mirror of
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720 lines
22 KiB
C
720 lines
22 KiB
C
/**
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* MIT/X11 License
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* Copyright (c) 2012 Sean Pringle <sean.pringle@gmail.com>
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* Modified (c) 2013-2015 Qball Cow <qball@gmpclient.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <config.h>
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#include <X11/X.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/Xmd.h>
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#include <X11/Xutil.h>
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#include <X11/Xproto.h>
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#include <X11/keysym.h>
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#include <X11/XKBlib.h>
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#include <ctype.h>
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#include <glib.h>
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#include <pango/pangocairo.h>
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#include "rofi.h"
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#include "textbox.h"
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#include "keyb.h"
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#include "x11-helper.h"
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#define SIDE_MARGIN 1
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// Use this so we can ignore numlock mask.
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// TODO: maybe use something smarter here..
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extern unsigned int NumlockMask;
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extern unsigned int ModeSwitchMask;
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/**
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* Font + font color cache.
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* Avoid re-loading font on every change on every textbox.
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*/
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typedef struct _RowColor
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{
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Color fg;
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Color bg;
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Color bgalt;
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Color hlfg;
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Color hlbg;
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} RowColor;
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#define num_states 3
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RowColor colors[num_states];
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PangoContext *p_context = NULL;
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textbox* textbox_create ( TextboxFlags flags, short x, short y, short w, short h,
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TextBoxFontType tbft, const char *text )
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{
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textbox *tb = g_malloc0 ( sizeof ( textbox ) );
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tb->flags = flags;
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tb->x = x;
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tb->y = y;
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tb->w = MAX ( 1, w );
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tb->h = MAX ( 1, h );
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tb->changed = FALSE;
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tb->main_surface = cairo_image_surface_create ( get_format (), tb->w, tb->h );
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tb->main_draw = cairo_create ( tb->main_surface );
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tb->layout = pango_cairo_create_layout ( tb->main_draw );
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PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
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pango_layout_set_font_description ( tb->layout, pfd );
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pango_font_description_free ( pfd );
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textbox_font ( tb, tbft );
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if ( ( flags & TB_WRAP ) == TB_WRAP ) {
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pango_layout_set_wrap ( tb->layout, PANGO_WRAP_WORD_CHAR );
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}
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textbox_text ( tb, text ? text : "" );
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textbox_cursor_end ( tb );
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// auto height/width modes get handled here
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textbox_moveresize ( tb, tb->x, tb->y, tb->w, tb->h );
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return tb;
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}
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void textbox_font ( textbox *tb, TextBoxFontType tbft )
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{
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TextBoxFontType t = tbft & STATE_MASK;
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// ACTIVE has priority over URGENT if both set.
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if ( t == ( URGENT | ACTIVE ) ) {
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t = ACTIVE;
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}
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RowColor *color = &( colors[t] );
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switch ( ( tbft & FMOD_MASK ) )
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{
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case HIGHLIGHT:
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tb->color_bg = color->hlbg;
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tb->color_fg = color->hlfg;
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break;
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case ALT:
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tb->color_bg = color->bgalt;
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tb->color_fg = color->fg;
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break;
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default:
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tb->color_bg = color->bg;
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tb->color_fg = color->fg;
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break;
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}
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if ( tb->tbft != tbft ) {
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tb->update = TRUE;
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}
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tb->tbft = tbft;
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}
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// set the default text to display
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void textbox_text ( textbox *tb, const char *text )
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{
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tb->update = TRUE;
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g_free ( tb->text );
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const gchar *last_pointer = NULL;
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if ( g_utf8_validate ( text, -1, &last_pointer ) ) {
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tb->text = g_strdup ( text );
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}
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else {
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if ( last_pointer != NULL ) {
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// Copy string up to invalid character.
