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comparison: ui/motif/list.c

ui/motif/list.c

changeset 115
e57ca2747782
parent 112
c3f2f16fa4b8
equal deleted inserted replaced
114:3da24640513a 115:e57ca2747782
26 * POSSIBILITY OF SUCH DAMAGE. 26 * POSSIBILITY OF SUCH DAMAGE.
27 */ 27 */
28 28
29 #include <stdio.h> 29 #include <stdio.h>
30 #include <stdlib.h> 30 #include <stdlib.h>
31 #include <Xm/Xm.h>
31 32
32 #include "container.h" 33 #include "container.h"
33 34
34 #include "list.h" 35 #include "list.h"
35 #include "../common/object.h" 36 #include "../common/object.h"
59 60
60 if(args->multiselection) { 61 if(args->multiselection) {
61 XtSetArg(xargs[n], XmNselectionPolicy, XmEXTENDED_SELECT); n++; 62 XtSetArg(xargs[n], XmNselectionPolicy, XmEXTENDED_SELECT); n++;
62 } else { 63 } else {
63 XtSetArg(xargs[n], XmNselectionPolicy, XmSINGLE_SELECT); n++; 64 XtSetArg(xargs[n], XmNselectionPolicy, XmSINGLE_SELECT); n++;
65 }
66 if(args->height > 0) {
67 XtSetArg(xargs[n], XmNheight, args->height); n++;
64 } 68 }
65 69
66 char *name = args->name ? (char*)args->name : "listview"; 70 char *name = args->name ? (char*)args->name : "listview";
67 Widget parent = ui_container_prepare(ctn, &layout, xargs, &n); 71 Widget parent = ui_container_prepare(ctn, &layout, xargs, &n);
68 Widget widget = XmCreateScrolledList(parent, name, xargs, n); 72 Widget widget = XmCreateScrolledList(parent, name, xargs, n);
89 listview->onactivate = args->onactivate; 93 listview->onactivate = args->onactivate;
90 listview->onactivatedata = args->onactivatedata; 94 listview->onactivatedata = args->onactivatedata;
91 listview->onselection = args->onselection; 95 listview->onselection = args->onselection;
92 listview->onselectiondata = args->onselectiondata; 96 listview->onselectiondata = args->onselectiondata;
93 97
98 char **static_elements = args->static_elements;
99 size_t static_nelm = args->static_nelm;
94 if(var) { 100 if(var) {
95 UiList *list = var->value; 101 UiList *list = var->value;
96 list->obj = listview; 102 list->obj = listview;
97 list->update = ui_listview_update; 103 list->update = ui_listview_update;
98 list->getselection = ui_listview_getselection; 104 list->getselection = ui_listview_getselection;
99 list->setselection = ui_listview_setselection; 105 list->setselection = ui_listview_setselection;
100 ui_listview_update(list, 0); 106 ui_listview_update(list, 0);
107 } else if(static_elements && static_nelm > 0) {
108 XmStringTable items = calloc(static_nelm, sizeof(XmString));
109 for(int i=0;i<static_nelm;i++) {
110 items[i] = XmStringCreateLocalized(static_elements[i]);
111 }
112 XtVaSetValues(
113 listview->widget,
114 XmNitems, items,
115 XmNitemCount,
116 static_nelm,
117 NULL);
118 for (int i=0;i<static_nelm;i++) {
119 XmStringFree(items[i]);
120 }
121 free(items);
122 listview->getvalue = getvalue_wrapper;
123 listview->getvaluedata = ui_strmodel_getvalue;
101 } 124 }
102 125
103 XtAddCallback( 126 XtAddCallback(
104 widget, 127 widget,
105 XmNdestroyCallback, 128 XmNdestroyCallback,
112 (XtCallbackProc)ui_listview_activate, 135 (XtCallbackProc)ui_listview_activate,
113 listview); 136 listview);
114 XtAddCallback( 137 XtAddCallback(
115 widget, 138 widget,
116 XmNextendedSelectionCallback, 139 XmNextendedSelectionCallback,
117 (XtCallbackProc)ui_listview_selection, 140 (XtCallbackProc)ui_listview_selection_changed,
118 listview); 141 listview);
119 XtAddCallback( 142 XtAddCallback(
120 widget, 143 widget,
121 XmNsingleSelectionCallback, 144 XmNsingleSelectionCallback,
122 (XtCallbackProc)ui_listview_selection, 145 (XtCallbackProc)ui_listview_selection_changed,
123 listview); 146 listview);
124 147
125 return widget; 148 return widget;
126 } 149 }
127 150
151 void ui_listview_select(UIWIDGET listview, int index) {
152 XmListDeselectAllItems(listview);
153 XmListSelectPos(listview, index+1, False);
154 }
155
156 int ui_listview_selection(UIWIDGET listview) {
157 int *selpositions = NULL;
158 int numpos = 0;
159 XtVaGetValues(listview, XmNselectedPositions, &selpositions, XmNselectedPositionCount, &numpos, NULL);
