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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2017 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include <stdio.h> |
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30 | #include <stdlib.h> |
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31 | #include <string.h> |
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32 | #include <stdarg.h> |
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33 | |
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34 | #include "../common/context.h" |
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35 | #include "../common/object.h" |
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36 | #include "container.h" |
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37 | |
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38 | #include "tree.h" |
32 | 39 | #include "image.h" |
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40 | |
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41 | |
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42 | void* ui_strmodel_getvalue(void *elm, int column) { |
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43 | return column == 0 ? elm : NULL; |
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44 | } |
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45 | |
32 | 46 | static GtkListStore* create_list_store(UiList *list, UiModel *model) { |
47 | int columns = model->columns; | |
48 | GType types[2*columns]; | |
49 | int c = 0; | |
50 | for(int i=0;i<columns;i++,c++) { | |
51 | switch(model->types[i]) { | |
52 | case UI_STRING: | |
53 | case UI_STRING_FREE: types[c] = G_TYPE_STRING; break; | |
54 | case UI_INTEGER: types[c] = G_TYPE_INT; break; | |
55 | case UI_ICON: types[c] = G_TYPE_OBJECT; break; | |
56 | case UI_ICON_TEXT: | |
57 | case UI_ICON_TEXT_FREE: { | |
58 | types[c] = G_TYPE_OBJECT; | |
59 | types[++c] = G_TYPE_STRING; | |
60 | } | |
61 | } | |
62 | } | |
63 | ||
64 | GtkListStore *store = gtk_list_store_newv(c, types); | |
65 | ||
66 | if(list) { | |
67 | void *elm = list->first(list); | |
68 | while(elm) { | |
69 | // insert new row | |
70 | GtkTreeIter iter; | |
71 | gtk_list_store_insert (store, &iter, -1); | |
72 | ||
73 | // set column values | |
74 | int c = 0; | |
75 | for(int i=0;i<columns;i++,c++) { | |
76 | void *data = model->getvalue(elm, c); | |
77 | ||
78 | GValue value = G_VALUE_INIT; | |
79 | switch(model->types[i]) { | |
80 | case UI_STRING: | |
81 | case UI_STRING_FREE: { | |
82 | g_value_init(&value, G_TYPE_STRING); | |
83 | g_value_set_string(&value, data); | |
84 | if(model->types[i] == UI_STRING_FREE) { | |
85 | free(data); | |
86 | } | |
87 | break; | |
88 | } | |
89 | case UI_INTEGER: { | |
90 | g_value_init(&value, G_TYPE_INT); | |
91 | int *intptr = data; | |
92 | g_value_set_int(&value, *intptr); | |
93 | break; | |
94 | } | |
95 | case UI_ICON: { | |
96 | g_value_init(&value, G_TYPE_OBJECT); | |
97 | UiIcon *icon = data; | |
98 | if(!icon->pixbuf && icon->info) { | |
99 | GError *error = NULL; | |
100 | GdkPixbuf *pixbuf = gtk_icon_info_load_icon(icon->info, &error); | |
101 | icon->pixbuf = pixbuf; | |
102 | } | |
103 | ||
104 | if(icon->pixbuf) { | |
105 | g_value_set_object(&value, icon->pixbuf); | |
106 | } | |
107 | ||
108 | ||
109 | break; | |
110 | } | |
111 | case UI_ICON_TEXT: | |
112 | case UI_ICON_TEXT_FREE: { | |
113 | GValue pixbufvalue = G_VALUE_INIT; | |
114 | UiIcon *icon = data; | |
115 | if(!icon->pixbuf && icon->info) { | |
116 | GError *error = NULL; | |
117 | GdkPixbuf *pixbuf = gtk_icon_info_load_icon(icon->info, &error); | |
118 | icon->pixbuf = pixbuf; | |
119 | } | |
120 | g_value_init(&pixbufvalue, G_TYPE_OBJECT); | |
121 | g_value_set_object(&pixbufvalue, icon->pixbuf); | |
122 | gtk_list_store_set_value(store, &iter, c, &pixbufvalue); | |
123 | c++; | |
124 | ||
125 | char *str = model->getvalue(elm, c); | |
126 | g_value_init(&value, G_TYPE_STRING); | |
127 | g_value_set_string(&value, str); | |
128 | if(model->types[i] == UI_ICON_TEXT_FREE) { | |
129 | free(str); | |
130 | } | |
131 | break; | |
132 | } | |
133 | } | |
134 | ||
135 | gtk_list_store_set_value(store, &iter, c, &value); | |
136 | } | |
137 | ||
138 | // next row | |
139 | elm = list->next(list); | |
140 | } | |
141 | } | |
142 | ||
143 | return store; | |
144 | } | |
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145 | |
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146 | |
32 | 147 | UIWIDGET ui_listview_create(UiObject *obj, UiListArgs args) { |
148 | UiObject* current = uic_current_obj(obj); | |
149 | ||
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150 | // create treeview |
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151 | GtkWidget *view = gtk_tree_view_new(); |
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152 | GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); |
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153 | GtkTreeViewColumn *column = gtk_tree_view_column_new_with_attributes(NULL, renderer, "text", 0, NULL); |
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154 | gtk_tree_view_append_column(GTK_TREE_VIEW(view), column); |
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155 | |
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156 | gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE); |
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157 | #ifdef UI_GTK3 |
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158 | #if GTK_MINOR_VERSION >= 8 |
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159 | gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(view), TRUE); |
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160 | #else |
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161 | // TODO: implement for older gtk3 |
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162 | #endif |
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163 | #else |
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164 | // TODO: implement for gtk2 |
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165 | #endif |
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166 | |
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167 | UiModel *model = ui_model(obj->ctx, UI_STRING, "", -1); |
32 | 168 | model->getvalue = args.getvalue; |
169 | ||
170 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); | |
171 | ||
172 | UiList *list = var ? var->value : NULL; | |
173 | GtkListStore *listmodel = create_list_store(list, model); | |
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174 | gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(listmodel)); |
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175 | |
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176 | UiListView *listview = malloc(sizeof(UiListView)); |
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177 | listview->obj = obj; |
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178 | listview->widget = view; |
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179 | listview->var = var; |
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180 | listview->model = model; |
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181 | g_signal_connect( |
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182 | view, |
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183 | "destroy", |