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tb->text = g_strndup ( text, ( last_pointer - text ) );
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}
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else {
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tb->text = g_strdup ( "Invalid UTF-8 string." );
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}
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}
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if ( tb->flags & TB_MARKUP || tb->tbft & MARKUP ) {
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pango_layout_set_markup ( tb->layout, tb->text, strlen ( tb->text ) );
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}
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else {
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pango_layout_set_text ( tb->layout, tb->text, strlen ( tb->text ) );
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}
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if ( tb->flags & TB_AUTOWIDTH ) {
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textbox_moveresize ( tb, tb->x, tb->y, tb->w, tb->h );
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}
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tb->cursor = MAX ( 0, MIN ( ( int ) strlen ( text ), tb->cursor ) );
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}
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void textbox_move ( textbox *tb, int x, int y )
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{
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if ( x != tb->x || y != tb->y ) {
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tb->x = x;
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tb->y = y;
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}
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}
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// within the parent handled auto width/height modes
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void textbox_moveresize ( textbox *tb, int x, int y, int w, int h )
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{
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if ( tb->flags & TB_AUTOWIDTH ) {
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pango_layout_set_width ( tb->layout, -1 );
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w = textbox_get_width ( tb );
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}
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else {
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// set ellipsize
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if ( ( tb->flags & TB_EDITABLE ) == TB_EDITABLE ) {
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pango_layout_set_ellipsize ( tb->layout, PANGO_ELLIPSIZE_MIDDLE );
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}
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else if ( ( tb->flags & TB_WRAP ) != TB_WRAP ) {
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pango_layout_set_ellipsize ( tb->layout, PANGO_ELLIPSIZE_END );
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}
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}
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if ( tb->flags & TB_AUTOHEIGHT ) {
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// Width determines height!
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int tw = MAX ( 1, w );
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pango_layout_set_width ( tb->layout, PANGO_SCALE * ( tw - 2 * SIDE_MARGIN ) );
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h = textbox_get_height ( tb );
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}
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if ( x != tb->x || y != tb->y || w != tb->w || h != tb->h ) {
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tb->x = x;
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tb->y = y;
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tb->h = MAX ( 1, h );
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tb->w = MAX ( 1, w );
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}
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// We always want to update this
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pango_layout_set_width ( tb->layout, PANGO_SCALE * ( tb->w - 2 * SIDE_MARGIN ) );
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tb->update = TRUE;
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}
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// will also unmap the window if still displayed
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void textbox_free ( textbox *tb )
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{
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if ( tb == NULL ) {
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return;
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}
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g_free ( tb->text );
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if ( tb->layout != NULL ) {
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g_object_unref ( tb->layout );
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}
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if ( tb->main_draw ) {
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cairo_destroy ( tb->main_draw );
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tb->main_draw = NULL;
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}
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if ( tb->main_surface ) {
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cairo_surface_destroy ( tb->main_surface );
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tb->main_surface = NULL;
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}
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g_free ( tb );
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}
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static void texbox_update ( textbox *tb )
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{
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if ( tb->update ) {
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if ( tb->main_surface ) {
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cairo_destroy ( tb->main_draw );
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cairo_surface_destroy ( tb->main_surface );
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tb->main_draw = NULL;
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tb->main_surface = NULL;
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}
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tb->main_surface = cairo_image_surface_create ( get_format (), tb->w, tb->h );
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tb->main_draw = cairo_create ( tb->main_surface );
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PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
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pango_font_description_free ( pfd );
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cairo_set_operator ( tb->main_draw, CAIRO_OPERATOR_SOURCE );
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pango_cairo_update_layout ( tb->main_draw, tb->layout );
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char *text = tb->text ? tb->text : "";
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int text_len = strlen ( text );
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int font_height = textbox_get_font_height ( tb );
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int cursor_x = 0;
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int cursor_width = MAX ( 2, font_height / 10 );
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if ( tb->changed ) {
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if ( tb->flags & TB_MARKUP ) {
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pango_layout_set_markup ( tb->layout, text, text_len );
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}
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else{
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pango_layout_set_text ( tb->layout, text, text_len );
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}
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}
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if ( tb->flags & TB_EDITABLE ) {
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PangoRectangle pos;
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int cursor_offset = 0;
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cursor_offset = MIN ( tb->cursor, text_len );
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pango_layout_get_cursor_pos ( tb->layout, cursor_offset, &pos, NULL );
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// Add a small 4px offset between cursor and last glyph.
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cursor_x = pos.x / PANGO_SCALE;
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}
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// Skip the side MARGIN on the X axis.
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int x = SIDE_MARGIN;
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int y = 0;
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if ( tb->flags & TB_RIGHT ) {
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int line_width = 0;
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// Get actual width.
