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rofi/source/view.c
Yaroslav f901494c6a Switch to stop cycling feature (#407) 
* Added 'cycle' option to switch list navigation wrapping

* Replaced tabs with spaces

* Updating the expected rofi properties with 'cycle' option

* Updating documentation with the 'cycle' option
2016-05-25 20:40:23 +02:00

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/**
* rofi
*
* MIT/X11 License
* Modified 2016 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.
*/
#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 <cairo.h>
#include <cairo-xcb.h>
#define SN_API_NOT_YET_FROZEN
#include <libsn/sn.h>
#include "settings.h"
#include "rofi.h"
#include "mode.h"
#include "xcb-internal.h"
#include "xkb-internal.h"
#include "helper.h"
#include "textbox.h"
#include "scrollbar.h"
#include "x11-helper.h"
#include "xrmoptions.h"
#include "dialogs/dialogs.h"
#include "view.h"
#include "view-internal.h"
#include "xcb.h"
const char *const separator_style_none = "none";
const char *const separator_style_dash = "dash";
GThreadPool *tpool = NULL;
RofiViewState *current_active_menu = NULL;
static void rofi_view_resize ( RofiViewState *state );
struct
{
xcb_window_t main_window;
cairo_surface_t *surface;
cairo_surface_t *fake_bg;
int fake_bgrel;
cairo_t *draw;
MenuFlags flags;
GQueue views;
int width, height;
int x, y;
workarea mon;
} CacheState = {
.main_window = XCB_WINDOW_NONE,
.surface = NULL,
.fake_bg = NULL,
.fake_bgrel = FALSE,
.draw = NULL,
.flags = MENU_NORMAL,
.views = G_QUEUE_INIT,
.width = 0,
.height = 0,
.x = 0,
.y = 0,
};
static char * get_matching_state ( void )
{
if ( config.case_sensitive ) {
if ( config.levenshtein_sort ) {
return "±";
}
else {
return "-";
}
}
else{
if ( config.levenshtein_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.
*/
static void menu_capture_screenshot ( void )
{
const char *outp = g_getenv ( "ROFI_PNG_OUTPUT" );
if ( CacheState.surface == NULL ) {
// Nothing to store.
fprintf ( stderr, "There is no rofi surface to store\n" );
return;
}
const char *xdg_pict_dir = g_get_user_special_dir ( G_USER_DIRECTORY_PICTURES );
if ( outp == NULL && xdg_pict_dir == NULL ) {
fprintf ( stderr, "XDG user picture directory or ROFI_PNG_OUTPUT is not set. Cannot store screenshot.\n" );
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.png", timestmp );
// 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-%d.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.surface, fpath );
if ( status != CAIRO_STATUS_SUCCESS ) {
fprintf ( stderr, "Failed to produce screenshot '%s', got error: '%s'\n", filename,
cairo_status_to_string ( status ) );
}
g_free ( fpath );
g_free ( filename );
g_free ( timestmp );
g_date_time_unref ( now );
}
/**
* @param state the state of the View.
* @param mon the work area.
*
* Calculates the window poslition
*/
static void calculate_window_position ( void )
{
if ( config.fullscreen ) {
CacheState.x = CacheState.mon.x;
CacheState.y = CacheState.mon.y;
return;
}
// Default location is center.
CacheState.y = CacheState.mon.y + ( CacheState.mon.h - CacheState.height ) / 2;
CacheState.x = CacheState.mon.x + ( CacheState.mon.w - CacheState.width ) / 2;
// Determine window location
switch ( config.location )
{
case WL_NORTH_WEST:
CacheState.x = CacheState.mon.x;
case WL_NORTH:
CacheState.y = CacheState.mon.y;
break;
case WL_NORTH_EAST:
CacheState.y = CacheState.mon.y;
case WL_EAST:
CacheState.x = CacheState.mon.x + CacheState.mon.w - CacheState.width;
break;
case WL_EAST_SOUTH:
CacheState.x = CacheState.mon.x + CacheState.mon.w - CacheState.width;
case WL_SOUTH:
CacheState.y = CacheState.mon.y + CacheState.mon.h - CacheState.height;
break;
case WL_SOUTH_WEST:
CacheState.y = CacheState.mon.y + CacheState.mon.h - CacheState.height;
case WL_WEST:
CacheState.x = CacheState.mon.x;
break;
case WL_CENTER:
default:
break;
}
// Apply offset.
CacheState.x += config.x_offset;
CacheState.y += config.y_offset;
}
void rofi_view_queue_redraw ( void )
{
if ( current_active_menu ) {
current_active_menu->update = TRUE;
xcb_clear_area ( xcb->connection, CacheState.main_window, 1, 0, 0, 1, 1 );
xcb_flush ( xcb->connection );
}
}
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_set_active ( RofiViewState *state )
{
if ( current_active_menu != NULL && state != NULL ) {
g_queue_push_head ( &( CacheState.views ), state );
printf ( "stack view.\n" );
rofi_view_resize ( current_active_menu );
rofi_view_queue_redraw ();
return;
}
else if ( state == NULL && !g_queue_is_empty ( &( CacheState.views ) ) ) {
printf ( "pop view\n" );
current_active_menu = g_queue_pop_head ( &( CacheState.views ) );
rofi_view_resize ( 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;
}
void rofi_view_set_selected_line ( RofiViewState *state, unsigned int selected_line )
{
state->selected_line = selected_line;
// Find the line.
state->selected = 0;
for ( unsigned int i = 0; ( ( state->selected_line ) ) < UINT32_MAX && !state->selected && i < state->filtered_lines; i++ ) {
if ( state->line_map[i] == ( state->selected_line ) ) {
state->selected = i;
break;
}
}
state->update = TRUE;
xcb_clear_area ( xcb->connection, CacheState.main_window, 1, 0, 0, 1, 1 );
xcb_flush ( xcb->connection );
}
void rofi_view_free ( RofiViewState *state )
{
// Do this here?
// Wait for final release?
textbox_free ( state->text );
textbox_free ( state->prompt_tb );
textbox_free ( state->case_indicator );
scrollbar_free ( state->scrollbar );
for ( unsigned int i = 0; i < state->max_elements; i++ ) {
textbox_free ( state->boxes[i] );
}
g_free ( state->boxes );
g_free ( state->line_map );
g_free ( state->distance );
g_free ( state->lines_not_ascii );
// Free the switcher boxes.
