pango_attr(th, state->tokens,
textbox_get_visible_text(t), list);
}
for (GList *iter = g_list_first(add_list); iter != NULL;
iter = g_list_next(iter)) {
pango_attr_list_insert(list, (PangoAttribute *)(iter->data));
}
textbox_set_pango_attributes(t, list);
pango_attr_list_unref(list);
g_list_free(add_list);
g_free(text);
} else {
int fstate = 0;
mode_get_display_value(state->sw, state->line_map[index], &fstate, NULL,
FALSE);
(*type) |= fstate;
// TODO needed for markup.
textbox_font(t, *type);
}
}
void rofi_view_update(RofiViewState *state, gboolean qr) {
if (!widget_need_redraw(WIDGET(state->main_window))) {
return;
}
g_debug("Redraw view");
TICK();
cairo_t *d = CacheState.edit_draw;
cairo_set_operator(d, CAIRO_OPERATOR_SOURCE);
if (CacheState.fake_bg != NULL) {
if (CacheState.fake_bgrel) {
cairo_set_source_surface(d, CacheState.fake_bg, 0.0, 0.0);
} else {
cairo_set_source_surface(d, CacheState.fake_bg,
-(double)(state->x - CacheState.mon.x),
-(double)(state->y - CacheState.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(CacheState.edit_surf);
if (qr) {
rofi_view_queue_redraw();
}
}
static void _rofi_view_reload_row(RofiViewState *state) {
g_free(state->line_map);
g_free(state->distance);
state->num_lines = mode_get_num_entries(state->sw);
state->line_map = g_malloc0_n(state->num_lines, sizeof(unsigned int));
state->distance = g_malloc0_n(state->num_lines, sizeof(int));
listview_set_max_lines(state->list_view, state->num_lines);
rofi_view_reload_message_bar(state);
}
static void rofi_view_refilter(RofiViewState *state) {
if (state->sw == NULL) {
return;
}
TICK_N("Filter start");
if (state->reload) {
_rofi_view_reload_row(state);
state->reload = FALSE;
}
TICK_N("Filter reload rows");
if (state->tokens) {
helper_tokenize_free(state->tokens);
state->tokens = NULL;
}
TICK_N("Filter tokenize");
if (state->text && strlen(state->text->text) > 0) {
unsigned int j = 0;
gchar *pattern = mode_preprocess_input(state->sw, state->text->text);
glong plen = pattern ? g_utf8_strlen(pattern, -1) : 0;
state->tokens = helper_tokenize(pattern, config.case_sensitive);
/**
* On long lists it can be beneficial to parallelize.
* If number of threads is 1, no thread is spawn.
* If number of threads > 1 and there are enough (> 1000) items, spawn jobs
* for the thread pool. For large lists with 8 threads I see a factor three
* speedup of the whole function.
*/
unsigned int nt = MAX(1, state->num_lines / 500);
thread_state_view states[nt];
GCond cond;
GMutex mutex;
g_mutex_init(&mutex);
g_cond_init(&cond);
unsigned int count = nt;
unsigned int steps = (state->num_lines + nt) / nt;
for (unsigned int i = 0; i < nt; i++) {
states[i].state = state;
states[i].start = i * steps;
states[i].stop = MIN(state->num_lines, (i + 1) * steps);
states[i].count = 0;
states[i].cond = &cond;
states[i].mutex = &mutex;
states[i].acount = &count;
states[i].plen = plen;
states[i].pattern = pattern;
states[i].st.callback = filter_elements;
if (i > 0) {
g_thread_pool_push(tpool, &states[i], NULL);
}
}
// Run one in this thread.
rofi_view_call_thread(&states[0], NULL);
// No need to do this with only one thread.
if (nt > 1) {
g_mutex_lock(&mutex);
while (count > 0) {
g_cond_wait(&cond, &mutex);
}
g_mutex_unlock(&mutex);
}
g_cond_clear(&cond);
g_mutex_clear(&mutex);
for (unsigned int i = 0; i < nt; i++) {
if (j != states[i].start) {
memmove(&(state->line_map[j]), &(state->line_map[states[i].start]),
sizeof(unsigned int) * (states[i].count));
}
j += states[i].count;
}
if (config.sort) {
g_qsort_with_data(state->line_map, j, sizeof(int), lev_sort,
state->distance);
}
// Cleanup + bookkeeping.
