fix a small memory leak in case user cancels the selection after new items appeared...
[simple-launcher] / sla-list.cc
index efe5875..dff4767 100644 (file)
@@ -1,6 +1,6 @@
 // This file is a part of Simple Launcher
 //
-// Copyright (C) 2006, Mikhail Sobolev
+// Copyright (C) 2006, 2007, Mikhail Sobolev
 //
 // Simple Launcher is free software; you can redistribute it and/or modify it
 // under the terms of the GNU General Public License version 2 as published by
 #include <gtk/gtkcellrendererpixbuf.h>
 #include <gtk/gtkcellrenderertext.h>
 #include <gtk/gtkcellrenderertoggle.h>
+#include <gtk/gtktable.h>
+#include <gtk/gtkbutton.h>
+#include <gtk/gtktreeselection.h>
+#include <gtk/gtkhbox.h>
+#include <gtk/gtkstock.h>
 
 #include "sla-list.h"
 
-SLAList::SLAList(int icon_size): myWidget(0), myStore(0), myView(0) {
+enum {
+  SLA_STORE_COLUMN_ICON = 0,
+  SLA_STORE_COLUMN_INDEX,
+  SLA_STORE_COLUMN_LAST
+};
+
+static GtkWidget *gtk_button_new_stock_image_only(const gchar *stock_id) {
+  GtkWidget *button = gtk_button_new();
+  GtkWidget *image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_BUTTON);
+
+  gtk_container_add(GTK_CONTAINER(button), image);
+
+  return button;
+}
+
+SLAList::SLAList(int icon_size, LauncherItems& items): myWidget(NULL), myStore(NULL), myView(NULL), mySelection(NULL), myLastSelection(NULL), myItems(items) {
   GtkTreeViewColumn *column;
   GtkCellRenderer *renderer;
 
-  myStore = gtk_list_store_new(3, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_BOOLEAN);
-  myView = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL(myStore)));
+  myStore = gtk_list_store_new(2, GDK_TYPE_PIXBUF, G_TYPE_INT);
 
+  myView = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL(myStore)));
   gtk_tree_view_set_headers_visible(myView, FALSE);
+  g_object_set(myView, "allow-checkbox-mode", FALSE, NULL);
+
+  mySelection = gtk_tree_view_get_selection(myView);
+  gtk_tree_selection_set_mode(mySelection, GTK_SELECTION_SINGLE);
+
+  g_signal_connect(G_OBJECT(mySelection), "changed", G_CALLBACK(_selectionChanged), this);
 
   renderer = gtk_cell_renderer_pixbuf_new();
-  g_object_set(renderer, "yalign", 0.0, 0);
+  g_object_set(renderer, "yalign", 0.0, NULL);
   gtk_cell_renderer_set_fixed_size(renderer, icon_size+4, -1);
-  column = GTK_TREE_VIEW_COLUMN(gtk_tree_view_column_new_with_attributes("", renderer, "pixbuf", 0, 0));
+  column = GTK_TREE_VIEW_COLUMN(gtk_tree_view_column_new_with_attributes("", renderer, "pixbuf", 0, NULL));
 
   gtk_tree_view_insert_column(myView, column, -1);
 
   renderer = gtk_cell_renderer_text_new();
-  g_object_set(renderer, "yalign", 0.0, 0);
-  column = GTK_TREE_VIEW_COLUMN(gtk_tree_view_column_new_with_attributes("", renderer, "text", 1, 0));
+  g_object_set(renderer, "yalign", 0.0, NULL);
+  column = gtk_tree_view_column_new();
   gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
   gtk_tree_view_column_set_expand(column, TRUE);
+  gtk_tree_view_column_pack_start(column, renderer, TRUE);
+  gtk_tree_view_column_set_cell_data_func(column, renderer, _renderText, this, NULL);
 
   gtk_tree_view_insert_column(myView, column, -1);
 
   renderer = gtk_cell_renderer_toggle_new();
-  column = GTK_TREE_VIEW_COLUMN(gtk_tree_view_column_new_with_attributes("", renderer, "active", 2, 0));
+  g_object_set(renderer, "activatable", TRUE, NULL);
+  g_signal_connect(renderer, "toggled", G_CALLBACK(_toggleBool), this);
+  column = gtk_tree_view_column_new();
+  gtk_tree_view_column_pack_start(column, renderer, TRUE);
+  gtk_tree_view_column_set_cell_data_func(column, renderer, _renderBool, this, NULL);
 
   gtk_tree_view_insert_column(myView, column, -1);
 