// When state is free'ed we should no longer need these.
if ( config.sidebar_mode == TRUE ) {
for ( unsigned int j = 0; j < state->num_modi; j++ ) {
textbox_free ( state->modi[j] );
state->modi[j] = NULL;
}
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;
if ( ( state->selected + 1 ) < state->num_lines ) {
( next_pos ) = state->line_map[state->selected + 1];
}
return next_pos;
}
unsigned int rofi_view_get_completed ( const RofiViewState *state )
{
return state->quit;
}
static void rofi_view_resize ( RofiViewState *state )
{
if ( ( state->menu_flags & MENU_ERROR_DIALOG ) == MENU_ERROR_DIALOG ) {
// Resize of error dialog.
int entrybox_width = CacheState.width - ( 2 * ( state->border ) );
textbox_moveresize ( state->text, state->text->widget.x, state->text->widget.y, entrybox_width, state->line_height );
state->rchanged = TRUE;
state->update = TRUE;
return;
}
unsigned int sbw = config.line_margin + 8;
widget_move ( WIDGET ( state->scrollbar ), CacheState.width - state->border - sbw, state->top_offset );
if ( config.sidebar_mode == TRUE ) {
int width = ( CacheState.width - ( 2 * ( state->border ) + ( state->num_modi - 1 ) * config.line_margin ) ) / state->num_modi;
for ( unsigned int j = 0; j < state->num_modi; j++ ) {
textbox_moveresize ( state->modi[j],
state->border + j * ( width + config.line_margin ), CacheState.height - state->line_height - state->border,
width, state->line_height );
textbox_draw ( state->modi[j], CacheState.draw );
}
}
int entrybox_width = CacheState.width - ( 2 * ( state->border ) );
int offset = 0;
int width = textbox_get_width ( state->case_indicator );
entrybox_width -= width + textbox_get_width ( state->prompt_tb );
offset = width;
textbox_moveresize ( state->text, state->text->widget.x, state->text->widget.y, entrybox_width, state->line_height );
widget_move ( WIDGET ( state->case_indicator ), CacheState.width - state->border - offset, state->border );
/**
* Resize in Height
*/
if ( state->num_lines > 0 ) {
unsigned int last_length = state->max_elements;
int element_height = state->line_height * config.element_height + config.line_margin;
// Calculated new number of boxes.
int h = ( CacheState.height - state->top_offset - config.padding );
if ( config.sidebar_mode == TRUE ) {
h -= state->line_height + config.line_margin;
}
if ( h < 0 ) {
fprintf ( stderr,
"Current padding %u (on each side) does not fit within visible window %u.\n",
config.padding,
CacheState.height );
h = ( CacheState.height - state->top_offset - CacheState.height / 3 );
if ( config.sidebar_mode == TRUE ) {
h -= state->line_height + config.line_margin;
}
}
state->max_rows = MAX ( 1, ( h / element_height ) );
state->menu_lines = state->max_rows;
state->max_elements = state->max_rows * config.menu_columns;
// Free boxes no longer needed.
for ( unsigned int i = state->max_elements; i < last_length; i++ ) {
textbox_free ( state->boxes[i] );
}
// resize array.
state->boxes = g_realloc ( state->boxes, state->max_elements * sizeof ( textbox* ) );
int y_offset = state->top_offset;
int x_offset = state->border;
// Add newly added boxes.
for ( unsigned int i = last_length; i < state->max_elements; i++ ) {
state->boxes[i] = textbox_create ( 0, x_offset, y_offset,
state->element_width, element_height, NORMAL, "" );
}
scrollbar_resize ( state->scrollbar, -1, ( state->max_rows ) * ( element_height ) - config.line_margin );
}
state->rchanged = TRUE;
state->update = TRUE;
}
void rofi_view_itterrate ( RofiViewState *state, xcb_generic_event_t *event, xkb_stuff *xkb )
{
uint8_t type = event->response_type & ~0x80;
switch ( type )
{
case XCB_EXPOSE:
state->update = TRUE;
break;
case XCB_CONFIGURE_NOTIFY:
{
xcb_configure_notify_event_t *xce = (xcb_configure_notify_event_t *) event;
if ( xce->window == CacheState.main_window ) {
if ( CacheState.x != xce->x || CacheState.y != xce->y ) {
CacheState.x = xce->x;
CacheState.y = xce->y;
state->update = TRUE;
}
if ( CacheState.width != xce->width || CacheState.height != xce->height ) {
CacheState.width = xce->width;
CacheState.height = xce->height;
cairo_xcb_surface_set_size ( CacheState.surface, CacheState.width, CacheState.height );
rofi_view_resize ( state );
}
}
break;
}
default:
state->x11_event_loop ( state, event, xkb );
}
rofi_view_update ( state );
}
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 ) );
}
typedef struct _thread_state
{
RofiViewState *state;
char **tokens;
unsigned int start;
unsigned int stop;
unsigned int count;
GCond *cond;
GMutex *mutex;
unsigned int *acount;
void ( *callback )( struct _thread_state *t, gpointer data );
}thread_state;
/**
* @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 );
g_mutex_lock ( t->mutex );
( *( t->acount ) )--;
g_cond_signal ( t->cond );
g_mutex_unlock ( t->mutex );
}
static void filter_elements ( thread_state *t, G_GNUC_UNUSED gpointer user_data )
{
// input changed
for ( unsigned int i = t->start; i < t->stop; i++ ) {
int match = mode_token_match ( t->state->sw, t->tokens, t->state->lines_not_ascii[i],
config.case_sensitive, i );
// If each token was matched, add it to list.
if ( match ) {
t->state->line_map[t->start + t->count] = i;
if ( config.levenshtein_sort ) {
// This is inefficient, need to fix it.
char * str = mode_get_completion ( t->state->sw, i );
t->state->distance[i] = levenshtein ( t->state->text->text, str );
g_free ( str );
}
t->count++;
}
}
}
static void check_is_ascii ( thread_state *t, G_GNUC_UNUSED gpointer user_data )
{
for ( unsigned int i = t->start; i < t->stop; i++ ) {
t->state->lines_not_ascii[i] = mode_is_not_ascii ( t->state->sw, i );
}
}
static void rofi_view_setup_fake_transparency ( void )
{
if ( CacheState.fake_bg == NULL ) {
cairo_surface_t *s = NULL;
/**
* Select Background to use for fake transparency.
* Current options: 'screenshot','background'
*/
if ( g_strcmp0 ( config.fake_background, "screenshot" ) == 0 ) {
s = cairo_xcb_surface_create ( xcb->connection,
xcb_stuff_get_root_window ( xcb ),
root_visual,
xcb->screen->width_in_pixels,
xcb->screen->height_in_pixels );
}
else if ( g_strcmp0 ( config.fake_background, "background" ) == 0 ) {
s = x11_helper_get_bg_surface ();
}
else {
char *fpath = rofi_expand_path ( config.fake_background );
s = cairo_image_surface_create_from_png ( fpath );
CacheState.fake_bgrel = TRUE;
g_free ( fpath );
}
if ( s != NULL ) {
if ( cairo_surface_status ( s ) != CAIRO_STATUS_SUCCESS ) {
cairo_surface_destroy ( s );
s = NULL;
}
else {
CacheState.fake_bg = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32, CacheState.mon.w, CacheState.mon.h );
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 );
}
}
TICK_N ( "Fake transparency" );
}
}
void __create_window ( MenuFlags menu_flags )
{
uint32_t selmask = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
uint32_t selval[] = {
0,
0,
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 = xcb_generate_id ( xcb->connection );
xcb_create_window ( xcb->connection, depth->depth, box, xcb_stuff_get_root_window ( xcb ),
0, 0, 200, 100, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
visual->visual_id, selmask, selval );
CacheState.surface = cairo_xcb_surface_create ( xcb->connection, box, visual, 200, 100 );
// Create a drawable.
