--- a/ui/motif/list.c Sun May 23 09:44:43 2021 +0200
+++ b/ui/motif/list.c Sat Jan 04 16:38:48 2025 +0100
@@ -34,87 +34,118 @@
#include "list.h"
#include "../common/object.h"
-
-void* ui_strmodel_getvalue(void *elm, int column) {
- return column == 0 ? elm : NULL;
-}
-
-
-UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata) {
- return ui_listview(obj, list, ui_strmodel_getvalue, f, udata);
-}
-
-UIWIDGET ui_listview_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
- int count;
- XmStringTable items = ui_create_stringlist(var->value, getvalue, &count);
+UIWIDGET ui_listview_create(UiObject* obj, UiListArgs args) {
+ Arg xargs[16];
+ int n = 0;
+
+ UiContainerPrivate *ctn = ui_obj_container(obj);
+ UI_APPLY_LAYOUT(ctn->layout, args);
- Arg args[8];
- int n = 0;
- XtSetArg(args[n], XmNitemCount, count);
- n++;
- XtSetArg(args[n], XmNitems, count == 0 ? NULL : items);
- n++;
+ if(args.multiselection) {
+ XtSetArg(xargs[n], XmNselectionPolicy, XmEXTENDED_SELECT); n++;
+ } else {
+ XtSetArg(xargs[n], XmNselectionPolicy, XmSINGLE_SELECT); n++;
+ }
- UiContainer *ct = uic_get_current_container(obj);
- Widget parent = ct->prepare(ct, args, &n, TRUE);
- Widget widget = XmCreateScrolledList(parent, "listview", args, n);
- ct->add(ct, XtParent(widget));
+ char *name = args.name ? (char*)args.name : "listview";
+ Widget parent = ctn->prepare(ctn, xargs, &n);
+ Widget widget = XmCreateScrolledList(parent, name, xargs, n);
XtManageChild(widget);
- UiListView *listview = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListView));
- listview->widget = widget;
- listview->list = var;
- listview->getvalue = getvalue;
+ UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args.list, args.varname, UI_VAR_LIST);
- for (int i=0;i<count;i++) {
- XmStringFree(items[i]);
- }
- XtFree((char *)items);
+ UiListView *listview = malloc(sizeof(UiListView));
+ memset(listview, 0, sizeof(UiListView));
+ listview->obj = obj;
+ listview->widget = widget;
+ listview->getvalue = args.getvalue ? args.getvalue : ui_strmodel_getvalue;
+ listview->var = var;
+ listview->onactivate = args.onactivate;
+ listview->onactivatedata = args.onactivatedata;
+ listview->onselection = args.onselection;
+ listview->onselectiondata = args.onselectiondata;
- if(f) {
- UiListViewEventData *event = ucx_mempool_malloc(
- obj->ctx->mempool,
- sizeof(UiListViewEventData));
- event->event.obj = obj;
- event->event.userdata = udata;
- event->event.callback = f;
- event->event.value = 0;
- event->var = var;
- XtAddCallback(
+ if(var) {
+ UiList *list = var->value;
+ list->obj = listview;
+ list->update = ui_listview_update;
+ list->getselection = ui_listview_getselection;
+ list->setselection = ui_listview_setselection;
+ ui_listview_update(list, 0);
+ }
+
+ XtAddCallback(
+ widget,
+ XmNdestroyCallback,
+ (XtCallbackProc)ui_listview_destroy,
+ listview);
+
+ XtAddCallback(
widget,
XmNdefaultActionCallback,
- (XtCallbackProc)ui_list_selection_callback,
- event);
- }
+ (XtCallbackProc)ui_listview_activate,
+ listview);
+ XtAddCallback(
+ widget,
+ XmNextendedSelectionCallback,
+ (XtCallbackProc)ui_listview_selection,
+ listview);
+ XtAddCallback(
+ widget,
+ XmNsingleSelectionCallback,
+ (XtCallbackProc)ui_listview_selection,
+ listview);
return widget;
}
-UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
- UiVar *var = malloc(sizeof(UiVar));
- var->value = list;
- var->type = UI_VAR_SPECIAL;
- return ui_listview_var(obj, var, getvalue, f, udata);
+void ui_listview_destroy(Widget w, UiListView *listview, XtPointer d) {
+ // TODO
+}
+
+static void list_callback(UiObject *obj, UiListSelection sel, ui_callback callback, void *userdata) {
+ UiEvent event;
+ event.obj = obj;
+ event.window = obj->window;
+ event.document = obj->ctx->document;
+ event.eventdata = &sel;
+ event.intval = sel.count > 0 ? sel.rows[0] : -1;
+ callback(&event, userdata);
}
-UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
- UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST);
- if(var) {
- UiListVar *value = var->value;
- return ui_listview_var(obj, var, getvalue, f, udata);
- } else {
- // TODO: error
+static void listview_save_selection(UiListView *listview, XmListCallbackStruct *cb) {
+ UiListSelection sel = { cb->selected_item_count, NULL };
+ if(sel.count > 0) {
+ sel.rows = calloc(sel.count, sizeof(int));