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184 | G_CALLBACK(ui_listview_destroy), |
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185 | listview); |
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186 | |
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187 | // bind var |
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188 | list->update = ui_listview_update; |
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189 | list->getselection = ui_listview_getselection; |
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190 | list->obj = listview; |
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191 | |
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192 | // add callback |
32 | 193 | if(args.onactivate) { |
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194 | UiTreeEventData *event = ui_malloc(obj->ctx, sizeof(UiTreeEventData)); |
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195 | event->obj = obj; |
32 | 196 | event->activatedata = args.onactivatedata; |
197 | event->activate = args.onactivate; | |
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198 | event->selection = NULL; |
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199 | |
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200 | g_signal_connect( |
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201 | view, |
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202 | "row-activated", |
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203 | G_CALLBACK(ui_listview_activate_event), |
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204 | event); |
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205 | } |
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206 | |
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207 | // add widget to the current container |
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208 | GtkWidget *scroll_area = gtk_scrolled_window_new(NULL, NULL); |
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209 | gtk_scrolled_window_set_policy( |
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210 | GTK_SCROLLED_WINDOW(scroll_area), |
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211 | GTK_POLICY_AUTOMATIC, |
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212 | GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS |
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213 | gtk_container_add(GTK_CONTAINER(scroll_area), view); |
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214 | |
32 | 215 | UI_APPLY_LAYOUT1(current, args); |
216 | current->container->add(current->container, scroll_area, FALSE); | |
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217 | |
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218 | // ct->current should point to view, not scroll_area, to make it possible |
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219 | // to add a context menu |
32 | 220 | current->container->current = view; |
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221 | |
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222 | return scroll_area; |
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223 | } |
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224 | |
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225 | static void drag_begin(GtkWidget *widget, GdkDragContext *context, gpointer udata) { |
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226 | printf("drag begin\n"); |
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227 | |
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228 | } |
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229 | |
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230 | static void drag_end( |
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231 | GtkWidget *widget, |
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232 | GdkDragContext *context, |
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233 | guint time, |
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234 | gpointer udata) |
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235 | { |
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236 | printf("drag end\n"); |
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237 | |
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238 | } |
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239 | |
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240 | static GtkTargetEntry targetentries[] = |
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241 | { |
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242 | { "STRING", 0, 0 }, |
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243 | { "text/plain", 0, 1 }, |
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244 | { "text/uri-list", 0, 2 }, |
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245 | }; |
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246 | |
32 | 247 | UIWIDGET ui_table_create(UiObject *obj, UiListArgs args) { |
248 | UiObject* current = uic_current_obj(obj); | |
249 | ||
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250 | // create treeview |
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251 | GtkWidget *view = gtk_tree_view_new(); |
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252 | |
32 | 253 | UiModel *model = args.model; |
254 | int columns = model ? model->columns : 0; | |
255 | ||
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256 | int addi = 0; |
32 | 257 | for(int i=0;i<columns;i++) { |
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258 | GtkTreeViewColumn *column = NULL; |
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259 | if(model->types[i] == UI_ICON_TEXT) { |
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260 | column = gtk_tree_view_column_new(); |
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261 | gtk_tree_view_column_set_title(column, model->titles[i]); |
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262 | |
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263 | GtkCellRenderer *iconrenderer = gtk_cell_renderer_pixbuf_new(); |
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264 | GtkCellRenderer *textrenderer = gtk_cell_renderer_text_new(); |
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265 | |
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266 | gtk_tree_view_column_pack_end(column, textrenderer, TRUE); |
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267 | gtk_tree_view_column_pack_start(column, iconrenderer, FALSE); |
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268 | |
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269 | |
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270 | gtk_tree_view_column_add_attribute(column, iconrenderer, "pixbuf", i); |
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271 | gtk_tree_view_column_add_attribute(column, textrenderer, "text", i+1); |
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272 | |
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273 | addi++; |
32 | 274 | } else if (model->types[i] == UI_ICON) { |
275 | GtkCellRenderer *iconrenderer = gtk_cell_renderer_pixbuf_new(); | |
276 | column = gtk_tree_view_column_new_with_attributes( | |
277 | model->titles[i], | |
278 | iconrenderer, | |
279 | "pixbuf", | |
280 | i + addi, | |
281 | NULL); | |