-  myWidget = gtk_scrolled_window_new(0, 0);
+  GtkWidget *swindow = gtk_scrolled_window_new(NULL, NULL);
+
+  gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(swindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+  gtk_container_add(GTK_CONTAINER(swindow), GTK_WIDGET(myView));
+
+  gtk_widget_set_size_request(swindow, 500, 300);
+
+  GtkWidget *move_up = gtk_button_new_stock_image_only(GTK_STOCK_GO_UP),
+            *move_down = gtk_button_new_stock_image_only(GTK_STOCK_GO_DOWN);
+  GtkTable *table = GTK_TABLE(gtk_table_new(4, 1, FALSE));
+  gtk_table_attach(table, move_up, 0, 1, 1, 2, (GtkAttachOptions)(GTK_EXPAND|GTK_FILL), GTK_EXPAND, 0, 0);
+  gtk_table_attach(table, move_down, 0, 1, 2, 3, (GtkAttachOptions)(GTK_EXPAND|GTK_FILL), GTK_EXPAND, 0, 0);
+
+  g_signal_connect(move_up, "clicked", G_CALLBACK(_moveUp), this);
+  g_signal_connect(move_down, "clicked", G_CALLBACK(_moveDown), this);
+
+  myWidget = gtk_hbox_new(FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(myWidget), swindow, FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(myWidget), GTK_WIDGET(table), FALSE, FALSE, 0);
+
+  gtk_widget_show_all(myWidget);
+
+  for (LauncherItems::Names::const_iterator it = myItems.myNames.begin(); it != myItems.myNames.end(); ++it) {
+    LauncherItem *item = myItems.myItems[*it];
+    GtkTreeIter iter;
+
+    gtk_list_store_append(myStore, &iter);
+    gtk_list_store_set(myStore, &iter, 0, item->getIcon(icon_size), 1, it-myItems.myNames.begin(), -1);
+  }
+}
+
+SLAList::~SLAList() {
+  // FIXME: do something! :)
+}
+
+void SLAList::_selectionChanged(GtkTreeSelection *selection, void *self) {
+  ((SLAList *)self)->selectionChanged(selection);
+}
+
+void SLAList::selectionChanged(GtkTreeSelection *) {
+  if (myLastSelection != NULL) {
+    kickIt(myLastSelection);
+    gtk_tree_iter_free(myLastSelection);
+    myLastSelection = NULL;
+  }
+
+  GtkTreeIter iter;
+  GtkTreeModel *dummy;
+
+  if (gtk_tree_selection_get_selected(mySelection, &dummy, &iter)) {
+    kickIt(&iter);
+    myLastSelection = gtk_tree_iter_copy(&iter);
+  }
+}
+
+void SLAList::kickIt(GtkTreeIter *iter) {
+  GtkTreePath *path = gtk_tree_model_get_path(GTK_TREE_MODEL(myStore), iter);
+
+  if (path != NULL) {
+    g_signal_emit_by_name(myStore, "row-changed", path, iter);
+    gtk_tree_path_free(path);
+  }
+}
+
+void SLAList::_renderText(GtkTreeViewColumn *column, GtkCellRenderer *cell, GtkTreeModel *model, GtkTreeIter *iter, gpointer self) {
+  ((SLAList *)self)->renderText(column, cell, model, iter);
+}
+
+void SLAList::_renderBool(GtkTreeViewColumn *column, GtkCellRenderer *cell, GtkTreeModel *model, GtkTreeIter *iter, gpointer self) {
+  ((SLAList *)self)->renderBool(column, cell, model, iter);
+}
+
+void SLAList::_toggleBool(GtkCellRendererToggle *renderer, const gchar *path, void *self) {
+  ((SLAList *)self)->toggleBool(renderer, path);
+}
+
+void SLAList::_moveUp(GtkButton *button, void *self) {
+  ((SLAList *)self)->moveUp(button);
+}
 
-  gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(myWidget), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
-  gtk_container_add(GTK_CONTAINER(myWidget), GTK_WIDGET(myView));
+void SLAList::_moveDown(GtkButton *button, void *self) {
+  ((SLAList *)self)->moveDown(button);
 }
 