160 return numpos > 0 ? selpositions[0] : -1;
161 }
162
128 void ui_listview_destroy(Widget w, UiListView *listview, XtPointer d) { 163 void ui_listview_destroy(Widget w, UiListView *listview, XtPointer d) {
129 // TODO 164 ui_listselection_free(listview->current_selection);
165 if(listview->model) {
166 ui_model_remove_observer(listview->model, listview);
167 ui_model_unref(listview->model);
168 }
169 free(listview);
130 } 170 }
131 171
132 static void list_callback(UiObject *obj, UiListSelection sel, ui_callback callback, void *userdata) { 172 static void list_callback(UiObject *obj, UiListSelection sel, ui_callback callback, void *userdata) {
133 UiEvent event; 173 UiEvent event;
134 event.obj = obj; 174 event.obj = obj;
142 182
143 static void listview_save_selection(UiListView *listview, XmListCallbackStruct *cb) { 183 static void listview_save_selection(UiListView *listview, XmListCallbackStruct *cb) {
144 UiListSelection sel = { cb->selected_item_count, NULL }; 184 UiListSelection sel = { cb->selected_item_count, NULL };
145 if(sel.count > 0) { 185 if(sel.count > 0) {
146 sel.rows = calloc(sel.count, sizeof(int)); 186 sel.rows = calloc(sel.count, sizeof(int));
147 for(int i=0;i<sel.count;i++) { 187 if(sel.count == 1) {
148 sel.rows[i] = cb->selected_item_positions[i]-1; 188 sel.rows[0] = cb->item_position-1;
189 } else if(cb->selected_item_positions) {
190 for(int i=0;i<sel.count;i++) {
191 sel.rows[i] = cb->selected_item_positions[i]-1;
192 }
149 } 193 }
150 } 194 }
151 free(listview->current_selection.rows); 195 free(listview->current_selection.rows);
152 listview->current_selection = sel; 196 listview->current_selection = sel;
153 } 197 }
157 if(listview->onactivate) { 201 if(listview->onactivate) {
158 list_callback(listview->obj, listview->current_selection, listview->onactivate, listview->onactivatedata); 202 list_callback(listview->obj, listview->current_selection, listview->onactivate, listview->onactivatedata);
159 } 203 }
160 } 204 }
161 205
162 void ui_listview_selection(Widget w, UiListView *listview, XmListCallbackStruct *cb) { 206 void ui_listview_selection_changed(Widget w, UiListView *listview, XmListCallbackStruct *cb) {
163 listview_save_selection(listview, cb); 207 listview_save_selection(listview, cb);
164 if(listview->onselection) { 208 if(listview->onselection) {
165 list_callback(listview->obj, listview->current_selection, listview->onselection, listview->onselectiondata); 209 list_callback(listview->obj, listview->current_selection, listview->onselection, listview->onselectiondata);
166 } 210 }
167 } 211 }
207 XtFree((char *)items); 251 XtFree((char *)items);
208 } 252 }
209 253
210 UiListSelection ui_listview_getselection(UiList *list) { 254 UiListSelection ui_listview_getselection(UiList *list) {
211 UiListView *listview = list->obj; 255 UiListView *listview = list->obj;
212 UiListSelection sel = { listview->current_selection.count, NULL }; 256 UiListSelection sel = { 0, NULL };
213 if(sel.count > 0) { 257 int *selpositions = NULL;
214 sel.rows = calloc(sel.count, sizeof(int)); 258 int numpos = 0;
215 memcpy(sel.rows, listview->current_selection.rows, sel.count*sizeof(int)); 259 XtVaGetValues(listview->widget, XmNselectedPositions, &selpositions, XmNselectedPositionCount, &numpos, NULL);
260 if(numpos > 0) {
261 sel.rows = calloc(numpos, sizeof(int));
262 sel.count = numpos;
263 memcpy(sel.rows, selpositions, numpos*sizeof(int));
264 // motif selected positions start at index 1 -> translate positions
265 for(int i=0;i<numpos;i++) {
266 sel.rows[i]--;
267 }
216 } 268 }
217 return sel; 269 return sel;
218 } 270 }
219 271
220 void ui_listview_setselection(UiList *list, UiListSelection selection) { 272 void ui_listview_setselection(UiList *list, UiListSelection selection) {
231 return column == 0 ? elm : NULL; 283 return column == 0 ? elm : NULL;
232 } 284 }
233 285
234 /* ------------------------------- Drop Down ------------------------------- */ 286 /* ------------------------------- Drop Down ------------------------------- */