state->filtered_lines = j;
g_free(pattern);
} else {
for (unsigned int i = 0; i < state->num_lines; i++) {
state->line_map[i] = i;
}
state->filtered_lines = state->num_lines;
}
TICK_N("Filter matching done");
listview_set_num_elements(state->list_view, state->filtered_lines);
if (state->tb_filtered_rows) {
char *r = g_strdup_printf("%u", state->filtered_lines);
textbox_text(state->tb_filtered_rows, r);
g_free(r);
}
if (state->tb_total_rows) {
char *r = g_strdup_printf("%u", state->num_lines);
textbox_text(state->tb_total_rows, r);
g_free(r);
}
TICK_N("Update filter lines");
if (config.auto_select == TRUE && state->filtered_lines == 1 &&
state->num_lines > 1) {
(state->selected_line) =
state->line_map[listview_get_selected(state->list_view)];
state->retv = MENU_OK;
state->quit = TRUE;
}
// Size the window.
int height = rofi_view_calculate_height(state);
if (height != state->height) {
state->height = height;
rofi_view_calculate_window_position(state);
rofi_view_window_update_size(state);
g_debug("Resize based on re-filter");
}
TICK_N("Filter resize window based on window ");
state->refilter = FALSE;
TICK_N("Filter done");
}
/**
* @param state The Menu Handle
*
* Check if a finalize function is set, and if sets executes it.
*/
void process_result(RofiViewState *state);
void rofi_view_finalize(RofiViewState *state) {
if (state && state->finalize != NULL) {
state->finalize(state);
}
}
/**
* This function should be called when the input of the entry is changed.
* TODO: Evaluate if this needs to be a 'signal' on textbox?
*/
static void rofi_view_input_changed() { rofi_view_take_action("inputchange"); }
static void rofi_view_trigger_global_action(KeyBindingAction action) {
RofiViewState *state = rofi_view_get_active();
switch (action) {
// Handling of paste
case PASTE_PRIMARY:
xcb_convert_selection(xcb->connection, CacheState.main_window,
XCB_ATOM_PRIMARY, xcb->ewmh.UTF8_STRING,
xcb->ewmh.UTF8_STRING, XCB_CURRENT_TIME);
xcb_flush(xcb->connection);
break;
case PASTE_SECONDARY:
xcb_convert_selection(xcb->connection, CacheState.main_window,
netatoms[CLIPBOARD], xcb->ewmh.UTF8_STRING,
xcb->ewmh.UTF8_STRING, XCB_CURRENT_TIME);
xcb_flush(xcb->connection);
break;
case SCREENSHOT:
rofi_capture_screenshot();
break;
case CHANGE_ELLIPSIZE:
if (state->list_view) {
listview_toggle_ellipsizing(state->list_view);
}
break;
case TOGGLE_SORT:
if (state->case_indicator != NULL) {
config.sort = !config.sort;
state->refilter = TRUE;
textbox_text(state->case_indicator, get_matching_state());
}
break;
case MODE_PREVIOUS:
state->retv = MENU_PREVIOUS;
(state->selected_line) = 0;
state->quit = TRUE;
break;
// Menu navigation.
case MODE_NEXT:
state->retv = MENU_NEXT;
(state->selected_line) = 0;
state->quit = TRUE;
break;
case MODE_COMPLETE: {
unsigned int selected = listview_get_selected(state->list_view);
state->selected_line = UINT32_MAX;
if (selected < state->filtered_lines) {
state->selected_line = state->line_map[selected];
}
state->retv = MENU_COMPLETE;
state->quit = TRUE;
break;
}
// Toggle case sensitivity.
case TOGGLE_CASE_SENSITIVITY:
if (state->case_indicator != NULL) {
config.case_sensitive = !config.case_sensitive;
(state->selected_line) = 0;
state->refilter = TRUE;
textbox_text(state->case_indicator, get_matching_state());
}
break;
// Special delete entry command.