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282 | } else { |
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283 | GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); |
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284 | column = gtk_tree_view_column_new_with_attributes( |
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285 | model->titles[i], |
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286 | renderer, |
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287 | "text", |
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288 | i + addi, |
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289 | NULL); |
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290 | } |
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291 | gtk_tree_view_column_set_resizable(column, TRUE); |
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292 | gtk_tree_view_append_column(GTK_TREE_VIEW(view), column); |
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293 | } |
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294 | |
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295 | //gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE); |
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296 | #ifdef UI_GTK3 |
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297 | //gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(view), TRUE); |
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298 | #else |
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299 | |
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300 | #endif |
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301 | |
32 | 302 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); |
303 | ||
304 | UiList *list = var ? var->value : NULL; | |
305 | GtkListStore *listmodel = create_list_store(list, model); | |
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306 | gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(listmodel)); |
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307 | |
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308 | //g_signal_connect(view, "drag-begin", G_CALLBACK(drag_begin), NULL); |
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309 | //g_signal_connect(view, "drag-end", G_CALLBACK(drag_end), NULL); |
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310 | |
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311 | // add TreeView as observer to the UiList to update the TreeView if the |
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312 | // data changes |
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313 | UiListView *tableview = malloc(sizeof(UiListView)); |
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314 | tableview->obj = obj; |
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315 | tableview->widget = view; |
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316 | tableview->var = var; |
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317 | tableview->model = model; |
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318 | g_signal_connect( |
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319 | view, |
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320 | "destroy", |
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321 | G_CALLBACK(ui_listview_destroy), |
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322 | tableview); |
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323 | |
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324 | // bind var |
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325 | list->update = ui_listview_update; |
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326 | list->getselection = ui_listview_getselection; |
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327 | list->obj = tableview; |
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328 | |
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329 | // add callback |
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330 | UiTreeEventData *event = ui_malloc(obj->ctx, sizeof(UiTreeEventData)); |
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331 | event->obj = obj; |
32 | 332 | event->activate = args.onactivate; |
333 | event->selection = args.onselection; | |
334 | event->activatedata = args.onactivatedata; | |
335 | event->selectiondata = args.onselectiondata; | |
336 | if(args.onactivate) { | |
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337 | g_signal_connect( |
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338 | view, |
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339 | "row-activated", |
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340 | G_CALLBACK(ui_listview_activate_event), |
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341 | event); |
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342 | } |
32 | 343 | if(args.onselection) { |
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344 | GtkTreeSelection *selection = gtk_tree_view_get_selection( |
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345 | GTK_TREE_VIEW(view)); |
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346 | g_signal_connect( |
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347 | selection, |
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348 | "changed", |
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349 | G_CALLBACK(ui_listview_selection_event), |
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350 | event); |
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351 | } |
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352 | // TODO: destroy callback |
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353 | |
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354 | |
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355 | GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(view)); |
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356 | gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE); |
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357 | |
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358 | // add widget to the current container |
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359 | GtkWidget *scroll_area = gtk_scrolled_window_new(NULL, NULL); |
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360 | gtk_scrolled_window_set_policy( |
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361 | GTK_SCROLLED_WINDOW(scroll_area), |
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362 | GTK_POLICY_AUTOMATIC, |
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363 | GTK_POLICY_AUTOMATIC); // GTK_POLICY_ALWAYS |
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364 | gtk_container_add(GTK_CONTAINER(scroll_area), view); |
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365 | |
32 | 366 | UI_APPLY_LAYOUT1(current, args); |
367 | current->container->add(current->container, scroll_area, FALSE); | |
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368 | |
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369 | // ct->current should point to view, not scroll_area, to make it possible |
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370 | // to add a context menu |
32 | 371 | current->container->current = view; |
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372 | |
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373 | return scroll_area; |
