comparison: ui/gtk/text.c
ui/gtk/text.c
- changeset 5
- 19d37cb9c96c
- child 6
- 05a18c56d9ca
equal
deleted
inserted
replaced
| 4:39b9b86ec452 | 5:19d37cb9c96c |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2014 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include <stdio.h> | |
| 30 #include <stdlib.h> | |
| 31 | |
| 32 #include "text.h" | |
| 33 #include "container.h" | |
| 34 | |
| 35 UIWIDGET ui_textarea(UiObject *obj, UiText *value) { | |
| 36 GtkWidget *text_area = gtk_text_view_new(); | |
| 37 gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text_area), GTK_WRAP_WORD_CHAR); | |
| 38 g_signal_connect( | |
| 39 text_area, | |
| 40 "realize", | |
| 41 G_CALLBACK(ui_textarea_realize_event), | |
| 42 NULL); | |
| 43 | |
| 44 GtkWidget *scroll_area = gtk_scrolled_window_new (NULL, NULL); | |
| 45 gtk_scrolled_window_set_policy( | |
| 46 GTK_SCROLLED_WINDOW(scroll_area), | |
| 47 GTK_POLICY_AUTOMATIC, | |
| 48 GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS | |
| 49 gtk_container_add(GTK_CONTAINER(scroll_area), text_area); | |
| 50 | |
| 51 // font and padding | |
| 52 PangoFontDescription *font; | |
| 53 font = pango_font_description_from_string("Monospace"); | |
| 54 gtk_widget_modify_font(text_area, font); | |
| 55 pango_font_description_free(font); | |
| 56 | |
| 57 gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text_area), 2); | |
| 58 gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text_area), 2); | |
| 59 | |
| 60 // add | |
| 61 UiContainer *ct = uic_get_current_container(obj); | |
| 62 ct->add(ct, scroll_area); | |
| 63 | |
| 64 // bind value | |
| 65 if(value) { | |
| 66 value->get = ui_textarea_get; | |
| 67 value->set = ui_textarea_set; | |
| 68 value->value = NULL; | |
| 69 GtkTextBuffer *buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text_area)); | |
| 70 value->obj = buf; | |
| 71 | |
| 72 // register undo manager | |
| 73 g_signal_connect( | |
| 74 buf, | |
| 75 "insert-text", | |
| 76 G_CALLBACK(ui_textbuf_insert), | |
| 77 NULL); | |
| 78 g_signal_connect( | |
| 79 buf, | |
| 80 "delete-range", | |
| 81 G_CALLBACK(ui_textbuf_delete), | |
| 82 NULL); | |
| 83 } | |
| 84 | |
| 85 return scroll_area; | |
| 86 } | |
| 87 | |
| 88 char* ui_textarea_get(UiText *text) { | |
| 89 if(text->value) { | |
| 90 g_free(text->value); | |
| 91 } | |
| 92 GtkTextBuffer *buf = text->obj; | |
| 93 GtkTextIter start; | |
| 94 GtkTextIter end; | |
| 95 gtk_text_buffer_get_bounds(buf, &start, &end); | |
| 96 char *str = gtk_text_buffer_get_text(buf, &start, &end, FALSE); | |
| 97 text->value = str; | |
| 98 return str; | |
| 99 } | |
| 100 | |
| 101 void ui_textarea_set(UiText *text, char *str) { | |
| 102 if(text->value) { | |
| 103 g_free(text->value); | |
| 104 text->value = NULL; | |
| 105 } | |
| 106 gtk_text_buffer_set_text((GtkTextBuffer*)text->obj, str, -1); | |
| 107 } | |
| 108 | |
| 109 void ui_textarea_realize_event(GtkWidget *widget, gpointer data) { | |
| 110 gtk_widget_grab_focus(widget); | |
| 111 } | |
| 112 | |
| 113 void ui_textbuf_insert( | |
| 114 GtkTextBuffer *textbuffer, | |
| 115 GtkTextIter *location, | |
| 116 char *text, | |
| 117 int len, | |
| 118 void *data) | |
| 119 { | |
| 120 //TODO | |
| 121 } | |
| 122 | |
| 123 void ui_textbuf_delete( | |
| 124 GtkTextBuffer *textbuffer, | |
| 125 GtkTextIter *start, | |
| 126 GtkTextIter *end, | |
| 127 void *data) | |
| 128 { | |
| 129 //TODO | |
| 130 } |