case DELETE_ENTRY: {
unsigned int selected = listview_get_selected(state->list_view);
if (selected < state->filtered_lines) {
(state->selected_line) = state->line_map[selected];
state->retv = MENU_ENTRY_DELETE;
state->quit = TRUE;
}
break;
}
case SELECT_ELEMENT_1:
case SELECT_ELEMENT_2:
case SELECT_ELEMENT_3:
case SELECT_ELEMENT_4:
case SELECT_ELEMENT_5:
case SELECT_ELEMENT_6:
case SELECT_ELEMENT_7:
case SELECT_ELEMENT_8:
case SELECT_ELEMENT_9:
case SELECT_ELEMENT_10: {
unsigned int index = action - SELECT_ELEMENT_1;
if (index < state->filtered_lines) {
state->selected_line = state->line_map[index];
state->retv = MENU_OK;
state->quit = TRUE;
}
break;
}
case CUSTOM_1:
case CUSTOM_2:
case CUSTOM_3:
case CUSTOM_4:
case CUSTOM_5:
case CUSTOM_6:
case CUSTOM_7:
case CUSTOM_8:
case CUSTOM_9:
case CUSTOM_10:
case CUSTOM_11:
case CUSTOM_12:
case CUSTOM_13:
case CUSTOM_14:
case CUSTOM_15:
case CUSTOM_16:
case CUSTOM_17:
case CUSTOM_18:
case CUSTOM_19: {
state->selected_line = UINT32_MAX;
unsigned int selected = listview_get_selected(state->list_view);
if (selected < state->filtered_lines) {
(state->selected_line) = state->line_map[selected];
}
state->retv = MENU_CUSTOM_COMMAND | ((action - CUSTOM_1) & MENU_LOWER_MASK);
state->quit = TRUE;
break;
}
// If you add a binding here, make sure to add it to
// rofi_view_keyboard_navigation too
case CANCEL:
state->retv = MENU_CANCEL;
state->quit = TRUE;
break;
case ROW_UP:
listview_nav_up(state->list_view);
break;
case ROW_TAB:
rofi_view_nav_row_tab(state);
break;
case ROW_DOWN:
listview_nav_down(state->list_view);
break;
case ROW_LEFT:
listview_nav_left(state->list_view);
break;
case ROW_RIGHT:
listview_nav_right(state->list_view);
break;
case PAGE_PREV:
listview_nav_page_prev(state->list_view);
break;
case PAGE_NEXT:
listview_nav_page_next(state->list_view);
break;
case ROW_FIRST:
rofi_view_nav_first(state);
break;
case ROW_LAST:
rofi_view_nav_last(state);
break;
case ROW_SELECT:
rofi_view_nav_row_select(state);
break;
// If you add a binding here, make sure to add it to textbox_keybinding too
case MOVE_CHAR_BACK: {
if (textbox_keybinding(state->text, action) == 0) {
listview_nav_left(state->list_view);
}
break;
}
case MOVE_CHAR_FORWARD: {
if (textbox_keybinding(state->text, action) == 0) {
listview_nav_right(state->list_view);
}
break;
}
case CLEAR_LINE:
case MOVE_FRONT:
case MOVE_END:
case REMOVE_TO_EOL:
case REMOVE_TO_SOL:
case REMOVE_WORD_BACK:
case REMOVE_WORD_FORWARD:
case REMOVE_CHAR_FORWARD:
case MOVE_WORD_BACK:
case MOVE_WORD_FORWARD:
case REMOVE_CHAR_BACK: {
int rc = textbox_keybinding(state->text, action);
if (rc == 1) {
// Entry changed.
state->refilter = TRUE;
rofi_view_input_changed();
} else if (rc == 2) {
// Movement.
}
break;
}
case ACCEPT_ALT: {
unsigned int selected = listview_get_selected(state->list_view);
state->selected_line = UINT32_MAX;
if (selected < state->filtered_lines) {
(state->selected_line) = state->line_map[selected];
state->retv = MENU_OK;
} else {
// Nothing entered and nothing selected.
state->retv = MENU_CUSTOM_INPUT;
}
state->retv |= MENU_CUSTOM_ACTION;
state->quit = TRUE;
break;
}
case ACCEPT_CUSTOM: {
state->selected_line = UINT32_MAX;
state->retv = MENU_CUSTOM_INPUT;
state->quit = TRUE;
break;
}
case ACCEPT_CUSTOM_ALT: {
state->selected_line = UINT32_MAX;
state->retv = MENU_CUSTOM_INPUT | MENU_CUSTOM_ACTION;
state->quit = TRUE;
break;
}
case ACCEPT_ENTRY: {
// If a valid item is selected, return that..
unsigned int selected = listview_get_selected(state->list_view);
state->selected_line = UINT32_MAX;
if (selected < state->filtered_lines) {
(state->selected_line) = state->line_map[selected];
state->retv = MENU_OK;
} else {
// Nothing entered and nothing selected.