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374 | } |
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375 | |
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376 | |
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377 | GtkWidget* ui_get_tree_widget(UIWIDGET widget) { |
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378 | GList *c = gtk_container_get_children(GTK_CONTAINER(widget)); |
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379 | if(c) { |
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380 | return c->data; |
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381 | } |
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382 | return NULL; |
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383 | } |
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384 | |
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385 | static char** targets2array(char *target0, va_list ap, int *nelm) { |
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386 | int al = 16; |
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387 | char **targets = calloc(16, sizeof(char*)); |
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388 | targets[0] = target0; |
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389 | |
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390 | int i = 1; |
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391 | char *target; |
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392 | while((target = va_arg(ap, char*)) != NULL) { |
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393 | if(i >= al) { |
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394 | al *= 2; |
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395 | targets = realloc(targets, al*sizeof(char*)); |
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396 | } |
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397 | targets[i] = target; |
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398 | i++; |
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399 | } |
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400 | |
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401 | *nelm = i; |
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402 | return targets; |
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403 | } |
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404 | |
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405 | static GtkTargetEntry* targetstr2gtktargets(char **str, int nelm) { |
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406 | GtkTargetEntry *targets = calloc(nelm, sizeof(GtkTargetEntry)); |
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407 | for(int i=0;i<nelm;i++) { |
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408 | targets[i].target = str[i]; |
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409 | } |
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410 | return targets; |
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411 | } |
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412 | |
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413 | void ui_table_dragsource(UIWIDGET tablewidget, int actions, char *target0, ...) { |
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414 | va_list ap; |
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415 | va_start(ap, target0); |
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416 | int nelm; |
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417 | char **targets = targets2array(target0, ap, &nelm); |
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418 | va_end(ap); |
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419 | |
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420 | // disabled |
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421 | //ui_table_dragsource_a(tablewidget, actions, targets, nelm); |
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422 | |
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423 | free(targets); |
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424 | } |
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425 | |
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426 | /* |
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427 | void ui_table_dragsource_a(UIWIDGET tablewidget, int actions, char **targets, int nelm) { |
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428 | GtkTargetEntry* t = targetstr2gtktargets(targets, nelm); |
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429 | gtk_tree_view_enable_model_drag_source( |
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430 | GTK_TREE_VIEW(ui_get_tree_widget(tablewidget)), |
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431 | GDK_BUTTON1_MASK, |
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432 | t, |
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433 | nelm, |
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434 | GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_LINK); |
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435 | free(t); |
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436 | } |
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437 | |
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438 | |
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439 | void ui_table_dragdest(UIWIDGET tablewidget, int actions, char *target0, ...) { |
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440 | va_list ap; |
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441 | va_start(ap, target0); |
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442 | int nelm; |
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443 | char **targets = targets2array(target0, ap, &nelm); |
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444 | va_end(ap); |
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445 | ui_table_dragdest_a(tablewidget, actions, targets, nelm); |
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446 | free(targets); |
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447 | } |
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448 | |
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449 | void ui_table_dragdest_a(UIWIDGET tablewidget, int actions, char **targets, int nelm) { |
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450 | GtkTargetEntry* t = targetstr2gtktargets(targets, nelm); |
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451 | gtk_tree_view_enable_model_drag_dest( |
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452 | GTK_TREE_VIEW(ui_get_tree_widget(tablewidget)), |
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453 | t, |
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454 | nelm, |
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455 | GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_LINK); |
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456 | free(t); |
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457 | } |
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458 | */ |
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459 | |
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460 | void ui_listview_update(UiList *list, int i) { |
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461 | UiListView *view = list->obj; |