235 287
236 static void ui_dropdown_selection( 288 static void ui_dropdown_selection_changed(
237 Widget w, 289 Widget w,
238 UiListView *listview, 290 UiListView *listview,
239 XmComboBoxCallbackStruct *cb) 291 XmComboBoxCallbackStruct *cb)
240 { 292 {
241 int index = cb->item_position; 293 int index = cb->item_position;
258 if(listview->onselection) { 310 if(listview->onselection) {
259 listview->onselection(&event, listview->onselectiondata); 311 listview->onselection(&event, listview->onselectiondata);
260 } 312 }
261 } 313 }
262 314
263 UIWIDGET ui_combobox_create(UiObject* obj, UiListArgs *args) { 315 UIWIDGET ui_dropdown_create(UiObject* obj, UiListArgs *args) {
264 Arg xargs[16]; 316 Arg xargs[16];
265 int n = 0; 317 int n = 0;
266 318
267 UiContainerPrivate *ctn = ui_obj_container(obj); 319 UiContainerPrivate *ctn = ui_obj_container(obj);
268 UiLayout layout = UI_ARGS2LAYOUT(args); 320 UiLayout layout = UI_ARGS2LAYOUT(args);
293 listview->onactivate = args->onactivate; 345 listview->onactivate = args->onactivate;
294 listview->onactivatedata = args->onactivatedata; 346 listview->onactivatedata = args->onactivatedata;
295 listview->onselection = args->onselection; 347 listview->onselection = args->onselection;
296 listview->onselectiondata = args->onselectiondata; 348 listview->onselectiondata = args->onselectiondata;
297 349
350 char **static_elements = args->static_elements;
351 size_t static_nelm = args->static_nelm;
298 if(var) { 352 if(var) {
299 UiList *list = var->value; 353 UiList *list = var->value;
300 list->obj = listview; 354 list->obj = listview;
301 list->update = ui_listview_update; 355 list->update = ui_listview_update;
302 list->getselection = ui_listview_getselection; 356 list->getselection = ui_dropdown_getselection;
303 list->setselection = ui_listview_setselection; 357 list->setselection = ui_dropdown_setselection;
304 ui_listview_update(list, 0); 358 ui_listview_update(list, 0);
359 } else if(static_elements && static_nelm > 0) {
360 XmStringTable items = calloc(static_nelm, sizeof(XmString));
361 for(int i=0;i<static_nelm;i++) {
362 items[i] = XmStringCreateLocalized(static_elements[i]);
363 }
364 XtVaSetValues(
365 listview->widget,
366 XmNitems, items,
367 XmNitemCount,
368 static_nelm,
369 NULL);
370 for (int i=0;i<static_nelm;i++) {
371 XmStringFree(items[i]);
372 }
373 free(items);
374 listview->getvalue = getvalue_wrapper;
375 listview->getvaluedata = ui_strmodel_getvalue;
305 } 376 }
306 377
307 XtAddCallback( 378 XtAddCallback(
308 widget, 379 widget,
309 XmNdestroyCallback, 380 XmNdestroyCallback,
310 (XtCallbackProc)ui_listview_destroy, 381 (XtCallbackProc)ui_listview_destroy,
311 listview); 382 listview);
312 XtAddCallback( 383 XtAddCallback(
313 widget, 384 widget,
314 XmNselectionCallback, 385 XmNselectionCallback,
315 (XtCallbackProc)ui_dropdown_selection, 386 (XtCallbackProc)ui_dropdown_selection_changed,
316 listview); 387 listview);
317 388
318 return widget; 389 return widget;
319 } 390 }
391
392 void ui_dropdown_setselection(UiList *list, UiListSelection selection) {
393 UiListView *listview = list->obj;
394 if(selection.count > 0) {
395 XtVaSetValues(listview->widget, XmNselectedPosition, selection.rows[0], NULL);
396 } else {
397 XtVaSetValues(listview->widget, XmNselectedPosition, 0, NULL);
398 }
399 }
400
401 UiListSelection ui_dropdown_getselection(UiList *list) {
402 UiListView *listview = list->obj;
403 int pos = -1;
404 XtVaGetValues(listview->widget, XmNselectedPosition, &pos, NULL);
405 UiListSelection sel = { 0, NULL };
406 if(pos >= 0) {
407 sel.rows = malloc(sizeof(int));
408 sel.rows[0] = pos;
409 sel.count = 1;
410 }
411 return sel;
412 }
413
414 void ui_dropdown_select(UIWIDGET dropdown, int index) {
415 XtVaSetValues(dropdown, XmNselectedPosition, index, NULL);
416 }
417
418 int ui_dropdown_selection(UIWIDGET dropdown) {
419 int pos = -1;
420 XtVaGetValues(dropdown, XmNselectedPosition, &pos, NULL);
421 }

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