mirror of
https://github.com/davatorium/rofi.git
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804 lines
24 KiB
C
804 lines
24 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) 2013-2016 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 <xcb/xcb.h>
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#include <ctype.h>
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#include <string.h>
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#include <glib.h>
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#include <math.h>
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#include "settings.h"
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#include "widgets/textbox.h"
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#include "keyb.h"
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#include "x11-helper.h"
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#include "mode.h"
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#include "view.h"
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#define DOT_OFFSET 15
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static void textbox_draw ( widget *, cairo_t * );
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static void textbox_free ( widget * );
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static int textbox_get_width ( widget * );
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static int _textbox_get_height ( widget * );
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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
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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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/** Number of states */
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#define num_states 3
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/**
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* Different colors for the different states
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*/
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RowColor colors[num_states];
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/** Default pango context */
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static PangoContext *p_context = NULL;
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/** The pango font metrics */
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static PangoFontMetrics *p_metrics = NULL;
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static gboolean textbox_blink ( gpointer data )
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{
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textbox *tb = (textbox *) data;
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if ( tb->blink < 2 ) {
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tb->blink = !tb->blink;
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tb->update = TRUE;
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widget_queue_redraw ( WIDGET ( tb ) );
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rofi_view_queue_redraw ( );
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}
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else {
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tb->blink--;
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}
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return TRUE;
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}
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static void textbox_resize ( widget *wid, short w, short h )
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{
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textbox *tb = (textbox *) wid;
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textbox_moveresize ( tb, tb->widget.x, tb->widget.y, w, h );
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}
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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_slice_new0 ( textbox );
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tb->widget.draw = textbox_draw;
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tb->widget.free = textbox_free;
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tb->widget.resize = textbox_resize;
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tb->widget.get_width = textbox_get_width;
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tb->widget.get_height = _textbox_get_height;
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tb->flags = flags;
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tb->widget.x = x;
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tb->widget.y = y;
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tb->widget.w = MAX ( 1, w );
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tb->widget.h = MAX ( 1, h );
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tb->changed = FALSE;
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tb->main_surface = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32, tb->widget.w, tb->widget.h );
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tb->main_draw = cairo_create ( tb->main_surface );
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tb->layout = pango_layout_new ( p_context );
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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->widget.x, tb->widget.y, tb->widget.w, tb->widget.h );
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tb->blink_timeout = 0;
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tb->blink = 1;
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if ( ( flags & TB_EDITABLE ) == TB_EDITABLE ) {
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tb->blink_timeout = g_timeout_add ( 1200, textbox_blink, tb );
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}
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// Enabled by default
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tb->widget.enabled = TRUE;
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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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if ( tb == NULL ) {
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return;
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}
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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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widget_need_redraw ( WIDGET ( tb ) );
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}
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tb->tbft = tbft;
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}
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/**
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* @param tb The textbox object.
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*
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* Update the pango layout's text. It does this depending on the
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* textbox flags.
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*/
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static void __textbox_update_pango_text ( textbox *tb )
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{
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if ( ( tb->flags & TB_PASSWORD ) == TB_PASSWORD ) {
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size_t l = g_utf8_strlen ( tb->text, -1 );
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char string [l + 1];
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memset ( string, '*', l );
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string[l] = '\0';
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pango_layout_set_attributes ( tb->layout, NULL );
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pango_layout_set_text ( tb->layout, string, l );
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}
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else if ( tb->flags & TB_MARKUP || tb->tbft & MARKUP ) {
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pango_layout_set_markup ( tb->layout, tb->text, -1 );
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}
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else {
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pango_layout_set_attributes ( tb->layout, NULL );
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pango_layout_set_text ( tb->layout, tb->text, -1 );
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}
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}
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const char *textbox_get_visible_text ( const textbox *tb )
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{
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return pango_layout_get_text ( tb->layout );
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}