CacheState.draw = cairo_create ( CacheState.surface );
g_assert ( CacheState.draw != NULL );
cairo_set_operator ( CacheState.draw, CAIRO_OPERATOR_SOURCE );
// 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.surface, fo );
PangoContext *p = pango_cairo_create_context ( CacheState.draw );
// Set the font options from the xlib surface
pango_cairo_context_set_font_options ( p, fo );
// Setup dpi
if ( config.dpi > 0 ) {
PangoFontMap *font_map = pango_cairo_font_map_get_default ();
pango_cairo_font_map_set_resolution ( (PangoCairoFontMap *) font_map, (double) config.dpi );
}
// Setup font.
if ( config.menu_font ) {
PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
pango_context_set_font_description ( p, pfd );
pango_font_description_free ( pfd );
}
// Tell textbox to use this context.
textbox_set_pango_context ( p );
// cleanup
g_object_unref ( p );
cairo_font_options_destroy ( fo );
// // make it an unmanaged window
if ( ( ( menu_flags & MENU_NORMAL_WINDOW ) == 0 ) ) {
window_set_atom_prop ( box, xcb->ewmh._NET_WM_STATE, &( xcb->ewmh._NET_WM_STATE_ABOVE ), 1 );
uint32_t values[] = { 1 };
xcb_change_window_attributes ( xcb->connection, box, XCB_CW_OVERRIDE_REDIRECT, values );
}
else{
window_set_atom_prop ( box, xcb->ewmh._NET_WM_WINDOW_TYPE, &( xcb->ewmh._NET_WM_WINDOW_TYPE_NORMAL ), 1 );
}
if ( config.fullscreen ) {
xcb_atom_t atoms[] = {
xcb->ewmh._NET_WM_STATE_FULLSCREEN,
xcb->ewmh._NET_WM_STATE_ABOVE
};
window_set_atom_prop ( box, xcb->ewmh._NET_WM_STATE, atoms, sizeof ( atoms ) / sizeof ( xcb_atom_t ) );
}
// Set the WM_NAME
xcb_change_property ( xcb->connection, XCB_PROP_MODE_REPLACE, box, xcb->ewmh._NET_WM_NAME, xcb->ewmh.UTF8_STRING, 8, 4, "rofi" );
xcb_change_property ( xcb->connection, XCB_PROP_MODE_REPLACE, box, XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, 4, "rofi" );
x11_set_window_opacity ( box, config.window_opacity );
CacheState.main_window = box;
CacheState.flags = menu_flags;
monitor_active ( &( CacheState.mon ) );
if ( config.fake_transparency ) {
rofi_view_setup_fake_transparency ();
}
if ( xcb->sncontext != NULL ) {
sn_launchee_context_setup_window ( xcb->sncontext, CacheState.main_window );
}
}
/**
* @param state Internal state of the menu.
*
* Calculate the number of rows, columns and elements to display based on the
* configuration and available data.
*/
static void rofi_view_calculate_rows_columns ( RofiViewState *state )
{
state->columns = config.menu_columns;
state->max_elements = MIN ( state->menu_lines * state->columns, state->num_lines );
// Calculate the number or rows. We do this by getting the num_lines rounded up to X columns
// (num elements is better name) then dividing by columns.
state->max_rows = MIN ( state->menu_lines, (unsigned int) ( ( state->num_lines + ( state->columns - state->num_lines %
state->columns ) %
state->columns ) / ( state->columns ) ) );
// Always have at least one row.
state->max_rows = MAX ( 1, state->max_rows );
if ( config.fixed_num_lines == TRUE ) {
state->max_elements = state->menu_lines * state->columns;
state->max_rows = state->menu_lines;
// If it would fit in one column, only use one column.
if ( state->num_lines < state->max_elements ) {
state->columns =
( state->num_lines + ( state->max_rows - state->num_lines % state->max_rows ) % state->max_rows ) / state->max_rows;
state->max_elements = state->menu_lines * state->columns;
}
// Sanitize.
if ( state->columns == 0 ) {
state->columns = 1;
}
}
}
/**
* @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_and_element_width ( RofiViewState *state )
{
if ( config.fullscreen ) {
CacheState.width = CacheState.mon.w;
}
else if ( config.menu_width < 0 ) {
double fw = textbox_get_estimated_char_width ( );
CacheState.width = -( fw * config.menu_width );
CacheState.width += 2 * state->border + 4; // 4 = 2*SIDE_MARGIN
}
else{
// Calculate as float to stop silly, big rounding down errors.
CacheState.width = config.menu_width < 101 ? ( CacheState.mon.w / 100.0f ) * ( float ) config.menu_width : config.menu_width;
}
if ( state->columns > 0 ) {
state->element_width = CacheState.width - ( 2 * ( state->border ) );
// Divide by the # columns
state->element_width = ( state->element_width - ( state->columns - 1 ) * config.line_margin ) / state->columns;
}
}
/**
* Nav helper functions, to avoid duplicate code.
*/
/**
* @param state The current RofiViewState
*
* Move the selection one page down.
* - No wrap around.
* - Clip at top/bottom
*/
inline static void rofi_view_nav_page_next ( RofiViewState *state )
{
// If no lines, do nothing.
if ( state->filtered_lines == 0 ) {
return;
}
state->selected += ( state->max_elements );
if ( state->selected >= state->filtered_lines ) {
state->selected = state->filtered_lines - 1;
}
state->update = TRUE;
}
/**
* @param state The current RofiViewState
*
* Move the selection one page up.
* - No wrap around.
* - Clip at top/bottom
*/
inline static void rofi_view_nav_page_prev ( RofiViewState * state )
{
if ( state->selected < state->max_elements ) {
state->selected = 0;
}
else{
state->selected -= ( state->max_elements );
}
state->update = TRUE;
}
/**
* @param state The current RofiViewState
*
* Move the selection one column to the right.
* - No wrap around.
* - Do not move to top row when at start.
*/
inline static void rofi_view_nav_right ( RofiViewState *state )
{
// If no lines, do nothing.
if ( state->filtered_lines == 0 ) {
return;
}
if ( ( state->selected + state->max_rows ) < state->filtered_lines ) {
state->selected += state->max_rows;
state->update = TRUE;
}
else if ( state->selected < ( state->filtered_lines - 1 ) ) {
// We do not want to move to last item, UNLESS the last column is only
// partially filled, then we still want to move column and select last entry.