32 | 462 | GtkListStore *store = create_list_store(list, view->model); |
463 | gtk_tree_view_set_model(GTK_TREE_VIEW(view->widget), GTK_TREE_MODEL(store)); | |
464 | g_object_unref(G_OBJECT(store)); | |
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465 | // TODO: free old model |
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466 | } |
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467 | |
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468 | UiListSelection ui_listview_getselection(UiList *list) { |
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469 | UiListView *view = list->obj; |
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470 | UiListSelection selection = ui_listview_selection( |
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471 | gtk_tree_view_get_selection(GTK_TREE_VIEW(view->widget)), |
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472 | NULL); |
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473 | return selection; |
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474 | } |
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475 | |
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476 | void ui_listview_destroy(GtkWidget *w, UiListView *v) { |
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477 | gtk_tree_view_set_model(GTK_TREE_VIEW(w), NULL); |
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478 | ui_destroy_boundvar(v->obj->ctx, v->var); |
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479 | // TODO: destroy model? |
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480 | free(v); |
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481 | } |
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482 | |
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483 | void ui_combobox_destroy(GtkWidget *w, UiListView *v) { |
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484 | gtk_combo_box_set_model(GTK_COMBO_BOX(w), NULL); |
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485 | ui_destroy_boundvar(v->obj->ctx, v->var); |
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486 | // TODO: destroy model? |
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487 | free(v); |
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488 | } |
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489 | |
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490 | |
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491 | void ui_listview_activate_event( |
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492 | GtkTreeView *treeview, |
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493 | GtkTreePath *path, |
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494 | GtkTreeViewColumn *column, |
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495 | UiTreeEventData *event) |
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496 | { |
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497 | UiListSelection selection = ui_listview_selection( |
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498 | gtk_tree_view_get_selection(treeview), |
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499 | event); |
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500 | |
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501 | UiEvent e; |
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502 | e.obj = event->obj; |
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503 | e.window = event->obj->window; |
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504 | e.document = event->obj->ctx->document; |
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505 | e.eventdata = &selection; |
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506 | e.intval = selection.count > 0 ? selection.rows[0] : -1; |
32 | 507 | event->activate(&e, event->activatedata); |
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508 | |
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509 | if(selection.count > 0) { |
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510 | free(selection.rows); |
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511 | } |
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512 | } |
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513 | |
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514 | void ui_listview_selection_event( |
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515 | GtkTreeSelection *treeselection, |
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516 | UiTreeEventData *event) |
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517 | { |
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518 | UiListSelection selection = ui_listview_selection(treeselection, event); |
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519 | |
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520 | UiEvent e; |
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521 | e.obj = event->obj; |
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522 | e.window = event->obj->window; |
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523 | e.document = event->obj->ctx->document; |
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524 | e.eventdata = &selection; |
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525 | e.intval = selection.count > 0 ? selection.rows[0] : -1; |
32 | 526 | event->selection(&e, event->selectiondata); |
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527 | |
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528 | if(selection.count > 0) { |
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529 | free(selection.rows); |
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530 | } |
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531 | } |
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532 | |
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533 | UiListSelection ui_listview_selection( |
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534 | GtkTreeSelection *selection, |
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535 | UiTreeEventData *event) |
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536 | { |
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537 | GList *rows = gtk_tree_selection_get_selected_rows(selection, NULL); |
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538 | |
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539 | UiListSelection ls; |
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540 | ls.count = g_list_length(rows); |
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541 | ls.rows = calloc(ls.count, sizeof(int)); |
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542 | GList *r = rows; |
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543 | int i = 0; |
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544 | while(r) { |
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545 | GtkTreePath *path = r->data; |
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546 | ls.rows[i] = ui_tree_path_list_index(path); |
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547 | r = r->next; |
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548 | i++; |
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549 | } |
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550 | return ls; |
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551 | } |
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552 | |