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PangoAttrList *textbox_get_pango_attributes ( textbox *tb )
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{
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return pango_layout_get_attributes ( tb->layout );
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}
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void textbox_set_pango_attributes ( textbox *tb, PangoAttrList *list )
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{
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pango_layout_set_attributes ( tb->layout, list );
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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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__textbox_update_pango_text ( tb );
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if ( tb->flags & TB_AUTOWIDTH ) {
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textbox_moveresize ( tb, tb->widget.x, tb->widget.y, tb->widget.w, tb->widget.h );
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widget_update ( WIDGET ( tb ) );
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}
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tb->cursor = MAX ( 0, MIN ( ( int ) g_utf8_strlen ( tb->text, -1 ), tb->cursor ) );
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widget_need_redraw ( WIDGET ( tb ) );
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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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unsigned int offset = ( tb->flags & TB_INDICATOR ) ? DOT_OFFSET : 0;
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if ( tb->flags & TB_AUTOWIDTH ) {
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pango_layout_set_width ( tb->layout, -1 );
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unsigned int offset = ( tb->flags & TB_INDICATOR ) ? DOT_OFFSET : 0;
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w = textbox_get_font_width ( tb ) + 2 * config.line_padding + offset;
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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 * config.line_padding - offset ) );
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h = textbox_get_height ( tb );
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}
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if ( x != tb->widget.x || y != tb->widget.y || w != tb->widget.w || h != tb->widget.h ) {
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tb->widget.x = x;
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tb->widget.y = y;
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tb->widget.h = MAX ( 1, h );
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tb->widget.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->widget.w - 2 * config.line_padding - offset ) );
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tb->update = TRUE;
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widget_need_redraw ( WIDGET ( tb ) );
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}
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// will also unmap the window if still displayed
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static void textbox_free ( widget *wid )
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{
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textbox *tb = (textbox *) wid;
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if ( tb->blink_timeout > 0 ) {
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g_source_remove ( tb->blink_timeout );
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tb->blink_timeout = 0;
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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_slice_free ( textbox, 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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unsigned int offset = ( tb->flags & TB_INDICATOR ) ? DOT_OFFSET : 0;
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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 ( CAIRO_FORMAT_ARGB32, tb->widget.w, tb->widget.h );
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tb->main_draw = cairo_create ( tb->main_surface );
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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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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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__textbox_update_pango_text ( tb );
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}
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if ( tb->flags & TB_EDITABLE ) {
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// We want to place the cursor based on the text shown.
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const char *text = pango_layout_get_text ( tb->layout );
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// Clamp the position, should not be needed, but we are paranoid.
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int cursor_offset = MIN ( tb->cursor, g_utf8_strlen ( text, -1 ) );
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PangoRectangle pos;
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// convert to byte location.
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char *offset = g_utf8_offset_to_pointer ( text, cursor_offset );
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pango_layout_get_cursor_pos ( tb->layout, offset - text, &pos, NULL );
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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 = config.line_padding + offset;
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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->widget.w - line_width - config.line_padding - offset );
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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->widget.w - tw - 2 * config.line_padding - offset ) ) / 2;
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}
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y = config.line_padding + ( pango_font_metrics_get_ascent ( p_metrics ) - pango_layout_get_baseline ( tb->layout ) ) / PANGO_SCALE;
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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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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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// draw the cursor
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if ( tb->flags & TB_EDITABLE && tb->blink ) {
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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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// Set ARGB
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// We need to set over, otherwise subpixel hinting wont work.
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cairo_set_operator ( tb->main_draw, CAIRO_OPERATOR_OVER );
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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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if ( ( tb->flags & TB_INDICATOR ) == TB_INDICATOR && ( tb->tbft & ( SELECTED | HIGHLIGHT ) ) ) {
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if ( ( tb->tbft & SELECTED ) == SELECTED ) {
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cairo_set_source_rgba ( tb->main_draw, col.red, col.green, col.blue, col.alpha );
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}
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else if ( ( tb->tbft & HIGHLIGHT ) == HIGHLIGHT ) {
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cairo_set_source_rgba ( tb->main_draw, col.red, col.green, col.blue, col.alpha * 0.2 );
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}
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cairo_arc ( tb->main_draw, DOT_OFFSET / 2.0, tb->widget.h / 2.0, 2.0, 0, 2.0 * M_PI );
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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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static void textbox_draw ( widget *wid, cairo_t *draw )
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{
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textbox *tb = (textbox *) wid;
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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->widget.x, tb->widget.y );
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cairo_rectangle ( draw, tb->widget.x, tb->widget.y, tb->widget.w, tb->widget.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 : g_utf8_strlen ( tb->text, -1 );
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tb->cursor = MAX ( 0, MIN ( length, pos ) );
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tb->update = TRUE;
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widget_need_redraw ( WIDGET ( tb ) );
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// Stop blink!