// First check the column we are currently in.
int col = state->selected / state->max_rows;
// Check total number of columns.
int ncol = state->filtered_lines / state->max_rows;
// If there is an extra column, move.
if ( col != ncol ) {
state->selected = state->filtered_lines - 1;
state->update = TRUE;
}
}
}
/**
* @param state The current RofiViewState
*
* Move the selection one column to the left.
* - No wrap around.
*/
inline static void rofi_view_nav_left ( RofiViewState *state )
{
if ( state->selected >= state->max_rows ) {
state->selected -= state->max_rows;
state->update = TRUE;
}
}
/**
* @param state The current RofiViewState
*
* Move the selection one row up.
* - Wrap around.
*/
inline static void rofi_view_nav_up ( RofiViewState *state )
{
// If no lines or don't cycle, do nothing.
if ( state->filtered_lines == 0 || ( state->selected == 0 && !config.cycle ) ) {
return;
}
// Wrap around.
if ( state->selected == 0 ) {
state->selected = state->filtered_lines;
}
state->selected--;
state->update = TRUE;
}
/**
* @param state The current RofiViewState
*
* Move the selection one row down.
* - Wrap around.
*/
inline static void rofi_view_nav_down ( RofiViewState *state )
{
// If no lines or don't cycle, do nothing.
if ( state->filtered_lines == 0 || ( state->selected == state->filtered_lines - 1 && !config.cycle ) ) {
return;
}
state->selected = state->selected < state->filtered_lines - 1 ? MIN ( state->filtered_lines - 1, state->selected + 1 ) : 0;
state->update = TRUE;
}
/**
* @param state The current RofiViewState
*
* Move the selection to first row.
*/
inline static void rofi_view_nav_first ( RofiViewState * state )
{
state->selected = 0;
state->update = TRUE;
}
/**
* @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;
state->update = TRUE;
}
static unsigned int rofi_scroll_per_page ( RofiViewState * state )
{
int offset = 0;
// selected row is always visible.
// If selected is visible do not scroll.
if ( ( ( state->selected - ( state->last_offset ) ) < ( state->max_elements ) ) && ( state->selected >= ( state->last_offset ) ) ) {
offset = state->last_offset;
}
else{
// Do paginating
unsigned int page = ( state->max_elements > 0 ) ? ( state->selected / state->max_elements ) : 0;
offset = page * state->max_elements;
state->last_offset = offset;
if ( page != state->cur_page ) {
state->cur_page = page;
state->rchanged = TRUE;
}
// Set the position
scrollbar_set_handle ( state->scrollbar, page * state->max_elements );
}
return offset;
}
static unsigned int rofi_scroll_continious ( RofiViewState * state )
{
unsigned int middle = ( state->menu_lines - ( ( state->menu_lines & 1 ) == 0 ) ) / 2;
unsigned int offset = 0;
if ( state->selected > middle ) {
if ( state->selected < ( state->filtered_lines - ( state->menu_lines - middle ) ) ) {
offset = state->selected - middle;
}
// Don't go below zero.
else if ( state->filtered_lines > state->menu_lines ) {
offset = state->filtered_lines - state->menu_lines;
}
}
if ( offset != state->cur_page ) {
state->rchanged = TRUE;
scrollbar_set_handle ( state->scrollbar, offset );
state->cur_page = offset;
}
return offset;
}
static void rofi_view_draw ( RofiViewState *state, cairo_t *d )
{
unsigned int i, offset = 0;
if ( config.scroll_method == 1 ) {
offset = rofi_scroll_continious ( state );
}
else {
offset = rofi_scroll_per_page ( state );
}
// Re calculate the boxes and sizes, see if we can move this in the menu_calc*rowscolumns
// Get number of remaining lines to display.
unsigned int a_lines = MIN ( ( state->filtered_lines - offset ), state->max_elements );
// Calculate number of columns
unsigned int columns = ( a_lines + ( state->max_rows - a_lines % state->max_rows ) % state->max_rows ) / state->max_rows;
columns = MIN ( columns, state->columns );
// Update the handle length.
// Calculate number of visible rows.
unsigned int max_elements = MIN ( a_lines, state->max_rows * columns );
scrollbar_set_handle_length ( state->scrollbar, columns * state->max_rows );
scrollbar_draw ( state->scrollbar, d );
// Element width.
unsigned int element_width = CacheState.width - ( 2 * ( state->border ) );
if ( state->scrollbar != NULL ) {
element_width -= state->scrollbar->widget.w;
}
if ( columns > 0 ) {
element_width = ( element_width - ( columns - 1 ) * config.line_margin ) / columns;
}
int element_height = state->line_height * config.element_height;
int y_offset = state->top_offset;
int x_offset = state->border;
if ( state->rchanged ) {
// Move, resize visible boxes and show them.
for ( i = 0; i < max_elements && ( i + offset ) < state->filtered_lines; i++ ) {
unsigned int ex = ( ( i ) / state->max_rows ) * ( element_width + config.line_margin );
unsigned int ey = ( ( i ) % state->max_rows ) * ( element_height + config.line_margin );
// Move it around.
textbox_moveresize ( state->boxes[i], ex + x_offset, ey + y_offset, element_width, element_height );
{
TextBoxFontType type = ( ( ( i % state->max_rows ) & 1 ) == 0 ) ? NORMAL : ALT;
int fstate = 0;
char *text = mode_get_display_value ( state->sw, state->line_map[i + offset], &fstate, TRUE );
TextBoxFontType tbft = fstate | ( ( i + offset ) == state->selected ? HIGHLIGHT : type );
textbox_font ( state->boxes[i], tbft );
textbox_text ( state->boxes[i], text );
g_free ( text );
}
textbox_draw ( state->boxes[i], d );
}
state->rchanged = FALSE;
}
else{
// Only do basic redrawing + highlight of row.
for ( i = 0; i < max_elements && ( i + offset ) < state->filtered_lines; i++ ) {
TextBoxFontType type = ( ( ( i % state->max_rows ) & 1 ) == 0 ) ? NORMAL : ALT;
int fstate = 0;
mode_get_display_value ( state->sw, state->line_map[i + offset], &fstate, FALSE );
TextBoxFontType tbft = fstate | ( ( i + offset ) == state->selected ? HIGHLIGHT : type );
textbox_font ( state->boxes[i], tbft );
textbox_draw ( state->boxes[i], d );
}
}
}
void rofi_view_update ( RofiViewState *state )
{
if ( !state->update ) {
return;
}
TICK ();
cairo_surface_t * surf = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32, CacheState.width, CacheState.height );
cairo_t *d = cairo_create ( surf );
cairo_set_operator ( d, CAIRO_OPERATOR_SOURCE );
if ( config.fake_transparency ) {
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) ( CacheState.x - CacheState.mon.x ),
-(double) ( CacheState.y - CacheState.mon.y ) );
}
cairo_paint ( d );
cairo_set_operator ( d, CAIRO_OPERATOR_OVER );
color_background ( d );
cairo_paint ( d );
}
}
else {
// Paint the background.