state->retv = MENU_CUSTOM_INPUT;
}
state->quit = TRUE;
break;
}
}
}
gboolean rofi_view_trigger_action(RofiViewState *state, BindingsScope scope,
guint action) {
rofi_view_set_user_timeout(NULL);
switch (scope) {
case SCOPE_GLOBAL:
rofi_view_trigger_global_action(action);
return TRUE;
case SCOPE_MOUSE_LISTVIEW:
case SCOPE_MOUSE_LISTVIEW_ELEMENT:
case SCOPE_MOUSE_EDITBOX:
case SCOPE_MOUSE_SCROLLBAR:
case SCOPE_MOUSE_MODE_SWITCHER: {
gint x = state->mouse.x, y = state->mouse.y;
widget *target = widget_find_mouse_target(WIDGET(state->main_window),
(WidgetType)scope, x, y);
if (target == NULL) {
return FALSE;
}
widget_xy_to_relative(target, &x, &y);
switch (widget_trigger_action(target, action, x, y)) {
case WIDGET_TRIGGER_ACTION_RESULT_IGNORED:
return FALSE;
case WIDGET_TRIGGER_ACTION_RESULT_GRAB_MOTION_END:
target = NULL;
/* FALLTHRU */
case WIDGET_TRIGGER_ACTION_RESULT_GRAB_MOTION_BEGIN:
state->mouse.motion_target = target;
/* FALLTHRU */
case WIDGET_TRIGGER_ACTION_RESULT_HANDLED:
return TRUE;
}
break;
}
}
return FALSE;
}
void rofi_view_handle_text(RofiViewState *state, char *text) {
if (textbox_append_text(state->text, text, strlen(text))) {
state->refilter = TRUE;
rofi_view_input_changed();
}
}
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 RofiCursorType rofi_view_resolve_cursor(RofiViewState *state, gint x,
gint y) {
widget *target = widget_find_mouse_target(WIDGET(state->main_window),
WIDGET_TYPE_UNKNOWN, x, y);
return target != NULL ? target->cursor_type : ROFI_CURSOR_DEFAULT;
}
static void rofi_view_set_cursor(RofiCursorType type) {
X11CursorType x11_type = rofi_cursor_type_to_x11_cursor_type(type);
if (x11_type == CacheState.cursor_type) {
return;
}
CacheState.cursor_type = x11_type;
x11_set_cursor(CacheState.main_window, x11_type);
}
void rofi_view_handle_mouse_motion(RofiViewState *state, gint x, gint y,
gboolean find_mouse_target) {
state->mouse.x = x;
state->mouse.y = y;
RofiCursorType cursor_type = rofi_view_resolve_cursor(state, x, y);
rofi_view_set_cursor(cursor_type);
if (find_mouse_target) {
widget *target = widget_find_mouse_target(
WIDGET(state->main_window), WIDGET_TYPE_LISTVIEW_ELEMENT, x, y);
if (target != NULL) {
state->mouse.motion_target = target;
}
}
if (state->mouse.motion_target != NULL) {
widget_xy_to_relative(state->mouse.motion_target, &x, &y);
widget_motion_notify(state->mouse.motion_target, x, y);
if (find_mouse_target) {
state->mouse.motion_target = NULL;
}
}
}
void 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);
}
/**
* Handle window configure event.
* Handles resizes.
*/
void 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(CacheState.edit_draw);
cairo_surface_destroy(CacheState.edit_surf);
xcb_free_pixmap(xcb->connection, CacheState.edit_pixmap);
CacheState.edit_pixmap = xcb_generate_id(xcb->connection);
xcb_create_pixmap(xcb->connection, depth->depth, CacheState.edit_pixmap,
CacheState.main_window, state->width, state->height);
CacheState.edit_surf =
cairo_xcb_surface_create(xcb->connection, CacheState.edit_pixmap,
visual, state->width, state->height);
CacheState.edit_draw = cairo_create(CacheState.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 )
*/
void 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;
}
}
}
void rofi_view_frame_callback(void) {
if (CacheState.repaint_source == 0) {
CacheState.repaint_source =
g_idle_add_full(G_PRIORITY_HIGH_IDLE, rofi_view_repaint, NULL, NULL);
}
}
static int rofi_view_calculate_height(RofiViewState *state) {
if (CacheState.fullscreen == TRUE) {
return CacheState.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 WidgetTriggerActionResult textbox_button_trigger_action(
widget *wid, MouseBindingMouseDefaultAction action, G_GNUC_UNUSED gint x,
G_GNUC_UNUSED gint y, G_GNUC_UNUSED void *user_data) {
RofiViewState *state = (RofiViewState *)user_data;
switch (action) {
case MOUSE_CLICK_DOWN: {
const char *type = rofi_theme_get_string(wid, "action", NULL);
if (type ) {
if ( state->list_view) {
(state->selected_line) =
state->line_map[listview_get_selected(state->list_view)];
} else {
(state->selected_line) = UINT32_MAX;
}
guint id = key_binding_get_action_from_name(type);
if (id != UINT32_MAX) {
rofi_view_trigger_global_action(id);
}
state->skip_absorb = TRUE;
return WIDGET_TRIGGER_ACTION_RESULT_HANDLED;
}
}
case MOUSE_CLICK_UP:
case MOUSE_DCLICK_DOWN:
case MOUSE_DCLICK_UP:
break;
}
return WIDGET_TRIGGER_ACTION_RESULT_IGNORED;
}
static WidgetTriggerActionResult textbox_sidebar_modi_trigger_action(
widget *wid, MouseBindingMouseDefaultAction action, G_GNUC_UNUSED gint x,
G_GNUC_UNUSED gint y, G_GNUC_UNUSED void *user_data) {
RofiViewState *state = (RofiViewState *)user_data;
unsigned int i;
for (i = 0; i < state->num_modi; i++) {
if (WIDGET(state->modi[i]) == wid) {
break;
}
}
if (i == state->num_modi) {
return WIDGET_TRIGGER_ACTION_RESULT_IGNORED;
}
switch (action) {
case MOUSE_CLICK_DOWN:
state->retv = MENU_QUICK_SWITCH | (i & MENU_LOWER_MASK);
state->quit = TRUE;
state->skip_absorb = TRUE;
return WIDGET_TRIGGER_ACTION_RESULT_HANDLED;
case MOUSE_CLICK_UP:
case MOUSE_DCLICK_DOWN:
case MOUSE_DCLICK_UP:
break;
}
return WIDGET_TRIGGER_ACTION_RESULT_IGNORED;
}
// @TODO don't like this construction.