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tb->blink = 2;
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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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textbox_cursor ( tb, tb->cursor + 1 );
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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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textbox_cursor ( tb, tb->cursor - 1 );
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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 = g_utf8_offset_to_pointer ( 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 = g_utf8_pointer_to_offset ( tb->text, c );
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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 = g_utf8_offset_to_pointer ( 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 );
|
|
if ( !( bt == G_UNICODE_BREAK_ALPHABETIC || bt == G_UNICODE_BREAK_HEBREW_LETTER ||
|
|
bt == G_UNICODE_BREAK_NUMERIC || bt == G_UNICODE_BREAK_QUOTATION ) ) {
|
|
break;
|
|
}
|
|
c = n;
|
|
if ( n == tb->text ) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
int index = g_utf8_pointer_to_offset ( tb->text, c );
|
|
textbox_cursor ( tb, index );
|
|
}
|
|
|
|
// end of line
|
|
void textbox_cursor_end ( textbox *tb )
|
|
{
|
|
if ( tb->text == NULL ) {
|
|
tb->cursor = 0;
|
|
tb->update = TRUE;
|
|
widget_need_redraw ( WIDGET ( tb ) );
|
|
return;
|
|
}
|
|
tb->cursor = ( int ) g_utf8_strlen ( tb->text, -1 );
|
|
tb->update = TRUE;
|
|
widget_need_redraw ( WIDGET ( tb ) );
|
|
// Stop blink!
|
|
tb->blink = 2;
|
|
}
|
|
|
|
// insert text
|
|
void textbox_insert ( textbox *tb, const int char_pos, const char *str, const int slen )
|
|
{
|
|
char *c = g_utf8_offset_to_pointer ( tb->text, char_pos );
|
|
int pos = c - tb->text;
|
|
int len = ( int ) strlen ( tb->text );
|
|
pos = MAX ( 0, MIN ( len, pos ) );
|
|
// expand buffer
|
|
tb->text = g_realloc ( tb->text, len + slen + 1 );
|
|
// move everything after cursor upward
|
|
char *at = tb->text + pos;
|
|
memmove ( at + slen, at, len - pos + 1 );
|
|
// insert new str
|
|
memmove ( at, str, slen );
|
|
|
|
// Set modified, lay out need te be redrawn
|
|
// Stop blink!
|
|
tb->blink = 2;
|
|
tb->changed = TRUE;
|
|
tb->update = TRUE;
|
|
}
|
|
|
|
// remove text
|
|
void textbox_delete ( textbox *tb, int pos, int dlen )
|
|
{
|
|
int len = g_utf8_strlen ( tb->text, -1 );
|
|
if ( len == pos ) {
|
|
return;
|
|
}
|
|
pos = MAX ( 0, MIN ( len, pos ) );
|
|
if ( ( pos + dlen ) > len ) {
|
|
dlen = len - dlen;
|
|
}
|
|
// move everything after pos+dlen down
|
|
char *start = g_utf8_offset_to_pointer ( tb->text, pos );
|
|
char *end = g_utf8_offset_to_pointer ( tb->text, pos + dlen );
|
|
// Move remainder + closing \0
|
|
memmove ( start, end, ( tb->text + strlen ( tb->text ) ) - end + 1 );
|
|
if ( tb->cursor >= pos && tb->cursor < ( pos + dlen ) ) {
|
|
tb->cursor = pos;
|
|
}
|
|
else if ( tb->cursor >= ( pos + dlen ) ) {
|
|
tb->cursor -= dlen;
|
|
}
|
|
// Set modified, lay out need te be redrawn
|
|
// Stop blink!