color_background ( d );
cairo_paint ( d );
}
TICK_N ( "Background" );
color_border ( d );
if ( config.menu_bw > 0 ) {
cairo_save ( d );
cairo_set_line_width ( d, config.menu_bw );
cairo_rectangle ( d,
config.menu_bw / 2.0,
config.menu_bw / 2.0,
CacheState.width - config.menu_bw,
CacheState.height - config.menu_bw );
cairo_stroke ( d );
cairo_restore ( d );
}
// Always paint as overlay over the background.
cairo_set_operator ( d, CAIRO_OPERATOR_OVER );
if ( state->max_elements > 0 ) {
rofi_view_draw ( state, d );
}
if ( state->prompt_tb ) {
textbox_draw ( state->prompt_tb, d );
}
if ( state->text ) {
textbox_draw ( state->text, d );
}
if ( state->case_indicator ) {
textbox_draw ( state->case_indicator, d );
}
if ( state->message_tb ) {
textbox_draw ( state->message_tb, d );
}
color_separator ( d );
if ( strcmp ( config.separator_style, separator_style_none ) ) {
if ( strcmp ( config.separator_style, separator_style_dash ) == 0 ) {
const double dashes[1] = { 4 };
cairo_set_dash ( d, dashes, 1, 0.0 );
}
cairo_move_to ( d, state->border, state->line_height + ( state->border ) * 1 + config.line_margin + 1 );
cairo_line_to ( d, CacheState.width - state->border, state->line_height + ( state->border ) * 1 + config.line_margin + 1 );
cairo_stroke ( d );
if ( state->message_tb ) {
cairo_move_to ( d, state->border, state->top_offset - ( config.line_margin ) - 1 );
cairo_line_to ( d, CacheState.width - state->border, state->top_offset - ( config.line_margin ) - 1 );
cairo_stroke ( d );
}
if ( config.sidebar_mode == TRUE ) {
cairo_move_to ( d, state->border, CacheState.height - state->line_height - ( state->border ) * 1 - 1 - config.line_margin );
cairo_line_to ( d,
CacheState.width - state->border,
CacheState.height - state->line_height - ( state->border ) * 1 - 1 - config.line_margin );
cairo_stroke ( d );
}
}
if ( config.sidebar_mode == TRUE ) {
for ( unsigned int j = 0; j < state->num_modi; j++ ) {
if ( state->modi[j] != NULL ) {
textbox_draw ( state->modi[j], d );
}
}
}
state->update = FALSE;
// Draw to actual window.
cairo_set_source_surface ( CacheState.draw, surf, 0, 0 );
cairo_paint ( CacheState.draw );
// Cleanup
cairo_destroy ( d );
cairo_surface_destroy ( surf );
// Flush the surface.
cairo_surface_flush ( CacheState.surface );
xcb_flush ( xcb->connection );
TICK ();
}
/**
* @param state Internal state of the menu.
* @param xse X selection event.
*
* Handle paste event.
*/
static void rofi_view_paste ( RofiViewState *state, xcb_selection_notify_event_t *xse )
{
if ( xse->property == XCB_ATOM_NONE ) {
fprintf ( stderr, "Failed to convert selection\n" );
}
else if ( xse->property == xcb->ewmh.UTF8_STRING ) {
gchar *text = window_get_text_prop ( CacheState.main_window, xcb->ewmh.UTF8_STRING );
if ( text != NULL && text[0] != '\0' ) {
unsigned int dl = strlen ( text );
// Strip new line
while ( dl > 0 && text[dl] == '\n' ) {
text[dl] = '\0';
dl--;
}
// Insert string move cursor.
textbox_insert ( state->text, state->text->cursor, text, dl );
textbox_cursor ( state->text, state->text->cursor + dl );
// Force a redraw and refiltering of the text.
state->update = TRUE;
state->refilter = TRUE;
}
g_free ( text );
}
else {
fprintf ( stderr, "Failed\n" );
}
}
/**
* @param state Internal state of the menu.
* @param key the Key being pressed.
* @param modstate the modifier state.
*
* Keyboard navigation through the elements.
*/
static void rofi_view_keyboard_navigation ( RofiViewState *state, KeyBindingAction action )
{
switch ( action )
{
// pressing one of the global key bindings closes the switcher. This allows fast closing of the
// menu if an item is not selected
case CANCEL:
state->retv = MENU_CANCEL;
state->quit = TRUE;
break;
// Up, Ctrl-p or Shift-Tab
case ROW_UP:
rofi_view_nav_up ( state );
break;
case ROW_TAB:
if ( state->filtered_lines == 1 ) {
state->retv = MENU_OK;
( state->selected_line ) = state->line_map[state->selected];
state->quit = 1;
break;
}
// Double tab!
if ( state->filtered_lines == 0 && action == state->prev_action ) {
state->retv = MENU_NEXT;
( state->selected_line ) = 0;
state->quit = TRUE;
}
else {
rofi_view_nav_down ( state );
}
state->prev_action = action;
break;
// Down, Ctrl-n
case ROW_DOWN:
rofi_view_nav_down ( state );
break;
case ROW_LEFT:
rofi_view_nav_left ( state );
break;
case ROW_RIGHT:
rofi_view_nav_right ( state );
break;
case PAGE_PREV:
rofi_view_nav_page_prev ( state );
break;
case PAGE_NEXT:
rofi_view_nav_page_next ( state );
break;
case ROW_FIRST:
rofi_view_nav_first ( state );
break;
case ROW_LAST:
rofi_view_nav_last ( state );
break;
case ROW_SELECT:
// If a valid item is selected, return that..