static void rofi_view_listview_mouse_activated_cb(listview *lv, gboolean custom,
void *udata) {
RofiViewState *state = (RofiViewState *)udata;
state->retv = MENU_OK;
if (custom) {
state->retv |= MENU_CUSTOM_ACTION;
}
(state->selected_line) = state->line_map[listview_get_selected(lv)];
// Quit
state->quit = TRUE;
state->skip_absorb = TRUE;
}
static void rofi_view_add_widget(RofiViewState *state, widget *parent_widget,
const char *name) {
char *defaults = NULL;
widget *wid = NULL;
/**
* MAINBOX
*/
if (strcmp(name, "mainbox") == 0) {
wid = (widget *)box_create(parent_widget, name, ROFI_ORIENTATION_VERTICAL);
box_add((box *)parent_widget, WIDGET(wid), TRUE);
if (config.sidebar_mode) {
defaults = "inputbar,message,listview,mode-switcher";
} else {
defaults = "inputbar,message,listview";
}
}
/**
* INPUTBAR
*/
else if (strcmp(name, "inputbar") == 0) {
wid =
(widget *)box_create(parent_widget, name, ROFI_ORIENTATION_HORIZONTAL);
defaults = "prompt,entry,overlay,case-indicator";
box_add((box *)parent_widget, WIDGET(wid), FALSE);
}
/**
* PROMPT
*/
else if (strcmp(name, "prompt") == 0) {
if (state->prompt != NULL) {
g_error("Prompt widget can only be added once to the layout.");
return;
}
// Prompt box.
state->prompt =
textbox_create(parent_widget, WIDGET_TYPE_TEXTBOX_TEXT, name,
TB_AUTOWIDTH | TB_AUTOHEIGHT, NORMAL, "", 0, 0);
rofi_view_update_prompt(state);
box_add((box *)parent_widget, WIDGET(state->prompt), FALSE);
defaults = NULL;
} else if (strcmp(name, "num-rows") == 0) {
state->tb_total_rows =
textbox_create(parent_widget, WIDGET_TYPE_TEXTBOX_TEXT, name,
TB_AUTOWIDTH | TB_AUTOHEIGHT, NORMAL, "", 0, 0);
box_add((box *)parent_widget, WIDGET(state->tb_total_rows), FALSE);
defaults = NULL;
} else if (strcmp(name, "num-filtered-rows") == 0) {
state->tb_filtered_rows =
textbox_create(parent_widget, WIDGET_TYPE_TEXTBOX_TEXT, name,
TB_AUTOWIDTH | TB_AUTOHEIGHT, NORMAL, "", 0, 0);
box_add((box *)parent_widget, WIDGET(state->tb_filtered_rows), FALSE);
defaults = NULL;
}
/**
* CASE INDICATOR
*/
else if (strcmp(name, "case-indicator") == 0) {
if (state->case_indicator != NULL) {
g_error("Case indicator widget can only be added once to the layout.");
return;
}
state->case_indicator =
textbox_create(parent_widget, WIDGET_TYPE_TEXTBOX_TEXT, name,
TB_AUTOWIDTH | TB_AUTOHEIGHT, NORMAL, "*", 0, 0);
// Add small separator between case indicator and text box.