-void SLAList::addItem(GdkPixbuf *pixbuf, const char *name, bool active) {
+void SLAList::renderText(GtkTreeViewColumn *, GtkCellRenderer *cell, GtkTreeModel *model, GtkTreeIter *iter) {
+  int index;
+
+  gtk_tree_model_get(GTK_TREE_MODEL(myStore), iter, SLA_STORE_COLUMN_INDEX, &index, -1);
+
+  LauncherItem *item = myItems[index];
+
+  if (gtk_tree_selection_iter_is_selected(mySelection, iter)) {
+    gchar *text = g_markup_printf_escaped("%s\n<small>%s</small>", item->getName().c_str(), item->getComment().c_str());
+    g_object_set(cell, "markup", text, NULL);
+    g_free(text);
+  } else {
+    g_object_set(cell, "text", item->getName().c_str(), NULL);
+  }
+}
+
+void SLAList::renderBool(GtkTreeViewColumn *, GtkCellRenderer *cell, GtkTreeModel *model, GtkTreeIter *iter) {
+  int index;
+
+  gtk_tree_model_get(GTK_TREE_MODEL(myStore), iter, SLA_STORE_COLUMN_INDEX, &index, -1);
+
+  g_object_set(cell, "active", myItems[index]->isEnabled(), NULL);
+}
+
+void SLAList::toggleBool(GtkCellRendererToggle *renderer, const gchar *spath) {
   GtkTreeIter iter;
-  
-  gtk_list_store_append(myStore, &iter);
 
-  gtk_list_store_set(myStore, &iter, 0, pixbuf, 1, name, 2, active, -1);
+  if (gtk_tree_model_get_iter_from_string(GTK_TREE_MODEL(myStore), &iter, spath)) {
+    int index;
+
+    gtk_tree_model_get(GTK_TREE_MODEL(myStore), &iter, SLA_STORE_COLUMN_INDEX, &index, -1);
+    myItems[index]->toggle();
+  }
+}
+
+void SLAList::moveUp(GtkButton *) {
+  GtkTreeModel *dummy;
+  GtkTreeIter current;
+
+  if (gtk_tree_selection_get_selected(mySelection, &dummy, &current)) {
+    GtkTreePath *path = gtk_tree_model_get_path(GTK_TREE_MODEL(myStore), &current);
+
+    // FIXME: we kinda expexted path to be non-NULL here :)
+    if (gtk_tree_path_prev(path)) {
+      GtkTreeIter next;
+
+      if (gtk_tree_model_get_iter(GTK_TREE_MODEL(myStore), &next, path)) {
+        swap(current, next);
+      }
+    }
+
+    gtk_tree_path_free(path);
+  }
+}
+
+void SLAList::moveDown(GtkButton *) {
+  GtkTreeModel *dummy;
+  GtkTreeIter current;
+
+  if (gtk_tree_selection_get_selected(mySelection, &dummy, &current)) {
+    GtkTreePath *path = gtk_tree_model_get_path(GTK_TREE_MODEL(myStore), &current);
+    GtkTreeIter next;
+
+    // FIXME: we kinda expexted path to be non-NULL here :)
+    gtk_tree_path_next(path);
+
+    if (gtk_tree_model_get_iter(GTK_TREE_MODEL(myStore), &next, path)) {
+      swap(current, next);
+    }
+
+    gtk_tree_path_free(path);
+  }
+}
+
+void SLAList::swap(GtkTreeIter& a, GtkTreeIter& b) {
+  int i1, i2;
+
+  gtk_tree_model_get(GTK_TREE_MODEL(myStore), &a, SLA_STORE_COLUMN_INDEX, &i1, -1);
+  gtk_tree_model_get(GTK_TREE_MODEL(myStore), &b, SLA_STORE_COLUMN_INDEX, &i2, -1);
+
+  myItems.swap(i1, i2);
+
+  gtk_list_store_set(myStore, &a, SLA_STORE_COLUMN_INDEX, i2, -1);
+  gtk_list_store_set(myStore, &b, SLA_STORE_COLUMN_INDEX, i1, -1);
+
+  gtk_list_store_swap(myStore, &a, &b);
 }
 
 // vim:ts=2:sw=2:et