+ for(int i=0;i<sel.count;i++) {
+ sel.rows[i] = cb->selected_item_positions[i]-1;
+ }
}
- return NULL;
+ free(listview->current_selection.rows);
+ listview->current_selection = sel;
}
+void ui_listview_activate(Widget w, UiListView *listview, XmListCallbackStruct *cb) {
+ listview_save_selection(listview, cb);
+ if(listview->onactivate) {
+ list_callback(listview->obj, listview->current_selection, listview->onactivate, listview->onactivatedata);
+ }
+}
-XmStringTable ui_create_stringlist(UiList *list, ui_getvaluefunc getvalue, int *count) {
+void ui_listview_selection(Widget w, UiListView *listview, XmListCallbackStruct *cb) {
+ listview_save_selection(listview, cb);
+ if(listview->onselection) {
+ list_callback(listview->obj, listview->current_selection, listview->onselection, listview->onselectiondata);
+ }
+}
+
+static XmStringTable create_stringlist(UiList *list, ui_getvaluefunc getvalue, int *count) {
int num = list->count(list);
XmStringTable items = (XmStringTable)XtMalloc(num * sizeof(XmString));
void *data = list->first(list);
for(int i=0;i<num;i++) {
- items[i] = XmStringCreateLocalized(getvalue(data, 0));
+ char *s = getvalue(data, 0);
+ items[i] = XmStringCreateLocalized(s ? s : "");
data = list->next(list);
}
@@ -122,16 +153,17 @@
return items;
}
-
-void ui_listview_update(UiEvent *event, UiListView *view) {
+void ui_listview_update(UiList *list, int i) {
+ UiListView *listview = list->obj;
+
int count;
- XmStringTable items = ui_create_stringlist(
- view->list->value,
- view->getvalue,
+ XmStringTable items = create_stringlist(
+ list,
+ listview->getvalue,
&count);
XtVaSetValues(
- view->widget,
+ listview->widget,
XmNitems, count == 0 ? NULL : items,
XmNitemCount,
count,
@@ -143,65 +175,24 @@
XtFree((char *)items);
}
-void ui_list_selection_callback (Widget widget, UiListViewEventData *event, XtPointer data) {
- XmListCallbackStruct *cbs = (XmListCallbackStruct *)data;
-
- UiEvent e;
- e.obj = event->event.obj;
- e.window = event->event.obj->window;
- e.document = event->event.obj->ctx->document;
- UiList *list = event->var->value;
- e.eventdata = list->get(list, cbs->item_position - 1);
- e.intval = cbs->item_position - 1;
- event->event.callback(&e, event->event.userdata);
-}
-
-
-/* --------------------------- ComboBox --------------------------- */
-
-UIWIDGET ui_combobox_str(UiObject *obj, UiList *list, ui_callback f, void *udata) {
- return ui_combobox(obj, list, ui_strmodel_getvalue, f, udata);
-}
-
-UIWIDGET ui_combobox(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
- UiVar *var = malloc(sizeof(UiVar));
- var->value = list;
- var->type = UI_VAR_SPECIAL;
- return ui_combobox_var(obj, var, getvalue, f, udata);
+UiListSelection ui_listview_getselection(UiList *list) {
+ UiListView *listview = list->obj;
+ UiListSelection sel = { listview->current_selection.count, NULL };
+ if(sel.count > 0) {
+ sel.rows = calloc(sel.count, sizeof(int));
+ memcpy(sel.rows, listview->current_selection.rows, sel.count*sizeof(int));
+ }
+ return sel;
}
-UIWIDGET ui_combobox_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
- UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST);
- if(var) {
- UiListVar *value = var->value;
- return ui_combobox_var(obj, var, getvalue, f, udata);
- } else {
- // TODO: error
+void ui_listview_setselection(UiList *list, UiListSelection selection) {
+ UiListView *listview = list->obj;
+ XmListDeselectAllItems(listview->widget);
+ for(int i=0;i<selection.count;i++) {
+ XmListSelectPos(listview->widget, selection.rows[i]+1, False);
}
- return NULL;
}
-UIWIDGET ui_combobox_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
- UiListView *listview = ucx_mempool_malloc(
- obj->ctx->mempool,
- sizeof(UiListView));
-
- UiContainer *ct = uic_get_current_container(obj);
- Arg args[16];
- int n = 0;
- XtSetArg(args[n], XmNindicatorOn, XmINDICATOR_NONE);
- n++;
- XtSetArg(args[n], XmNtraversalOn, FALSE);
- n++;
- XtSetArg(args[n], XmNwidth, 160);
- n++;
- Widget parent = ct->prepare(ct, args, &n, FALSE);
- Widget combobox = XmCreateDropDownList(parent, "combobox", args, n);
- XtManageChild(combobox);
- listview->widget = combobox;
- listview->list = var;
- listview->getvalue = getvalue;
-
- ui_listview_update(NULL, listview);
-
+void* ui_strmodel_getvalue(void *elm, int column) {
+ return column == 0 ? elm : NULL;
}