box_add((box *)parent_widget, WIDGET(state->case_indicator), FALSE);
textbox_text(state->case_indicator, get_matching_state());
}
/**
* ENTRY BOX
*/
else if (strcmp(name, "entry") == 0) {
if (state->text != NULL) {
g_error("Entry textbox widget can only be added once to the layout.");
return;
}
// Entry box
TextboxFlags tfl = TB_EDITABLE;
tfl |= ((state->menu_flags & MENU_PASSWORD) == MENU_PASSWORD) ? TB_PASSWORD
: 0;
state->text = textbox_create(parent_widget, WIDGET_TYPE_EDITBOX, name,
tfl | TB_AUTOHEIGHT, NORMAL, NULL, 0, 0);
box_add((box *)parent_widget, WIDGET(state->text), TRUE);
}
/**
* MESSAGE
*/
else if (strcmp(name, "message") == 0) {
if (state->mesg_box != NULL) {
g_error("Message widget can only be added once to the layout.");
return;
}
state->mesg_box = container_create(parent_widget, name);
state->mesg_tb = textbox_create(
WIDGET(state->mesg_box), WIDGET_TYPE_TEXTBOX_TEXT, "textbox",
TB_AUTOHEIGHT | TB_MARKUP | TB_WRAP, NORMAL, NULL, 0, 0);
container_add(state->mesg_box, WIDGET(state->mesg_tb));
rofi_view_reload_message_bar(state);
box_add((box *)parent_widget, WIDGET(state->mesg_box), FALSE);
}
/**
* LISTVIEW
*/
else if (strcmp(name, "listview") == 0) {
if (state->list_view != NULL) {
g_error("Listview widget can only be added once to the layout.");
return;
}
state->list_view = listview_create(parent_widget, name, update_callback,
state, config.element_height, 0);
box_add((box *)parent_widget, WIDGET(state->list_view), TRUE);
// Set configuration
listview_set_multi_select(state->list_view,
(state->menu_flags & MENU_INDICATOR) ==
MENU_INDICATOR);
listview_set_scroll_type(state->list_view, config.scroll_method);
listview_set_mouse_activated_cb(
state->list_view, rofi_view_listview_mouse_activated_cb, state);
int lines = rofi_theme_get_integer(WIDGET(state->list_view), "lines",
DEFAULT_MENU_LINES);
listview_set_num_lines(state->list_view, lines);
listview_set_max_lines(state->list_view, state->num_lines);
}
/**
* MODE SWITCHER
*/
else if (strcmp(name, "mode-switcher") == 0 || strcmp(name, "sidebar") == 0) {
if (state->sidebar_bar != NULL) {
g_error("Mode-switcher can only be added once to the layout.");
return;
}
state->sidebar_bar =
box_create(parent_widget, name, ROFI_ORIENTATION_HORIZONTAL);
box_add((box *)parent_widget, WIDGET(state->sidebar_bar), FALSE);
state->num_modi = rofi_get_num_enabled_modi();
state->modi = g_malloc0(state->num_modi * sizeof(textbox *));
for (unsigned int j = 0; j < state->num_modi; j++) {
const Mode *mode = rofi_get_mode(j);
state->modi[j] = textbox_create(
WIDGET(state->sidebar_bar), WIDGET_TYPE_MODE_SWITCHER, "button",
TB_AUTOHEIGHT, (mode == state->sw) ? HIGHLIGHT : NORMAL,
mode_get_display_name(mode), 0.5, 0.5);
box_add(state->sidebar_bar, WIDGET(state->modi[j]), TRUE);
widget_set_trigger_action_handler(
WIDGET(state->modi[j]), textbox_sidebar_modi_trigger_action, state);
}
} else if (g_ascii_strcasecmp(name, "overlay") == 0) {
state->overlay = textbox_create(
WIDGET(parent_widget), WIDGET_TYPE_TEXTBOX_TEXT, "overlay",
TB_AUTOWIDTH | TB_AUTOHEIGHT, URGENT, "blaat", 0.5, 0);
box_add((box *)parent_widget, WIDGET(state->overlay), FALSE);
widget_disable(WIDGET(state->overlay));
} else if (g_ascii_strncasecmp(name, "textbox", 7) == 0) {
textbox *t = textbox_create(parent_widget, WIDGET_TYPE_TEXTBOX_TEXT, name,
TB_AUTOHEIGHT | TB_WRAP, NORMAL, "", 0, 0);
box_add((box *)parent_widget, WIDGET(t), TRUE);
} else if (g_ascii_strncasecmp(name, "button", 6) == 0) {
textbox *t = textbox_create(parent_widget, WIDGET_TYPE_EDITBOX, name,
TB_AUTOHEIGHT | TB_WRAP, NORMAL, "", 0, 0);
box_add((box *)parent_widget, WIDGET(t), TRUE);
widget_set_trigger_action_handler(WIDGET(t), textbox_button_trigger_action,
state);
} else if (g_ascii_strncasecmp(name, "icon", 4) == 0) {
icon *t = icon_create(parent_widget, name);
/* small hack to make it clickable */
const char *type = rofi_theme_get_string(WIDGET(t), "action", NULL);
if (type) {
WIDGET(t)->type = WIDGET_TYPE_EDITBOX;
}
box_add((box *)parent_widget, WIDGET(t), TRUE);
widget_set_trigger_action_handler(WIDGET(t), textbox_button_trigger_action,
state);
} else {
wid = (widget *)box_create(parent_widget, name, ROFI_ORIENTATION_VERTICAL);
box_add((box *)parent_widget, WIDGET(wid), TRUE);
// g_error("The widget %s does not exists. Invalid layout.", name);
}
if (wid) {
GList *list = rofi_theme_get_list(wid, "children", defaults);
for (const GList *iter = list; iter != NULL; iter = g_list_next(iter)) {
rofi_view_add_widget(state, wid, (const char *)iter->data);
}
g_list_free_full(list, g_free);
}
}
static void 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);
}
RofiViewState *rofi_view_create(Mode *sw, const char *input,
MenuFlags menu_flags,
void (*finalize)(RofiViewState *)) {
TICK();
RofiViewState *state = __rofi_view_state_create();
state->menu_flags = menu_flags;
state->sw = sw;
state->selected_line = UINT32_MAX;
state->retv = MENU_CANCEL;
state->distance = NULL;
state->quit = FALSE;
state->skip_absorb = FALSE;
// We want to filter on the first run.