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pango_layout_get_pixel_size ( tb->layout, &line_width, NULL );
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x = ( tb->w - line_width - SIDE_MARGIN );
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}
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else if ( tb->flags & TB_CENTER ) {
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int tw = textbox_get_font_width ( tb );
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x = ( ( tb->w - tw - 2 * SIDE_MARGIN ) ) / 2;
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}
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short fh = textbox_get_font_height ( tb );
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if ( fh > tb->h ) {
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y = 0;
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}
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else {
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y = ( ( tb->h - fh ) ) / 2;
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}
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// Set ARGB
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Color col = tb->color_bg;
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cairo_set_source_rgba ( tb->main_draw, col.red, col.green, col.blue, col.alpha );
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cairo_paint ( tb->main_draw );
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// Set ARGB
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col = tb->color_fg;
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cairo_set_source_rgba ( tb->main_draw, col.red, col.green, col.blue, col.alpha );
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cairo_move_to ( tb->main_draw, x, y );
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pango_cairo_show_layout ( tb->main_draw, tb->layout );
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//cairo_fill(tb->draw);
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// draw the cursor
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if ( tb->flags & TB_EDITABLE ) {
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cairo_rectangle ( tb->main_draw, x + cursor_x, y, cursor_width, font_height );
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cairo_fill ( tb->main_draw );
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}
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tb->update = FALSE;
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}
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}
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void textbox_draw ( textbox *tb, cairo_t *draw )
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{
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texbox_update ( tb );
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/* Write buffer */
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cairo_set_source_surface ( draw, tb->main_surface, tb->x, tb->y );
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cairo_rectangle ( draw, tb->x, tb->y, tb->w, tb->h );
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cairo_fill ( draw );
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}
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// cursor handling for edit mode
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void textbox_cursor ( textbox *tb, int pos )
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{
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int length = ( tb->text == NULL ) ? 0 : strlen ( tb->text );
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tb->cursor = MAX ( 0, MIN ( length, pos ) );
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tb->update = TRUE;
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}
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// move right
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void textbox_cursor_inc ( textbox *tb )
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{
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int index = g_utf8_next_char ( &( tb->text[tb->cursor] ) ) - tb->text;
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textbox_cursor ( tb, index );
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}
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// move left
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void textbox_cursor_dec ( textbox *tb )
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{
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int index = g_utf8_prev_char ( &( tb->text[tb->cursor] ) ) - tb->text;
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textbox_cursor ( tb, index );
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}
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// Move word right
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static void textbox_cursor_inc_word ( textbox *tb )
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{
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if ( tb->text == NULL ) {
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return;
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}
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// Find word boundaries, with pango_Break?
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gchar *c = &( tb->text[tb->cursor] );
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while ( ( c = g_utf8_next_char ( c ) ) ) {
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gunichar uc = g_utf8_get_char ( c );
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GUnicodeBreakType bt = g_unichar_break_type ( uc );
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if ( ( bt == G_UNICODE_BREAK_ALPHABETIC || bt == G_UNICODE_BREAK_HEBREW_LETTER ||
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bt == G_UNICODE_BREAK_NUMERIC || bt == G_UNICODE_BREAK_QUOTATION ) ) {
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break;
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}
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}
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if ( c == NULL ) {
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return;
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}
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while ( ( c = g_utf8_next_char ( c ) ) ) {
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gunichar uc = g_utf8_get_char ( c );
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GUnicodeBreakType bt = g_unichar_break_type ( uc );
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if ( !( bt == G_UNICODE_BREAK_ALPHABETIC || bt == G_UNICODE_BREAK_HEBREW_LETTER ||
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bt == G_UNICODE_BREAK_NUMERIC || bt == G_UNICODE_BREAK_QUOTATION ) ) {
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break;
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}
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}
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int index = c - tb->text;
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textbox_cursor ( tb, index );
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}
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// move word left
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static void textbox_cursor_dec_word ( textbox *tb )
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{
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// Find word boundaries, with pango_Break?