if ( state->selected < state->filtered_lines ) {
char *str = mode_get_completion ( state->sw, state->line_map[state->selected] );
textbox_text ( state->text, str );
g_free ( str );
textbox_cursor_end ( state->text );
state->update = TRUE;
state->refilter = TRUE;
}
break;
default:
g_return_if_reached ();
}
}
static void rofi_view_mouse_navigation ( RofiViewState *state, xcb_button_press_event_t *xbe )
{
// Scroll event
if ( xbe->detail > 3 ) {
if ( xbe->detail == 4 ) {
rofi_view_nav_up ( state );
}
else if ( xbe->detail == 5 ) {
rofi_view_nav_down ( state );
}
else if ( xbe->detail == 6 ) {
rofi_view_nav_left ( state );
}
else if ( xbe->detail == 7 ) {
rofi_view_nav_right ( state );
}
return;
}
else {
if ( state->scrollbar && widget_intersect ( &( state->scrollbar->widget ), xbe->event_x, xbe->event_y ) ) {
state->selected = scrollbar_clicked ( state->scrollbar, xbe->event_y );
state->update = TRUE;
return;
}
for ( unsigned int i = 0; config.sidebar_mode == TRUE && i < state->num_modi; i++ ) {
if ( widget_intersect ( &( state->modi[i]->widget ), xbe->event_x, xbe->event_y ) ) {
( state->selected_line ) = 0;
state->retv = MENU_QUICK_SWITCH | ( i & MENU_LOWER_MASK );
state->quit = TRUE;
state->skip_absorb = TRUE;
return;
}
}
for ( unsigned int i = 0; i < state->max_elements; i++ ) {
if ( widget_intersect ( &( state->boxes[i]->widget ), xbe->event_x, xbe->event_y ) ) {
// Only allow items that are visible to be selected.
if ( ( state->last_offset + i ) >= state->filtered_lines ) {
break;
}
//
state->selected = state->last_offset + i;
state->update = TRUE;
if ( ( xbe->time - state->last_button_press ) < 200 ) {
state->retv = MENU_OK;
( state->selected_line ) = state->line_map[state->selected];
// Quit
state->quit = TRUE;
state->skip_absorb = TRUE;
}
state->last_button_press = xbe->time;
break;
}
}
}
}
static void rofi_view_refilter ( RofiViewState *state )
{
TICK_N ( "Filter start" );
if ( strlen ( state->text->text ) > 0 ) {
unsigned int j = 0;
char **tokens = tokenize ( state->text->text, 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 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].tokens = tokens;
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].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.levenshtein_sort ) {
g_qsort_with_data ( state->line_map, j, sizeof ( int ), lev_sort, state->distance );
}
// Cleanup + bookkeeping.
state->filtered_lines = j;
tokenize_free ( tokens );
}
else{
for ( unsigned int i = 0; i < state->num_lines; i++ ) {
state->line_map[i] = i;
}
state->filtered_lines = state->num_lines;
}
if ( state->filtered_lines > 0 ) {
state->selected = MIN ( state->selected, state->filtered_lines - 1 );
}
else {
state->selected = 0;
}
if ( config.auto_select == TRUE && state->filtered_lines == 1 && state->num_lines > 1 ) {
( state->selected_line ) = state->line_map[state->selected];
state->retv = MENU_OK;
state->quit = TRUE;
}
scrollbar_set_max_value ( state->scrollbar, state->filtered_lines );
state->refilter = FALSE;
state->rchanged = TRUE;
state->update = TRUE;
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 );
}
}
gboolean rofi_view_trigger_action ( RofiViewState *state, KeyBindingAction action )
{
gboolean ret = TRUE;
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, XCB_ATOM_SECONDARY,
xcb->ewmh.UTF8_STRING, xcb->ewmh.UTF8_STRING, XCB_CURRENT_TIME );
xcb_flush ( xcb->connection );
break;
case SCREENSHOT:
menu_capture_screenshot ( );
break;
case TOGGLE_SORT:
config.levenshtein_sort = !config.levenshtein_sort;
state->refilter = TRUE;
state->update = 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;
// Toggle case sensitivity.
case TOGGLE_CASE_SENSITIVITY:
config.case_sensitive = !config.case_sensitive;
( state->selected_line ) = 0;
state->refilter = TRUE;
state->update = TRUE;
textbox_text ( state->case_indicator, get_matching_state () );
break;
// Special delete entry command.
case DELETE_ENTRY:
if ( state->selected < state->filtered_lines ) {
( state->selected_line ) = state->line_map[state->selected];
state->retv = MENU_ENTRY_DELETE;
state->quit = TRUE;
}
else {
ret = FALSE;
}
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;
if ( state->selected < state->filtered_lines ) {
( state->selected_line ) = state->line_map[state->selected];
}
state->retv = MENU_QUICK_SWITCH | ( ( 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:
case ROW_UP:
case ROW_TAB:
case ROW_DOWN:
case ROW_LEFT:
case ROW_RIGHT:
case PAGE_PREV:
case PAGE_NEXT:
case ROW_FIRST:
case ROW_LAST:
case ROW_SELECT:
rofi_view_keyboard_navigation ( state, action );
break;
// If you add a binding here, make sure to add it to textbox_keybinding too
case MOVE_CHAR_BACK:
case MOVE_CHAR_FORWARD:
case CLEAR_LINE:
case MOVE_FRONT:
case MOVE_END:
case REMOVE_WORD_BACK:
case REMOVE_WORD_FORWARD:
case REMOVE_CHAR_FORWARD:
case MOVE_WORD_BACK:
case MOVE_WORD_FORWARD:
case REMOVE_CHAR_BACK:
case ACCEPT_CUSTOM:
case ACCEPT_ENTRY:
{
int rc = textbox_keybinding ( state->text, action );
// Row is accepted.
if ( rc < 0 ) {
// If a valid item is selected, return that..
state->selected_line = UINT32_MAX;
if ( state->selected < state->filtered_lines ) {
( state->selected_line ) = state->line_map[state->selected];
state->retv = MENU_OK;
}
else {
// Nothing entered and nothing selected.
state->retv = MENU_CUSTOM_INPUT;
}
if ( rc == -2 ) {
state->retv |= MENU_CUSTOM_ACTION;
}
state->quit = TRUE;
}
// Key press is handled by entry box.
else if ( rc == 1 ) {
state->refilter = TRUE;
state->update = TRUE;
}
else if ( rc == 2 ) {
// redraw.
state->update = TRUE;
}
break;
}
case NUM_ABE:
ret = FALSE;
break;
}
return ret;
}
static void rofi_view_handle_keypress ( RofiViewState *state, xkb_stuff *xkb, xcb_key_press_event_t *xkpe )
{
xcb_keysym_t key;
char pad[32];
int len = 0;
key = xkb_state_key_get_one_sym ( xkb->state, xkpe->detail );
if ( xkb->compose.state != NULL ) {
if ( ( key != XKB_KEY_NoSymbol ) && ( xkb_compose_state_feed ( xkb->compose.state, key ) == XKB_COMPOSE_FEED_ACCEPTED ) ) {
switch ( xkb_compose_state_get_status ( xkb->compose.state ) )
{
case XKB_COMPOSE_CANCELLED:
/* Eat the keysym that cancelled the compose sequence.
