--- a/ui/gtk/list.c Tue Nov 26 15:53:57 2024 +0100
+++ b/ui/gtk/list.c Wed Nov 27 13:28:21 2024 +0100
@@ -35,9 +35,12 @@
#include "../common/object.h"
#include "container.h"
+#include <cx/array_list.h>
+
#include "list.h"
#include "icon.h"
#include "menu.h"
+#include "dnd.h"
void* ui_strmodel_getvalue(void *elm, int column) {
@@ -366,6 +369,12 @@
tableview->widget = view;
tableview->var = var;
tableview->model = model;
+ tableview->ondragstart = args.ondragstart;
+ tableview->ondragstartdata = args.ondragstartdata;
+ tableview->ondragcomplete = args.ondragcomplete;
+ tableview->ondragcompletedata = args.ondragcompletedata;
+ tableview->ondrop = args.ondrop;
+ tableview->ondropdata = args.ondropsdata;
g_signal_connect(
view,
"destroy",
@@ -403,6 +412,13 @@
}
// TODO: destroy callback
+
+ if(args.ondragstart) {
+ ui_listview_add_dnd(tableview, &args);
+ }
+ if(args.ondrop) {
+ ui_listview_enable_drop(tableview, &args);
+ }
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(view));
if(args.multiselection) {
@@ -432,6 +448,234 @@
return scroll_area;
}
+#if GTK_MAJOR_VERSION >= 4
+
+static GdkContentProvider *ui_listview_dnd_prepare(GtkDragSource *source, double x, double y, void *data) {
+ //printf("drag prepare\n");
+ UiListView *listview = data;
+
+ UiDnD *dnd = ui_create_dnd();
+ GdkContentProvider *provider = NULL;
+
+
+ if(listview->ondragstart) {
+ UiEvent event;
+ event.obj = listview->obj;
+ event.window = event.obj->window;
+ event.document = event.obj->ctx->document;
+ event.eventdata = dnd;
+ event.intval = 0;
+ listview->ondragstart(&event, listview->ondragstartdata);
+ }
+
+ size_t numproviders = cxListSize(dnd->providers);
+ if(numproviders > 0) {
+ GdkContentProvider **providers = (GdkContentProvider**)cxListAt(dnd->providers, 0);
+ provider = gdk_content_provider_new_union(providers, numproviders);
+ }
+ ui_dnd_free(dnd);
+
+ return provider;
+}
+
+static void ui_listview_drag_begin(GtkDragSource *self, GdkDrag *drag, gpointer userdata) {
+ //printf("drag begin\n");
+}
+
+static void ui_listview_drag_end(GtkDragSource *self, GdkDrag *drag, gboolean delete_data, gpointer user_data) {
+ //printf("drag end\n");
+ UiListView *listview = user_data;
+ if(listview->ondragcomplete) {
+ UiDnD dnd;
+ dnd.target = NULL;
+ dnd.value = NULL;
+ dnd.providers = NULL;
+ dnd.selected_action = gdk_drag_get_selected_action(drag);
+ dnd.delete = delete_data;
+ dnd.accept = FALSE;
+
+ UiEvent event;
+ event.obj = listview->obj;
+ event.window = event.obj->window;
+ event.document = event.obj->ctx->document;
+ event.eventdata = &dnd;
+ event.intval = 0;
+ listview->ondragcomplete(&event, listview->ondragcompletedata);
+ }
+}
+
+static gboolean ui_listview_drop(
+ GtkDropTarget *target,
+ const GValue* value,
+ gdouble x,
+ gdouble y,
+ gpointer user_data)
+{
+ UiListView *listview = user_data;
+ UiDnD dnd;
+ dnd.providers = NULL;
+ dnd.target = target;
+ dnd.value = value;
+ dnd.selected_action = 0;
+ dnd.delete = FALSE;
+ dnd.accept = FALSE;
+
+ if(listview->ondrop) {
+ dnd.accept = TRUE;
+ UiEvent event;
+ event.obj = listview->obj;
+ event.window = event.obj->window;
+ event.document = event.obj->ctx->document;
+ event.eventdata = &dnd;
+ event.intval = 0;
+ listview->ondrop(&event, listview->ondropdata);
+ }
+
+ return dnd.accept;
+}
+
+void ui_listview_add_dnd(UiListView *listview, UiListArgs *args) {
+ GtkDragSource *dragsource = gtk_drag_source_new();
+ gtk_widget_add_controller(listview->widget, GTK_EVENT_CONTROLLER(dragsource));
+ g_signal_connect (dragsource, "prepare", G_CALLBACK (ui_listview_dnd_prepare), listview);