|
|
tb->blink = 2;
|
|
tb->changed = TRUE;
|
|
tb->update = TRUE;
|
|
}
|
|
|
|
// delete on character
|
|
void textbox_cursor_del ( textbox *tb )
|
|
{
|
|
if ( tb->text == NULL ) {
|
|
return;
|
|
}
|
|
textbox_delete ( tb, tb->cursor, 1 );
|
|
}
|
|
|
|
// back up and delete one character
|
|
void textbox_cursor_bkspc ( textbox *tb )
|
|
{
|
|
if ( tb->cursor > 0 ) {
|
|
textbox_cursor_dec ( tb );
|
|
textbox_cursor_del ( tb );
|
|
}
|
|
}
|
|
static void textbox_cursor_bkspc_word ( textbox *tb )
|
|
{
|
|
if ( tb->cursor > 0 ) {
|
|
int cursor = tb->cursor;
|
|
textbox_cursor_dec_word ( tb );
|
|
if ( cursor > tb->cursor ) {
|
|
textbox_delete ( tb, tb->cursor, cursor - tb->cursor );
|
|
}
|
|
}
|
|
}
|
|
static void textbox_cursor_del_eol ( textbox *tb )
|
|
{
|
|
if ( tb->cursor >= 0 ) {
|
|
int length = g_utf8_strlen ( tb->text, -1 ) - tb->cursor;
|
|
if ( length >= 0 ) {
|
|
textbox_delete ( tb, tb->cursor, length );
|
|
}
|
|
}
|
|
}
|
|
static void textbox_cursor_del_sol ( textbox *tb )
|
|
{
|
|
if ( tb->cursor >= 0 ) {
|
|
int length = tb->cursor;
|
|
if ( length >= 0 ) {
|
|
textbox_delete ( tb, 0, length );
|
|
}
|
|
}
|
|
}
|
|
static void textbox_cursor_del_word ( textbox *tb )
|
|
{
|
|
if ( tb->cursor >= 0 ) {
|
|
int cursor = tb->cursor;
|
|
textbox_cursor_inc_word ( tb );
|
|
if ( cursor < tb->cursor ) {
|
|
textbox_delete ( tb, cursor, tb->cursor - cursor );
|
|
}
|
|
}
|
|
}
|
|
|
|
// handle a keypress in edit mode
|
|
// 2 = nav
|
|
// 0 = unhandled
|
|
// 1 = handled
|
|
// -1 = handled and return pressed (finished)
|
|
int textbox_keybinding ( textbox *tb, KeyBindingAction action )
|
|
{
|
|
if ( !( tb->flags & TB_EDITABLE ) ) {
|
|
return 0;
|
|
}
|
|
|
|
switch ( action )
|
|
{
|
|
// Left or Ctrl-b
|
|
case MOVE_CHAR_BACK:
|
|
textbox_cursor_dec ( tb );
|
|
return 2;
|
|
// Right or Ctrl-F
|
|
case MOVE_CHAR_FORWARD:
|
|
textbox_cursor_inc ( tb );
|
|
return 2;
|
|
// Ctrl-U: Kill from the beginning to the end of the line.
|
|
case CLEAR_LINE:
|
|
textbox_text ( tb, "" );
|
|
return 1;
|
|
// Ctrl-A
|
|
case MOVE_FRONT:
|
|
textbox_cursor ( tb, 0 );
|
|
return 2;
|
|
// Ctrl-E
|
|
case MOVE_END:
|
|
textbox_cursor_end ( tb );
|
|
return 2;
|
|
// Ctrl-Alt-h
|
|
case REMOVE_WORD_BACK:
|
|
textbox_cursor_bkspc_word ( tb );
|
|
return 1;
|
|
// Ctrl-Alt-d
|
|
case REMOVE_WORD_FORWARD:
|
|
textbox_cursor_del_word ( tb );
|
|
return 1;
|
|
case REMOVE_TO_EOL:
|
|
textbox_cursor_del_eol ( tb );
|
|
return 1;
|
|
case REMOVE_TO_SOL:
|
|
textbox_cursor_del_sol ( tb );
|
|
return 1;
|
|
// Delete or Ctrl-D
|
|
case REMOVE_CHAR_FORWARD:
|
|
textbox_cursor_del ( tb );
|
|
return 1;
|
|
// Alt-B
|
|
case MOVE_WORD_BACK:
|
|
textbox_cursor_dec_word ( tb );
|
|
return 2;
|
|
// Alt-F
|
|
case MOVE_WORD_FORWARD:
|
|
textbox_cursor_inc_word ( tb );
|
|
return 2;
|
|
// BackSpace, Ctrl-h
|
|
case REMOVE_CHAR_BACK:
|
|
textbox_cursor_bkspc ( tb );
|
|
return 1;
|
|
default:
|
|
g_return_val_if_reached ( 0 );
|
|
}
|
|
}
|
|
|
|
gboolean textbox_append_char ( textbox *tb, const char *pad, const int pad_len )
|
|
{
|
|
if ( !( tb->flags & TB_EDITABLE ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
// Filter When alt/ctrl is pressed do not accept the character.
|
|
if ( !g_unichar_iscntrl ( g_utf8_get_char ( pad ) ) ) {
|
|
textbox_insert ( tb, tb->cursor, pad, pad_len );
|
|
textbox_cursor ( tb, tb->cursor + 1 );
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/***
|
|
* Font setup.