state->refilter = TRUE;
state->finalize = finalize;
state->mouse_seen = FALSE;
// Request the lines to show.
state->num_lines = mode_get_num_entries(sw);
if (state->sw) {
char *title =
g_strdup_printf("rofi - %s", mode_get_display_name(state->sw));
rofi_view_set_window_title(title);
g_free(title);
} else {
rofi_view_set_window_title("rofi");
}
TICK_N("Startup notification");
// Get active monitor size.
TICK_N("Get active monitor");
state->main_window = box_create(NULL, "window", ROFI_ORIENTATION_VERTICAL);
// Get children.
GList *list =
rofi_theme_get_list(WIDGET(state->main_window), "children", "mainbox");
for (const GList *iter = list; iter != NULL; iter = g_list_next(iter)) {
rofi_view_add_widget(state, WIDGET(state->main_window),
(const char *)iter->data);
}
g_list_free_full(list, g_free);
if (state->text && input) {
textbox_text(state->text, input);
textbox_cursor_end(state->text);
}
// filtered list
state->line_map = g_malloc0_n(state->num_lines, sizeof(unsigned int));
state->distance = (int *)g_malloc0_n(state->num_lines, sizeof(int));
rofi_view_calculate_window_width(state);
// Only needed when window is fixed size.
if ((CacheState.flags & MENU_NORMAL_WINDOW) == MENU_NORMAL_WINDOW) {
listview_set_fixed_num_lines(state->list_view);
}
state->height = rofi_view_calculate_height(state);
// Move the window to the correct x,y position.
rofi_view_calculate_window_position(state);
rofi_view_window_update_size(state);
state->quit = FALSE;
rofi_view_refilter(state);
rofi_view_update(state, TRUE);
xcb_map_window(xcb->connection, CacheState.main_window);
widget_queue_redraw(WIDGET(state->main_window));
rofi_view_ping_mouse(state);
xcb_flush(xcb->connection);
rofi_view_set_user_timeout(NULL);
/* When Override Redirect, the WM will not let us know we can take focus, so
* just steal it */
if (((menu_flags & MENU_NORMAL_WINDOW) == 0)) {
rofi_xcb_set_input_focus(CacheState.main_window);
}
if (xcb->sncontext != NULL) {
sn_launchee_context_complete(xcb->sncontext);
}
return state;
}
int rofi_view_error_dialog(const char *msg, int markup) {
RofiViewState *state = __rofi_view_state_create();
state->retv = MENU_CANCEL;
state->menu_flags = MENU_ERROR_DIALOG;
state->finalize = process_result;
state->main_window = box_create(NULL, "window", ROFI_ORIENTATION_VERTICAL);
box *box = box_create(WIDGET(state->main_window), "error-message",
ROFI_ORIENTATION_VERTICAL);
box_add(state->main_window, WIDGET(box), TRUE);
state->text =
textbox_create(WIDGET(box), WIDGET_TYPE_TEXTBOX_TEXT, "textbox",
(TB_AUTOHEIGHT | TB_WRAP) + ((markup) ? TB_MARKUP : 0),
NORMAL, (msg != NULL) ? msg : "", 0, 0);
box_add(box, WIDGET(state->text), TRUE);
// Make sure we enable fixed num lines when in normal window mode.