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gchar *n;
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gchar *c = &( tb->text[tb->cursor] );
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while ( ( c = g_utf8_prev_char ( c ) ) && c != tb->text ) {
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gunichar uc = g_utf8_get_char ( c );
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GUnicodeBreakType bt = g_unichar_break_type ( uc );
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if ( ( bt == G_UNICODE_BREAK_ALPHABETIC || bt == G_UNICODE_BREAK_HEBREW_LETTER ||
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bt == G_UNICODE_BREAK_NUMERIC || bt == G_UNICODE_BREAK_QUOTATION ) ) {
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break;
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}
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}
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if ( c != tb->text ) {
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while ( ( n = g_utf8_prev_char ( c ) ) ) {
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gunichar uc = g_utf8_get_char ( n );
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GUnicodeBreakType bt = g_unichar_break_type ( uc );
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if ( !( bt == G_UNICODE_BREAK_ALPHABETIC || bt == G_UNICODE_BREAK_HEBREW_LETTER ||
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bt == G_UNICODE_BREAK_NUMERIC || bt == G_UNICODE_BREAK_QUOTATION ) ) {
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break;
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}
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c = n;
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if ( n == tb->text ) {
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break;
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}
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}
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}
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int index = c - tb->text;
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textbox_cursor ( tb, index );
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}
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// end of line
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void textbox_cursor_end ( textbox *tb )
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{
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tb->cursor = ( int ) strlen ( tb->text );
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tb->update = TRUE;
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}
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// insert text
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void textbox_insert ( textbox *tb, int pos, char *str )
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{
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int len = ( int ) strlen ( tb->text ), slen = ( int ) strlen ( str );
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pos = MAX ( 0, MIN ( len, pos ) );
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// expand buffer
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tb->text = g_realloc ( tb->text, len + slen + 1 );
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// move everything after cursor upward
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char *at = tb->text + pos;
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memmove ( at + slen, at, len - pos + 1 );
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// insert new str
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memmove ( at, str, slen );
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// Set modified, lay out need te be redrawn
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tb->changed = TRUE;
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tb->update = TRUE;
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}
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// remove text
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void textbox_delete ( textbox *tb, int pos, int dlen )
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{
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int len = strlen ( tb->text );
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pos = MAX ( 0, MIN ( len, pos ) );
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// move everything after pos+dlen down
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char *at = tb->text + pos;
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// Move remainder + closing \0
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memmove ( at, at + dlen, len - pos - dlen + 1 );
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if ( tb->cursor >= pos && tb->cursor < ( pos + dlen ) ) {
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tb->cursor = pos;
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}
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else if ( tb->cursor >= ( pos + dlen ) ) {
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tb->cursor -= dlen;
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}
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// Set modified, lay out need te be redrawn
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tb->changed = TRUE;
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tb->update = TRUE;
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}
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// delete on character
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void textbox_cursor_del ( textbox *tb )
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{
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if ( tb->text == NULL ) {
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return;
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}
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int index = g_utf8_next_char ( &( tb->text[tb->cursor] ) ) - tb->text;
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textbox_delete ( tb, tb->cursor, index - tb->cursor );
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}
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// back up and delete one character
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void textbox_cursor_bkspc ( textbox *tb )
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{
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if ( tb->cursor > 0 ) {
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textbox_cursor_dec ( tb );
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textbox_cursor_del ( tb );
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}
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}
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static void textbox_cursor_bkspc_word ( textbox *tb )
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{
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if ( tb->cursor > 0 ) {
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int cursor = tb->cursor;
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textbox_cursor_dec_word ( tb );
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if ( cursor > tb->cursor ) {
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textbox_delete ( tb, tb->cursor, cursor - tb->cursor );
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}
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}
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}
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static void textbox_cursor_del_word ( textbox *tb )
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{
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if ( tb->cursor >= 0 ) {
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int cursor = tb->cursor;
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textbox_cursor_inc_word ( tb );
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if ( cursor < tb->cursor ) {
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textbox_delete ( tb, cursor, tb->cursor - cursor );
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}
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}
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}
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// handle a keypress in edit mode
|
|
// 2 = nav
|
|
// 0 = unhandled
|
|
// 1 = handled
|
|
// -1 = handled and return pressed (finished)
|
|
int textbox_keypress ( textbox *tb, XIC xic, XEvent *ev )
|
|
{
|
|
KeySym key;
|
|
Status stat;
|
|
char pad[32];
|
|
int len;
|
|
|
|
if ( !( tb->flags & TB_EDITABLE ) ) {
|
|
return 0;
|
|
}
|
|
|
|
len = Xutf8LookupString ( xic, &ev->xkey, pad, sizeof ( pad ), &key, &stat );
|
|
pad[len] = 0;
|
|
// Left or Ctrl-b
|
|
if ( abe_test_action ( MOVE_CHAR_BACK, ev->xkey.state, key ) ) {
|
|
textbox_cursor_dec ( tb );
|
|
return 2;
|
|
}
|
|
// Right or Ctrl-F
|
|
else if ( abe_test_action ( MOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
|
|
textbox_cursor_inc ( tb );
|
|
return 2;
|
|
}
|
|
|
|
// Ctrl-U: Kill from the beginning to the end of the line.