+ g_signal_connect(
+ dragsource,
+ "drag-begin",
+ G_CALLBACK(ui_listview_drag_begin),
+ listview);
+ g_signal_connect(
+ dragsource,
+ "drag-end",
+ G_CALLBACK(ui_listview_drag_end),
+ listview);
+}
+
+void ui_listview_enable_drop(UiListView *listview, UiListArgs *args) {
+ GtkDropTarget *target = gtk_drop_target_new(G_TYPE_INVALID, GDK_ACTION_COPY);
+ gtk_widget_add_controller(listview->widget, GTK_EVENT_CONTROLLER(target));
+ GType default_types[2] = { GDK_TYPE_FILE_LIST, G_TYPE_STRING };
+ gtk_drop_target_set_gtypes(target, default_types, 2);
+ g_signal_connect(target, "drop", G_CALLBACK(ui_listview_drop), listview);
+}
+
+#else
+
+static GtkTargetEntry targetentries[] =
+{
+ { "STRING", 0, 0 },
+ { "text/plain", 0, 1 },
+ { "text/uri-list", 0, 2 },
+};
+
+static void ui_listview_drag_getdata(
+ GtkWidget* self,
+ GdkDragContext* context,
+ GtkSelectionData* data,
+ guint info,
+ guint time,
+ gpointer user_data)
+{
+ UiListView *listview = user_data;
+ UiDnD dnd;
+ dnd.context = context;
+ dnd.data = data;
+ dnd.selected_action = 0;
+ dnd.delete = FALSE;
+ dnd.accept = FALSE;
+
+ if(listview->ondragstart) {
+ UiEvent event;
+ event.obj = listview->obj;
+ event.window = event.obj->window;
+ event.document = event.obj->ctx->document;
+ event.eventdata = &dnd;
+ event.intval = 0;
+ listview->ondragstart(&event, listview->ondragstartdata);
+ }
+}
+
+static void ui_listview_drag_end(
+ GtkWidget *widget,
+ GdkDragContext *context,
+ guint time,
+ gpointer user_data)
+{
+ UiListView *listview = user_data;
+ UiDnD dnd;
+ dnd.context = context;
+ dnd.data = NULL;
+ dnd.selected_action = gdk_drag_context_get_selected_action(context);
+ dnd.delete = dnd.selected_action == UI_DND_ACTION_MOVE ? TRUE : FALSE;
+ dnd.accept = FALSE;
+ if(listview->ondragcomplete) {
+ UiEvent event;
+ event.obj = listview->obj;
+ event.window = event.obj->window;
+ event.document = event.obj->ctx->document;
+ event.eventdata = &dnd;
+ event.intval = 0;
+ listview->ondragcomplete(&event, listview->ondragcompletedata);
+ }
+}
+
+void ui_listview_add_dnd(UiListView *listview, UiListArgs *args) {
+ gtk_tree_view_enable_model_drag_source(
+ GTK_TREE_VIEW(listview->widget),
+ GDK_BUTTON1_MASK,
+ targetentries,
+ 2,
+ GDK_ACTION_COPY);
+
+ g_signal_connect(listview->widget, "drag-data-get", G_CALLBACK(ui_listview_drag_getdata), listview);
+ g_signal_connect(listview->widget, "drag-end", G_CALLBACK(ui_listview_drag_end), listview);
+}
+
+
+
+
+static void ui_listview_drag_data_received(
+ GtkWidget *self,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *data,
+ guint info,
+ guint time,
+ gpointer user_data)
+{
+ UiListView *listview = user_data;
+ UiDnD dnd;
+ dnd.context = context;
+ dnd.data = data;
+ dnd.selected_action = 0;
+ dnd.delete = FALSE;
+ dnd.accept = FALSE;
+
+ if(listview->ondrop) {
+ dnd.accept = TRUE;
+ UiEvent event;
+ event.obj = listview->obj;
+ event.window = event.obj->window;
+ event.document = event.obj->ctx->document;
+ event.eventdata = &dnd;
+ event.intval = 0;
+ listview->ondrop(&event, listview->ondropdata);
+ }
+}
+
+void ui_listview_enable_drop(UiListView *listview, UiListArgs *args) {
+ gtk_tree_view_enable_model_drag_dest(
+ GTK_TREE_VIEW(listview->widget),
+ targetentries,
+ 3,
+ GDK_ACTION_COPY);
+ if(listview->ondrop) {
+ g_signal_connect(listview->widget, "drag_data_received", G_CALLBACK(ui_listview_drag_data_received), listview);
+ }
+}
+
+#endif
+
GtkWidget* ui_get_tree_widget(UIWIDGET widget) {
return SCROLLEDWINDOW_GET_CHILD(widget);