[Xfce4-commits] [panel-plugins/xfce4-whiskermenu-plugin] 06/09: Load applications in a thread. (bug #12903)
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in repository panel-plugins/xfce4-whiskermenu-plugin.
commit 5c285dc7de12df8ae9ea7e13ac3f339952506161
Author: Graeme Gott <graeme at gottcode.org>
Date: Mon Oct 16 18:55:08 2017 -0400
Load applications in a thread. (bug #12903)
---
panel-plugin/applications-page.cpp | 50 ++++++++++++++++++++++++++++++++------
panel-plugin/applications-page.h | 17 +++++++++++--
panel-plugin/window.cpp | 37 ++++++++++++++++++++++++----
panel-plugin/window.h | 4 +++
4 files changed, 94 insertions(+), 14 deletions(-)
diff --git a/panel-plugin/applications-page.cpp b/panel-plugin/applications-page.cpp
index 376fcb9..631e2d7 100644
--- a/panel-plugin/applications-page.cpp
+++ b/panel-plugin/applications-page.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2013, 2015, 2016 Graeme Gott <graeme at gottcode.org>
+ * Copyright (C) 2013, 2015, 2016, 2017 Graeme Gott <graeme at gottcode.org>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -49,6 +49,7 @@ ApplicationsPage::ApplicationsPage(Window* window) :
Page(window),
m_garcon_menu(NULL),
m_garcon_settings_menu(NULL),
+ m_load_thread(NULL),
m_load_status(STATUS_INVALID)
{
// Set desktop environment for applications
@@ -161,20 +162,36 @@ void ApplicationsPage::invalidate_applications()
//-----------------------------------------------------------------------------
-void ApplicationsPage::load_applications()
+bool ApplicationsPage::load_applications()
{
// Check if already loaded
if (m_load_status == STATUS_LOADED)
{
- return;
+ return true;
+ }
+ // Check if currently loading
+ else if (m_load_status == STATUS_LOADING)
+ {
+ return false;
+ }
+ // Check if loading garcon
+ else if (m_load_thread)
+ {
+ return false;
}
m_load_status = STATUS_LOADING;
// Load menu
clear_applications();
- load_contents();
- return;
+ // Load contents in thread if possible
+ m_load_thread = g_thread_try_new(NULL, &ApplicationsPage::load_garcon_menu_slot, this, NULL);
+ if (!m_load_thread)
+ {
+ load_garcon_menu();
+ }
+
+ return false;
}
//-----------------------------------------------------------------------------
@@ -225,7 +242,7 @@ void ApplicationsPage::clear_applications()
//-----------------------------------------------------------------------------
-void ApplicationsPage::load_contents()
+void ApplicationsPage::load_garcon_menu()
{
// Create menu
if (wm_settings->custom_menu_file.empty())
@@ -288,9 +305,26 @@ void ApplicationsPage::load_contents()
category->sort();
m_categories.insert(m_categories.begin(), category);
+ g_idle_add(&ApplicationsPage::load_contents_slot, this);
+}
+
+//-----------------------------------------------------------------------------
+
+void ApplicationsPage::load_contents()
+{
+ if (!m_garcon_menu)
+ {
+ get_window()->set_loaded();
+
+ m_load_status = STATUS_INVALID;
+ m_load_thread = NULL;
+
+ return;
+ }
+
// Set all applications category
get_view()->set_fixed_height_mode(true);
- get_view()->set_model(category->get_model());
+ get_view()->set_model(m_categories.front()->get_model());
// Add buttons for categories
std::vector<SectionButton*> category_buttons;
@@ -306,8 +340,10 @@ void ApplicationsPage::load_contents()
// Update menu items of other panels
get_window()->set_items();
+ get_window()->set_loaded();
m_load_status = STATUS_LOADED;
+ m_load_thread = NULL;
}
//-----------------------------------------------------------------------------
diff --git a/panel-plugin/applications-page.h b/panel-plugin/applications-page.h
index 295d4d3..65abeea 100644
--- a/panel-plugin/applications-page.h
+++ b/panel-plugin/applications-page.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2013, 2015 Graeme Gott <graeme at gottcode.org>
+ * Copyright (C) 2013, 2015, 2017 Graeme Gott <graeme at gottcode.org>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -43,7 +43,7 @@ public:
Launcher* get_application(const std::string& desktop_id) const;
void invalidate_applications();
- void load_applications();
+ bool load_applications();
void reload_category_icon_size();
private:
@@ -54,11 +54,24 @@ private:
void load_menu(GarconMenu* menu, Category* parent_category);
void load_menu_item(GarconMenuItem* menu_item, Category* category);
+ static gpointer load_garcon_menu_slot(gpointer obj)
+ {
+ reinterpret_cast<ApplicationsPage*>(obj)->load_garcon_menu();
+ return NULL;
+ }
+
+ static gboolean load_contents_slot(gpointer obj)
+ {
+ reinterpret_cast<ApplicationsPage*>(obj)->load_contents();
+ return G_SOURCE_REMOVE;
+ }
+
private:
GarconMenu* m_garcon_menu;
GarconMenu* m_garcon_settings_menu;
std::vector<Category*> m_categories;
std::map<std::string, Launcher*> m_items;
+ GThread* m_load_thread;
int m_load_status;
};
diff --git a/panel-plugin/window.cpp b/panel-plugin/window.cpp
index 7e84460..e6d82d3 100644
--- a/panel-plugin/window.cpp
+++ b/panel-plugin/window.cpp
@@ -125,6 +125,16 @@ WhiskerMenu::Window::Window() :
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_OUT);
gtk_container_add(GTK_CONTAINER(m_window), frame);
+ // Create window contents stack
+ m_window_stack = GTK_STACK(gtk_stack_new());
+ gtk_container_add(GTK_CONTAINER(frame), GTK_WIDGET(m_window_stack));
+
+ // Create loading message
+ m_window_load_spinner = GTK_SPINNER(gtk_spinner_new());
+ gtk_widget_set_halign(GTK_WIDGET(m_window_load_spinner), GTK_ALIGN_CENTER);
+ gtk_widget_set_valign(GTK_WIDGET(m_window_load_spinner), GTK_ALIGN_CENTER);
+ gtk_stack_add_named(m_window_stack, GTK_WIDGET(m_window_load_spinner), "load");
+
// Create the profile picture
m_profilepic = new ProfilePicture(this);
@@ -191,8 +201,8 @@ WhiskerMenu::Window::Window() :
// Create box for packing children
m_vbox = GTK_BOX(gtk_box_new(GTK_ORIENTATION_VERTICAL, 6));
- gtk_container_add(GTK_CONTAINER(frame), GTK_WIDGET(m_vbox));
gtk_container_set_border_width(GTK_CONTAINER(m_vbox), 2);
+ gtk_stack_add_named(m_window_stack, GTK_WIDGET(m_vbox), "contents");
// Create box for packing commands
m_commands_box = GTK_BOX(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0));
@@ -339,10 +349,15 @@ void WhiskerMenu::Window::show(GtkWidget* parent, bool horizontal)
m_recent->enforce_item_count();
// Make sure applications list is current; does nothing unless list has changed
- m_applications->load_applications();
-
- // Focus search entry
- gtk_widget_grab_focus(GTK_WIDGET(m_search_entry));
+ if (m_applications->load_applications())
+ {
+ set_loaded();
+ }
+ else
+ {
+ gtk_stack_set_visible_child_name(m_window_stack, "load");
+ gtk_spinner_start(m_window_load_spinner);
+ }
// Update default page
if (wm_settings->display_recent && (m_default_page == m_favorites))
@@ -690,6 +705,18 @@ void WhiskerMenu::Window::set_items()
//-----------------------------------------------------------------------------
+void WhiskerMenu::Window::set_loaded()
+{
+ // Hide loading spinner
+ gtk_spinner_stop(m_window_load_spinner);
+ gtk_stack_set_visible_child_full(m_window_stack, "contents", GTK_STACK_TRANSITION_TYPE_CROSSFADE);
+
+ // Focus search entry
+ gtk_widget_grab_focus(GTK_WIDGET(m_search_entry));
+}
+
+//-----------------------------------------------------------------------------
+
void WhiskerMenu::Window::unset_items()
{
m_search_results->unset_menu_items();
diff --git a/panel-plugin/window.h b/panel-plugin/window.h
index 8789ec0..b3c1a91 100644
--- a/panel-plugin/window.h
+++ b/panel-plugin/window.h
@@ -71,6 +71,7 @@ public:
void on_context_menu_destroyed();
void set_categories(const std::vector<SectionButton*>& categories);
void set_items();
+ void set_loaded();
void unset_items();
private:
@@ -94,6 +95,9 @@ private:
private:
GtkWindow* m_window;
+ GtkStack* m_window_stack;
+ GtkSpinner* m_window_load_spinner;
+
GtkBox* m_vbox;
GtkBox* m_title_box;
GtkBox* m_commands_box;
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