|
|
else if ( abe_test_action ( CLEAR_LINE, ev->xkey.state, key ) ) {
|
|
textbox_text ( tb, "" );
|
|
return 1;
|
|
}
|
|
// Ctrl-A
|
|
else if ( abe_test_action ( MOVE_FRONT, ev->xkey.state, key ) ) {
|
|
textbox_cursor ( tb, 0 );
|
|
return 2;
|
|
}
|
|
// Ctrl-E
|
|
else if ( abe_test_action ( MOVE_END, ev->xkey.state, key ) ) {
|
|
textbox_cursor_end ( tb );
|
|
return 2;
|
|
}
|
|
// Ctrl-Alt-h
|
|
else if ( abe_test_action ( REMOVE_WORD_BACK, ev->xkey.state, key ) ) {
|
|
textbox_cursor_bkspc_word ( tb );
|
|
return 1;
|
|
}
|
|
// Ctrl-Alt-d
|
|
else if ( abe_test_action ( REMOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
|
|
textbox_cursor_del_word ( tb );
|
|
return 1;
|
|
} // Delete or Ctrl-D
|
|
else if ( abe_test_action ( REMOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
|
|
textbox_cursor_del ( tb );
|
|
return 1;
|
|
}
|
|
// Alt-B
|
|
else if ( abe_test_action ( MOVE_WORD_BACK, ev->xkey.state, key ) ) {
|
|
textbox_cursor_dec_word ( tb );
|
|
return 2;
|
|
}
|
|
// Alt-F
|
|
else if ( abe_test_action ( MOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
|
|
textbox_cursor_inc_word ( tb );
|
|
return 2;
|
|
}
|
|
// BackSpace, Ctrl-h
|
|
else if ( abe_test_action ( REMOVE_CHAR_BACK, ev->xkey.state, key ) ) {
|
|
textbox_cursor_bkspc ( tb );
|
|
return 1;
|
|
}
|
|
else if ( abe_test_action ( ACCEPT_CUSTOM, ev->xkey.state, key ) ) {
|
|
return -2;
|
|
}
|
|
else if ( abe_test_action ( ACCEPT_ENTRY_CONTINUE, ev->xkey.state, key ) ) {
|
|
return -3;
|
|
}
|
|
else if ( abe_test_action ( ACCEPT_ENTRY, ev->xkey.state, key ) ) {
|
|
return -1;
|
|
}
|
|
// Filter When alt/ctrl/etc is pressed do not accept the character.
|
|
// Ignore others (numlock, shift,..).
|
|
else if ( !iscntrl ( *pad ) && 0 == ( ev->xkey.state & ~( ModeSwitchMask | NumlockMask | ( 1 << 12 ) | ( 1 << 13 ) | ShiftMask | LockMask ) ) ) {
|
|
textbox_insert ( tb, tb->cursor, pad );
|
|
textbox_cursor_inc ( tb );
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/***
|
|
* Font setup.
|
|
*/
|
|
static void parse_color ( Display *display, char *bg, Color *col )
|
|
{
|
|
unsigned int val = 0;
|
|
val = color_get ( display, bg, "white" );
|
|
col->alpha = ( ( val & 0xFF000000 ) >> 24 ) / 255.0;
|
|
col->red = ( ( val & 0x00FF0000 ) >> 16 ) / 255.0;
|
|
col->green = ( ( val & 0x0000FF00 ) >> 8 ) / 255.0;
|
|
col->blue = ( ( val & 0x000000FF ) ) / 255.0;
|
|
}
|
|
static void textbox_parse_string ( Display *display, const char *str, RowColor *color )
|
|
{
|
|
if ( str == NULL ) {
|
|
return;
|
|
}
|
|
char *cstr = g_strdup ( str );
|
|
char *endp = NULL;
|
|
char *token;
|
|
int index = 0;
|
|
for ( token = strtok_r ( cstr, ",", &endp ); token != NULL; token = strtok_r ( NULL, ",", &endp ) ) {
|
|
switch ( index )
|
|
{
|
|
case 0:
|
|
parse_color ( display, g_strstrip ( token ), &( color->bg ) );
|
|
break;
|
|
case 1:
|
|
parse_color ( display, g_strstrip ( token ), &( color->fg ) );
|
|
break;
|
|
case 2:
|
|
parse_color ( display, g_strstrip ( token ), &( color->bgalt ) );
|
|
break;
|
|
case 3:
|
|
parse_color ( display, g_strstrip ( token ), &( color->hlbg ) );
|
|
break;
|
|
case 4:
|
|
parse_color ( display, g_strstrip ( token ), &( color->hlfg ) );
|
|
break;
|
|
}
|
|
index++;
|
|
}
|
|
g_free ( cstr );
|
|
}
|
|
void textbox_setup ( Display *display )
|