* This is default behaviour with Xlib */
case XKB_COMPOSE_COMPOSING:
key = XKB_KEY_NoSymbol;
break;
case XKB_COMPOSE_COMPOSED:
key = xkb_compose_state_get_one_sym ( xkb->compose.state );
len = xkb_compose_state_get_utf8 ( xkb->compose.state, pad, sizeof ( pad ) );
break;
case XKB_COMPOSE_NOTHING:
break;
}
if ( ( key == XKB_KEY_NoSymbol ) && ( len == 0 ) ) {
return;
}
}
}
if ( len == 0 ) {
len = xkb_state_key_get_utf8 ( xkb->state, xkpe->detail, pad, sizeof ( pad ) );
}
unsigned int modstate = x11_canonalize_mask ( xkpe->state );
if ( key != XKB_KEY_NoSymbol ) {
KeyBindingAction action;
action = abe_find_action ( modstate, key );
if ( rofi_view_trigger_action ( state, action ) ) {
return;
}
}
if ( ( len > 0 ) && ( textbox_append ( state->text, pad, len ) ) ) {
state->refilter = TRUE;
state->update = TRUE;
return;
}
}
static void rofi_view_mainloop_iter ( RofiViewState *state, xcb_generic_event_t *ev, xkb_stuff *xkb )
{
switch ( ev->response_type & ~0x80 )
{
case XCB_FOCUS_IN:
if ( ( state->menu_flags & MENU_NORMAL_WINDOW ) == 0 ) {
take_keyboard ( CacheState.main_window );
}
break;
case XCB_FOCUS_OUT:
if ( ( state->menu_flags & MENU_NORMAL_WINDOW ) == 0 ) {
release_keyboard ( );
}
break;
case XCB_MOTION_NOTIFY:
{
xcb_motion_notify_event_t *xme = (xcb_motion_notify_event_t *) ev;
if ( xme->event_x >= state->scrollbar->widget.x && xme->event_x < ( state->scrollbar->widget.x + state->scrollbar->widget.w ) ) {
state->selected = scrollbar_clicked ( state->scrollbar, xme->event_y );
state->update = TRUE;
}
break;
}
case XCB_BUTTON_PRESS:
rofi_view_mouse_navigation ( state, (xcb_button_press_event_t *) ev );
break;
// Paste event.
case XCB_SELECTION_NOTIFY:
rofi_view_paste ( state, (xcb_selection_notify_event_t *) ev );
break;
case XCB_KEYMAP_NOTIFY:
{
xcb_keymap_notify_event_t *kne = (xcb_keymap_notify_event_t *) ev;
guint modstate = x11_get_current_mask ( xkb );
for ( gint32 by = 0; by < 32; ++by ) {
for ( gint8 bi = 0; bi < 7; ++bi ) {
if ( kne->keys[by] & ( 1 << bi ) ) {
// X11 keycodes starts at 8
xkb_keysym_t key = xkb_state_key_get_one_sym ( xkb->state, ( 8 * by + bi ) + 8 );
abe_find_action ( modstate, key );
}
}
}
break;
}
case XCB_KEY_PRESS:
rofi_view_handle_keypress ( state, xkb, (xcb_key_press_event_t *) ev );
break;
case XCB_KEY_RELEASE:
{
xcb_key_release_event_t *xkre = (xcb_key_release_event_t *) ev;
unsigned int modstate = x11_canonalize_mask ( xkre->state );
if ( modstate == 0 ) {
abe_trigger_release ( );
}
break;
}
}
// Update if requested.
if ( state->refilter ) {
rofi_view_refilter ( state );
}
rofi_view_update ( state );
}
RofiViewState *rofi_view_create ( Mode *sw,
const char *input,
char *prompt,
const char *message,
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->update = FALSE;
state->rchanged = TRUE;
state->cur_page = -1;
state->border = config.padding + config.menu_bw;
state->x11_event_loop = rofi_view_mainloop_iter;
state->finalize = finalize;
// Request the lines to show.
state->num_lines = mode_get_num_entries ( sw );
state->lines_not_ascii = g_malloc0_n ( state->num_lines, sizeof ( int ) );
// find out which lines contain non-ascii codepoints, so we can be faster in some cases.
if ( state->num_lines > 0 ) {
TICK_N ( "Is ASCII start" );
unsigned int nt = MAX ( 1, state->num_lines / 5000 );
thread_state states[nt];
unsigned int steps = ( state->num_lines + nt ) / nt;
unsigned int count = nt;
GCond cond;
GMutex mutex;
g_mutex_init ( &mutex );
g_cond_init ( &cond );
for ( unsigned int i = 0; i < nt; i++ ) {
states[i].state = state;
states[i].start = i * steps;
states[i].stop = MIN ( ( i + 1 ) * steps, state->num_lines );
states[i].acount = &count;
states[i].mutex = &mutex;
states[i].cond = &cond;
states[i].callback = check_is_ascii;
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 );
TICK_N ( "Is ASCII stop" );
}
TICK_N ( "Startup notification" );
// Try to grab the keyboard as early as possible.
// We grab this using the rootwindow (as dmenu does it).
// this seems to result in the smallest delay for most people.
if ( ( CacheState.flags & MENU_NORMAL_WINDOW ) == 0 ) {
int has_keyboard = take_keyboard ( xcb_stuff_get_root_window ( xcb ) );
if ( !has_keyboard ) {
fprintf ( stderr, "Failed to grab keyboard, even after %d uS.", 500 * 1000 );
// Break off.
rofi_view_free ( state );
return NULL;
}
take_pointer ( xcb_stuff_get_root_window ( xcb ) );
}
TICK_N ( "Grab keyboard" );
// Get active monitor size.
TICK_N ( "Get active monitor" );
// we need this at this point so we can get height.
state->line_height = textbox_get_estimated_char_height ();
int element_height = state->line_height * config.element_height;
state->case_indicator = textbox_create ( TB_AUTOWIDTH, ( state->border ), ( state->border ),
0, state->line_height, NORMAL, "*" );
state->top_offset = state->border * 1 + state->line_height + 2 + config.line_margin * 2;
// Height of a row.
if ( config.menu_lines == 0 || config.fullscreen ) {
// Autosize it.
int h = CacheState.mon.h - state->top_offset - config.padding;
if ( config.sidebar_mode == TRUE ) {
h -= state->line_height + config.line_margin;
}
int r = MAX ( 1, ( h ) / ( element_height + config.line_margin ) );
state->menu_lines = r;
}
else {
state->menu_lines = config.menu_lines;
}
rofi_view_calculate_rows_columns ( state );
rofi_view_calculate_window_and_element_width ( state );
// Prompt box.
state->prompt_tb = textbox_create ( TB_AUTOWIDTH, ( state->border ), ( state->border ),
0, state->line_height, NORMAL, prompt );
// Entry box
int entrybox_width = CacheState.width - ( 2 * ( state->border ) ) - textbox_get_width ( state->prompt_tb )
- textbox_get_width ( state->case_indicator );
TextboxFlags tfl = TB_EDITABLE;
tfl |= ( ( menu_flags & MENU_PASSWORD ) == MENU_PASSWORD ) ? TB_PASSWORD : 0;
state->text = textbox_create ( tfl,
( state->border ) + textbox_get_width ( state->prompt_tb ), ( state->border ),
entrybox_width, state->line_height, NORMAL, input );
// Move indicator to end.