|
|
*/
|
|
static void textbox_parse_string ( const char *str, RowColor *color )
|
|
{
|
|
if ( str == NULL ) {
|
|
return;
|
|
}
|
|
char *cstr = g_strdup ( str );
|
|
char *endp = NULL;
|
|
char *token;
|
|
int index = 0;
|
|
const char *const sep = ",";
|
|
for ( token = strtok_r ( cstr, sep, &endp ); token != NULL; token = strtok_r ( NULL, sep, &endp ) ) {
|
|
switch ( index )
|
|
{
|
|
case 0:
|
|
color->bg = color_get ( g_strstrip ( token ) );
|
|
break;
|
|
case 1:
|
|
color->fg = color_get ( g_strstrip ( token ) );
|
|
break;
|
|
case 2:
|
|
color->bgalt = color_get ( g_strstrip ( token ) );
|
|
break;
|
|
case 3:
|
|
color->hlbg = color_get ( g_strstrip ( token ) );
|
|
break;
|
|
case 4:
|
|
color->hlfg = color_get ( g_strstrip ( token ) );
|
|
break;
|
|
}
|
|
index++;
|
|
}
|
|
g_free ( cstr );
|
|
}
|
|
void textbox_setup ( void )
|
|
{
|
|
textbox_parse_string ( config.color_normal, &( colors[NORMAL] ) );
|
|
textbox_parse_string ( config.color_urgent, &( colors[URGENT] ) );
|
|
textbox_parse_string ( config.color_active, &( colors[ACTIVE] ) );
|
|
}
|
|
|
|
void textbox_set_pango_context ( PangoContext *p )
|
|
{
|
|
textbox_cleanup ();
|
|
p_context = g_object_ref ( p );
|
|
p_metrics = pango_context_get_metrics ( p_context, NULL, NULL );
|
|
}
|
|
|
|
void textbox_cleanup ( void )
|
|
{
|
|
if ( p_metrics ) {
|
|
pango_font_metrics_unref ( p_metrics );
|
|
p_metrics = NULL;
|
|
}
|
|
if ( p_context ) {
|
|
g_object_unref ( p_context );
|
|
p_context = NULL;
|
|
}
|
|
}
|
|
|
|
int textbox_get_width ( widget *wid )
|
|
{
|
|
textbox *tb = (textbox *) wid;
|
|
if ( !wid->expand ) {
|
|
if ( tb->flags & TB_AUTOWIDTH ) {
|
|
unsigned int offset = ( tb->flags & TB_INDICATOR ) ? DOT_OFFSET : 0;
|
|
return textbox_get_font_width ( tb ) + 2 * config.line_padding + offset;
|
|
}
|
|
return tb->widget.w;
|
|
}
|
|
return tb->widget.w;
|
|
}
|
|
|
|
int _textbox_get_height ( widget *wid )
|
|
{
|
|
textbox *tb = (textbox *) wid;
|
|
if ( !wid->expand ) {
|
|
if ( tb->flags & TB_AUTOHEIGHT ) {
|
|
return textbox_get_height ( tb );
|
|
}
|
|
return tb->widget.h;
|
|
}
|
|
return tb->widget.h;
|
|
}
|
|
int textbox_get_height ( const textbox *tb )
|
|
{
|
|
return textbox_get_font_height ( tb ) + 2 * config.line_padding;
|
|
}
|
|
|
|
int textbox_get_font_height ( const textbox *tb )
|
|
{
|
|
int height;
|
|
pango_layout_get_pixel_size ( tb->layout, NULL, &height );
|
|
return height;
|
|
}
|
|
|
|
int textbox_get_font_width ( const textbox *tb )
|
|
{
|
|
int width;
|
|
pango_layout_get_pixel_size ( tb->layout, &width, NULL );
|
|
return width;
|
|
}
|
|
|
|
double textbox_get_estimated_char_width ( void )
|
|
{
|
|
int width = pango_font_metrics_get_approximate_char_width ( p_metrics );
|
|
return ( width ) / (double) PANGO_SCALE;
|
|
}
|
|
|
|
int textbox_get_estimated_char_height ( void )
|
|
{
|
|
int height = pango_font_metrics_get_ascent ( p_metrics ) + pango_font_metrics_get_descent ( p_metrics );
|
|
return ( height ) / PANGO_SCALE + 2 * config.line_padding;
|
|
}
|