if ((CacheState.flags & MENU_NORMAL_WINDOW) == MENU_NORMAL_WINDOW) {
listview_set_fixed_num_lines(state->list_view);
}
rofi_view_calculate_window_width(state);
state->height = rofi_view_calculate_height(state);
// Calculate window position.
rofi_view_calculate_window_position(state);
// Move the window to the correct x,y position.
rofi_view_window_update_size(state);
// Display it.
xcb_map_window(xcb->connection, CacheState.main_window);
widget_queue_redraw(WIDGET(state->main_window));
if (xcb->sncontext != NULL) {
sn_launchee_context_complete(xcb->sncontext);
}
// Set it as current window.
rofi_view_set_active(state);
return TRUE;
}
void rofi_view_hide(void) {
if (CacheState.main_window != XCB_WINDOW_NONE) {
rofi_xcb_revert_input_focus();
xcb_unmap_window(xcb->connection, CacheState.main_window);
display_early_cleanup();
}
}
void rofi_view_cleanup() {
g_debug("Cleanup.");
if (CacheState.idle_timeout > 0) {
g_source_remove(CacheState.idle_timeout);
CacheState.idle_timeout = 0;
}
if (CacheState.user_timeout > 0) {
g_source_remove(CacheState.user_timeout);
CacheState.user_timeout = 0;
}
if (CacheState.repaint_source > 0) {
g_source_remove(CacheState.repaint_source);
CacheState.repaint_source = 0;
}
if (CacheState.fake_bg) {
cairo_surface_destroy(CacheState.fake_bg);
CacheState.fake_bg = NULL;
}
if (CacheState.edit_draw) {
cairo_destroy(CacheState.edit_draw);
CacheState.edit_draw = NULL;
}
if (CacheState.edit_surf) {
cairo_surface_destroy(CacheState.edit_surf);
CacheState.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);
rofi_xcb_revert_input_focus();
xcb_free_gc(xcb->connection, CacheState.gc);
xcb_free_pixmap(xcb->connection, CacheState.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)));
}
void rofi_view_workers_initialize(void) {
TICK_N("Setup Threadpool, start");
if (config.threads == 0) {
config.threads = 1;
long procs = sysconf(_SC_NPROCESSORS_CONF);
if (procs > 0) {
config.threads = MIN(procs, 128l);
}
}
// Create thread pool
GError *error = NULL;
tpool = g_thread_pool_new(rofi_view_call_thread, NULL, config.threads, FALSE,
&error);
if (error == NULL) {
// Idle threads should stick around for a max of 60 seconds.
g_thread_pool_set_max_idle_time(60000);
// We are allowed to have
g_thread_pool_set_max_threads(tpool, config.threads, &error);
}
// If error occurred during setup of pool, tell user and exit.
if (error != NULL) {
g_warning("Failed to setup thread pool: '%s'", error->message);
g_error_free(error);
exit(EXIT_FAILURE);
}
TICK_N("Setup Threadpool, done");
}
void rofi_view_workers_finalize(void) {
if (tpool) {
g_thread_pool_free(tpool, TRUE, TRUE);
tpool = NULL;
}
}
Mode *rofi_view_get_mode(RofiViewState *state) { return state->sw; }
void rofi_view_set_overlay(RofiViewState *state, const char *text) {
if (state->overlay == NULL || state->list_view == NULL) {
return;
}
if (text == NULL) {
widget_disable(WIDGET(state->overlay));
return;
}
widget_enable(WIDGET(state->overlay));
textbox_text(state->overlay, text);
// We want to queue a repaint.
rofi_view_queue_redraw();
}
void rofi_view_clear_input(RofiViewState *state) {
if (state->text) {
textbox_text(state->text, "");
rofi_view_set_selected_line(state, 0);
}
}
void rofi_view_ellipsize_start(RofiViewState *state) {
listview_set_ellipsize_start(state->list_view);
}
void rofi_view_switch_mode(RofiViewState *state, Mode *mode) {
state->sw = mode;
// Update prompt;
if (state->prompt) {
rofi_view_update_prompt(state);
}
if (state->sw) {
char *title =
g_strdup_printf("rofi - %s", mode_get_display_name(state->sw));
rofi_view_set_window_title(title);
g_free(title);
} else {
rofi_view_set_window_title("rofi");
}
if (state->sidebar_bar) {
for (unsigned int j = 0; j < state->num_modi; j++) {
const Mode *tb_mode = rofi_get_mode(j);
textbox_font(state->modi[j], (tb_mode == state->sw) ? HIGHLIGHT : NORMAL);
}
}
rofi_view_restart(state);
state->reload = TRUE;
state->refilter = TRUE;
rofi_view_refilter(state);
rofi_view_update(state, TRUE);
}
xcb_window_t rofi_view_get_window(void) { return CacheState.main_window; }
void 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);
}
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