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553 | int ui_tree_path_list_index(GtkTreePath *path) { |
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554 | int depth = gtk_tree_path_get_depth(path); |
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555 | if(depth == 0) { |
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556 | fprintf(stderr, "UiError: treeview selection: depth == 0\n"); |
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557 | return -1; |
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558 | } |
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559 | int *indices = gtk_tree_path_get_indices(path); |
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560 | return indices[depth - 1]; |
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561 | } |
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562 | |
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563 | |
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564 | /* --------------------------- ComboBox --------------------------- */ |
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565 | |
32 | 566 | UIWIDGET ui_combobox_create(UiObject *obj, UiListArgs args) { |
567 | UiObject* current = uic_current_obj(obj); | |
568 | ||
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569 | UiModel *model = ui_model(obj->ctx, UI_STRING, "", -1); |
32 | 570 | model->getvalue = args.getvalue; |
571 | ||
572 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); | |
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573 | |
32 | 574 | GtkWidget *combobox = ui_create_combobox(obj, model, var, args.onactivate, args.onactivatedata); |
575 | UI_APPLY_LAYOUT1(current, args); | |
576 | current->container->add(current->container, combobox, FALSE); | |
577 | current->container->current = combobox; | |
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578 | return combobox; |
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579 | } |
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580 | |
32 | 581 | GtkWidget* ui_create_combobox(UiObject *obj, UiModel *model, UiVar *var, ui_callback f, void *udata) { |
582 | GtkWidget *combobox = gtk_combo_box_new(); | |
583 | ||
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584 | UiListView *uicbox = malloc(sizeof(UiListView)); |
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585 | uicbox->obj = obj; |
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586 | uicbox->widget = combobox; |
32 | 587 | |
588 | UiList *list = var ? var->value : NULL; | |
589 | GtkListStore *listmodel = create_list_store(list, model); | |
590 | ||
591 | if(listmodel) { | |
592 | gtk_combo_box_set_model(GTK_COMBO_BOX(combobox), GTK_TREE_MODEL(listmodel)); | |
593 | } | |
594 | ||
595 | uicbox->var = var; | |
596 | uicbox->model = model; | |
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597 | |
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598 | g_signal_connect( |
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599 | combobox, |
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600 | "destroy", |
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601 | G_CALLBACK(ui_combobox_destroy), |
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602 | uicbox); |
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603 | |
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604 | // bind var |
32 | 605 | if(list) { |
606 | list->update = ui_combobox_modelupdate; | |
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607 | // TODO: combobox getselection |
32 | 608 | list->obj = uicbox; |
609 | } | |
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610 | |
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611 | GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); |
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612 | gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), renderer, TRUE); |
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613 | gtk_cell_layout_set_attributes( |
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614 | GTK_CELL_LAYOUT(combobox), |
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615 | renderer, |
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616 | "text", |
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617 | 0, |
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618 | NULL); |
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619 | gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), 0); |
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620 | |
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621 | // add callback |
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622 | if(f) { |
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623 | UiEventData *event = ui_malloc(obj->ctx, sizeof(UiEventData)); |
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624 | event->obj = obj; |
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625 | event->userdata = udata; |
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626 | event->callback = f; |
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627 | event->value = 0; |
32 | 628 | event->customdata = NULL; |
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629 | |
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630 | g_signal_connect( |
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631 | combobox, |
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632 | "changed", |
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633 | G_CALLBACK(ui_combobox_change_event), |
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634 | event); |
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635 | } |
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636 | |
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637 | return combobox; |
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638 | } |
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639 | |
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640 | void ui_combobox_change_event(GtkComboBox *widget, UiEventData *e) { |
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641 | UiEvent event; |
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642 | event.obj = e->obj; |
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643 | event.window = event.obj->window; |
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644 | event.document = event.obj->ctx->document; |
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645 | event.eventdata = NULL; |
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646 | event.intval = gtk_combo_box_get_active(widget); |
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647 | e->callback(&event, e->userdata); |
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648 | } |
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649 | |
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650 | void ui_combobox_modelupdate(UiList *list, int i) { |
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651 | UiListView *view = list->obj; |
32 | 652 | GtkListStore *store = create_list_store(view->var->value, view->model); |
653 | gtk_combo_box_set_model(GTK_COMBO_BOX(view->widget), GTK_TREE_MODEL(store)); | |
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654 | } |
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655 |