widget_move ( WIDGET ( state->case_indicator ), state->border + textbox_get_width ( state->prompt_tb ) + entrybox_width,
state->border );
textbox_text ( state->case_indicator, get_matching_state () );
state->message_tb = NULL;
if ( message ) {
state->message_tb = textbox_create ( TB_AUTOHEIGHT | TB_MARKUP | TB_WRAP,
( state->border ), state->top_offset, CacheState.width - ( 2 * ( state->border ) ),
-1, NORMAL, message );
state->top_offset += textbox_get_height ( state->message_tb );
state->top_offset += config.line_margin * 2 + 2;
}
// filtered list display
state->boxes = g_malloc0_n ( state->max_elements, sizeof ( textbox* ) );
int y_offset = state->top_offset;
int x_offset = state->border;
for ( unsigned int i = 0; i < state->max_elements; i++ ) {
state->boxes[i] = textbox_create ( 0, x_offset, y_offset,
state->element_width, element_height, NORMAL, "" );
}
if ( !config.hide_scrollbar ) {
unsigned int sbw = config.line_margin + config.scrollbar_width;
state->scrollbar = scrollbar_create ( CacheState.width - state->border - sbw, state->top_offset,
sbw, ( state->max_rows - 1 ) * ( element_height + config.line_margin ) + element_height );
}
scrollbar_set_max_value ( state->scrollbar, state->num_lines );
// 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 ) );
// resize window vertically to suit
// Subtract the margin of the last row.
CacheState.height = state->top_offset + ( element_height + config.line_margin ) * ( state->max_rows ) - config.line_margin;
CacheState.height += state->border;
CacheState.height += 0;
// Add entry
if ( config.sidebar_mode == TRUE ) {
CacheState.height += state->line_height + 2 * config.line_margin + 2;
}
// Sidebar or fullscreen mode.
if ( config.menu_lines == 0 || config.fullscreen ) {
CacheState.height = CacheState.mon.h;
}
// Move the window to the correct x,y position.
calculate_window_position ( );
if ( config.sidebar_mode == TRUE ) {
state->num_modi = rofi_get_num_enabled_modi ();
int width = ( CacheState.width - ( 2 * ( state->border ) + ( state->num_modi - 1 ) * config.line_margin ) ) / state->num_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 ( TB_CENTER, state->border + j * ( width + config.line_margin ),
CacheState.height - state->line_height - state->border, width, state->line_height,
( mode == state->sw ) ? HIGHLIGHT : NORMAL, mode_get_name ( mode ) );
}
}
uint16_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
uint32_t vals[] = { CacheState.x, CacheState.y, CacheState.width, CacheState.height };
// Display it.
xcb_configure_window ( xcb->connection, CacheState.main_window, mask, vals );
cairo_xcb_surface_set_size ( CacheState.surface, CacheState.width, CacheState.height );
// if grabbing keyboard failed, fall through
state->selected = 0;
state->quit = FALSE;
state->update = TRUE;
rofi_view_refilter ( state );
rofi_view_update ( state );
xcb_map_window ( xcb->connection, CacheState.main_window );
xcb_flush ( xcb->connection );
if ( xcb->sncontext != NULL ) {
sn_launchee_context_complete ( xcb->sncontext );
}
// TODO move resize window into the 'active window' part.
return state;
}
static void __error_dialog_event_loop ( RofiViewState *state, xcb_generic_event_t *ev, G_GNUC_UNUSED xkb_stuff *xkb )
{
// Handle event.
switch ( ev->response_type & ~0x80 )
{
// Key press event.
case XCB_KEY_PRESS:
state->quit = TRUE;
}
rofi_view_update ( state );
}
int rofi_view_error_dialog ( const char *msg, int markup )
{
RofiViewState *state = __rofi_view_state_create ();
state->retv = MENU_CANCEL;
state->update = TRUE;
state->border = config.padding + config.menu_bw;
state->x11_event_loop = __error_dialog_event_loop;
state->menu_flags = MENU_ERROR_DIALOG;
state->finalize = process_result;
// Try to grab the keyboard as early as possible.
// We grab this using the rootwindow (as dmenu does it).
// this seems to result in the smallest delay for most people.
if ( ( CacheState.flags & MENU_NORMAL_WINDOW ) == 0 ) {
int has_keyboard = take_keyboard ( xcb_stuff_get_root_window ( xcb ) );
if ( !has_keyboard ) {
fprintf ( stderr, "Failed to grab keyboard, even after %d uS.", 500 * 1000 );
return FALSE;
}
take_pointer ( xcb_stuff_get_root_window ( xcb ) );
}
rofi_view_calculate_window_and_element_width ( state );
state->max_elements = 0;
state->text = textbox_create ( ( TB_AUTOHEIGHT | TB_WRAP ) + ( ( markup ) ? TB_MARKUP : 0 ),
( state->border ), ( state->border ),
( CacheState.width - ( 2 * ( state->border ) ) ), 1, NORMAL, ( msg != NULL ) ? msg : "" );
state->line_height = textbox_get_height ( state->text );
// resize window vertically to suit
CacheState.height = state->line_height + ( state->border ) * 2;
// Calculte window position.
calculate_window_position ( );
// Move the window to the correct x,y position.
uint16_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
uint32_t vals[] = { CacheState.x, CacheState.y, CacheState.width, CacheState.height };
xcb_configure_window ( xcb->connection, CacheState.main_window, mask, vals );
cairo_xcb_surface_set_size ( CacheState.surface, CacheState.width, CacheState.height );
// Display it.
xcb_map_window ( xcb->connection, CacheState.main_window );
if ( xcb->sncontext != NULL ) {
sn_launchee_context_complete ( xcb->sncontext );
}
// Set it has current window.
rofi_view_set_active ( state );
// TODO move resize window into the 'active window' part.
return TRUE;
}
void rofi_view_cleanup ()
{
if ( CacheState.fake_bg ) {
cairo_surface_destroy ( CacheState.fake_bg );
CacheState.fake_bg = NULL;
}
if ( CacheState.draw ) {
cairo_destroy ( CacheState.draw );
CacheState.draw = NULL;
}
if ( CacheState.surface ) {
cairo_surface_destroy ( CacheState.surface );
CacheState.surface = NULL;
}
if ( CacheState.main_window != XCB_WINDOW_NONE ) {
xcb_unmap_window ( xcb->connection, CacheState.main_window );
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;
}
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 occured during setup of pool, tell user and exit.
if ( error != NULL ) {
fprintf ( stderr, "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, FALSE );
tpool = NULL;
}
}
Mode * rofi_view_get_mode ( RofiViewState *state )
{
return state->sw;
}
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