|
{
|
|
if ( config.color_enabled ) {
|
|
textbox_parse_string ( display, config.color_normal, &( colors[NORMAL] ) );
|
|
textbox_parse_string ( display, config.color_urgent, &( colors[URGENT] ) );
|
|
textbox_parse_string ( display, config.color_active, &( colors[ACTIVE] ) );
|
|
}
|
|
else {
|
|
parse_color ( display, config.menu_bg, &( colors[NORMAL].bg ) );
|
|
parse_color ( display, config.menu_fg, &( colors[NORMAL].fg ) );
|
|
parse_color ( display, config.menu_bg_alt, &( colors[NORMAL].bgalt ) );
|
|
parse_color ( display, config.menu_hlfg, &( colors[NORMAL].hlfg ) );
|
|
parse_color ( display, config.menu_hlbg, &( colors[NORMAL].hlbg ) );
|
|
|
|
parse_color ( display, config.menu_bg_urgent, &( colors[URGENT].bg ) );
|
|
parse_color ( display, config.menu_fg_urgent, &( colors[URGENT].fg ) );
|
|
parse_color ( display, config.menu_bg_alt, &( colors[URGENT].bgalt ) );
|
|
parse_color ( display, config.menu_hlfg_urgent, &( colors[URGENT].hlfg ) );
|
|
parse_color ( display, config.menu_hlbg_urgent, &( colors[URGENT].hlbg ) );
|
|
|
|
parse_color ( display, config.menu_bg_active, &( colors[ACTIVE].bg ) );
|
|
parse_color ( display, config.menu_fg_active, &( colors[ACTIVE].fg ) );
|
|
parse_color ( display, config.menu_bg_alt, &( colors[ACTIVE].bgalt ) );
|
|
parse_color ( display, config.menu_hlfg_active, &( colors[ACTIVE].hlfg ) );
|
|
parse_color ( display, config.menu_hlbg_active, &( colors[ACTIVE].hlbg ) );
|
|
}
|
|
PangoFontMap *font_map = pango_cairo_font_map_get_default ();
|
|
if ( config.dpi > 0 ) {
|
|
pango_cairo_font_map_set_resolution ( (PangoCairoFontMap *) font_map, (double) config.dpi );
|
|
}
|
|
p_context = pango_font_map_create_context ( font_map );
|
|
}
|
|
|
|
void textbox_cleanup ( void )
|
|
{
|
|
if ( p_context ) {
|
|
g_object_unref ( p_context );
|
|
p_context = NULL;
|
|
}
|
|
}
|
|
|
|
int textbox_get_width ( textbox *tb )
|
|
{
|
|
return textbox_get_font_width ( tb ) + 2 * SIDE_MARGIN;
|
|
}
|
|
|
|
int textbox_get_height ( textbox *tb )
|
|
{
|
|
return textbox_get_font_height ( tb ) + 2 * SIDE_MARGIN;
|
|
}
|
|
|
|
int textbox_get_font_height ( textbox *tb )
|
|
{
|
|
int height;
|
|
pango_layout_get_pixel_size ( tb->layout, NULL, &height );
|
|
return height;
|
|
}
|
|
|
|
int textbox_get_font_width ( textbox *tb )
|
|
{
|
|
int width;
|
|
pango_layout_get_pixel_size ( tb->layout, &width, NULL );
|
|
return width;
|
|
}
|
|
|
|
double textbox_get_estimated_char_width ( void )
|
|
{
|
|
PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
|
|
// Get width
|
|
PangoFontMetrics *metric = pango_context_get_metrics ( p_context, pfd, NULL );
|
|
int width = pango_font_metrics_get_approximate_char_width ( metric );
|
|
pango_font_metrics_unref ( metric );
|
|
|
|
pango_font_description_free ( pfd );
|
|
return ( width ) / (double) PANGO_SCALE;
|
|
}
|
|
|
|
int textbox_get_estimated_char_height ( void )
|
|
{
|
|
// Set font.
|
|
PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
|
|
|
|
// Get width
|
|
PangoFontMetrics *metric = pango_context_get_metrics ( p_context, pfd, NULL );
|
|
int height = pango_font_metrics_get_ascent ( metric ) + pango_font_metrics_get_descent ( metric );
|
|
pango_font_metrics_unref ( metric );
|
|
|
|
pango_font_description_free ( pfd );
|
|
return ( height ) / PANGO_SCALE + 2 * SIDE_MARGIN;
|
|
}
|