Implemented support for links

[claws.git] / src / plugins / litehtml_viewer / lh_widget.cpp

diff --git a/src/plugins/litehtml_viewer/lh_widget.cpp b/src/plugins/litehtml_viewer/lh_widget.cpp
index ba423a09ad2cf4863cd764e5519c8d0c1deeed79..f92cd3d2d2f10502c3d1b82c2fc45bb748e8ee35 100644 (file)
--- a/src/plugins/litehtml_viewer/lh_widget.cpp
+++ b/src/plugins/litehtml_viewer/lh_widget.cpp
@@ -28,6 +28,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <curl/curl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <curl/curl.h>

+#include <gdk/gdk.h>

 #include "lh_widget.h"
 #include "lh_widget_wrapped.h"
 #include "http.h"
 #include "lh_widget.h"
 #include "lh_widget_wrapped.h"
 #include "http.h"


@@ -40,6 +41,12 @@ static gboolean expose_event_cb(GtkWidget *widget, GdkEvent *event,
                gpointer user_data);
 static void size_allocate_cb(GtkWidget *widget, GdkRectangle *allocation,
                gpointer user_data);
                gpointer user_data);
 static void size_allocate_cb(GtkWidget *widget, GdkRectangle *allocation,
                gpointer user_data);

+static gboolean button_press_event(GtkWidget *widget, GdkEventButton *event,
+               gpointer user_data);
+static gboolean motion_notify_event(GtkWidget *widget, GdkEventButton *event,
+        gpointer user_data);
+static gboolean button_release_event(GtkWidget *widget, GdkEventButton *event,
+        gpointer user_data);

 
 lh_widget::lh_widget()
 {
 
 lh_widget::lh_widget()
 {


@@ -62,12 +69,24 @@ lh_widget::lh_widget()
        gtk_container_add(GTK_CONTAINER(m_viewport), m_drawing_area);
        g_signal_connect(m_drawing_area, "expose-event",
                        G_CALLBACK(expose_event_cb), this);
        gtk_container_add(GTK_CONTAINER(m_viewport), m_drawing_area);
        g_signal_connect(m_drawing_area, "expose-event",
                        G_CALLBACK(expose_event_cb), this);

+       g_signal_connect(m_drawing_area, "motion_notify_event",
+                       G_CALLBACK(motion_notify_event), this);
+       g_signal_connect(m_drawing_area, "button_press_event",
+                       G_CALLBACK(button_press_event), this);
+       g_signal_connect(m_drawing_area, "button_release_event",
+                       G_CALLBACK(button_release_event), this);

 
        gtk_widget_show_all(m_scrolled_window);
 
        m_html = NULL;
        m_rendered_width = 0;
        m_context.load_master_stylesheet(master_css);
 
        gtk_widget_show_all(m_scrolled_window);
 
        m_html = NULL;
        m_rendered_width = 0;
        m_context.load_master_stylesheet(master_css);

+
+       gtk_widget_set_events(m_drawing_area,
+                               GDK_BUTTON_RELEASE_MASK
+                             | GDK_BUTTON_PRESS_MASK
+                             | GDK_POINTER_MOTION_MASK);
+

 }
 
 lh_widget::~lh_widget()
 }
 
 lh_widget::~lh_widget()


@@ -98,7 +117,9 @@ void lh_widget::set_base_url(const litehtml::tchar_t* base_url)
 
 void lh_widget::on_anchor_click(const litehtml::tchar_t* url, const litehtml::element::ptr& el)
 {
 
 void lh_widget::on_anchor_click(const litehtml::tchar_t* url, const litehtml::element::ptr& el)
 {

-       g_log(NULL, G_LOG_LEVEL_MESSAGE, "lh_widget on_anchor_click");
+       g_log(NULL, G_LOG_LEVEL_MESSAGE, "lh_widget on_anchor_click. url -> %s", url);
+       m_clicked_url = url;
+       

        return;
 }
 
        return;
 }
 


@@ -144,8 +165,11 @@ GdkPixbuf *lh_widget::get_image(const litehtml::tchar_t* url, bool redraw_on_rea
        pixbuf = gdk_pixbuf_new_from_stream(image, NULL, &error);
        if (error) {
            g_log(NULL, G_LOG_LEVEL_ERROR, "lh_widget::get_image: Could not create pixbuf %s", error->message);
        pixbuf = gdk_pixbuf_new_from_stream(image, NULL, &error);
        if (error) {
            g_log(NULL, G_LOG_LEVEL_ERROR, "lh_widget::get_image: Could not create pixbuf %s", error->message);

+           //g_object_unref(pixbuf);

            pixbuf = NULL;
            pixbuf = NULL;

+           g_clear_error(&error);

        }
        }

+       g_input_stream_close(image, NULL, NULL);

 
 /*     if (redraw_on_ready) {
                redraw();
 
 /*     if (redraw_on_ready) {
                redraw();


@@ -262,7 +286,6 @@ void lh_widget::clear()
        m_rendered_width = 0;
 }
 
        m_rendered_width = 0;
 }
 

-

 static gboolean expose_event_cb(GtkWidget *widget, GdkEvent *event,
                gpointer user_data)
 {
 static gboolean expose_event_cb(GtkWidget *widget, GdkEvent *event,
                gpointer user_data)
 {


@@ -283,6 +306,84 @@ static void size_allocate_cb(GtkWidget *widget, GdkRectangle *allocation,
        w->redraw();
 }
 
        w->redraw();
 }
 

+static gboolean button_press_event(GtkWidget *widget, GdkEventButton *event,
+               gpointer user_data)
+{
+    litehtml::position::vector redraw_boxes;
+    lh_widget *w = (lh_widget *)user_data;
+    
+    g_log(NULL, G_LOG_LEVEL_MESSAGE, "lh_widget on_button_press_event");
+
+    if(w->m_html)
+    {    
+        if(w->m_html->on_lbutton_down((int) event->x, (int) event->y, (int) event->x, (int) event->y, redraw_boxes))
+        {
+            for(auto& pos : redraw_boxes)
+            {
+                gtk_widget_queue_draw_area(widget, pos.x, pos.y, pos.width, pos.height);
+            }
+        }
+       }
+       
+       return true;
+}
+
+static gboolean motion_notify_event(GtkWidget *widget, GdkEventButton *event,
+        gpointer user_data)
+{
+    litehtml::position::vector redraw_boxes;
+    lh_widget *w = (lh_widget *)user_data;
+    
+    g_log(NULL, G_LOG_LEVEL_MESSAGE, "lh_widget on_motion_notify_event");
+
+    if(w->m_html)
+    {    
+        if(w->m_html->on_mouse_over((int) event->x, (int) event->y, (int) event->x, (int) event->y, redraw_boxes))
+        {
+            for (auto& pos : redraw_boxes)
+            {
+                gtk_widget_queue_draw_area(widget, pos.x, pos.y, pos.width, pos.height);
+            }
+        }
+       }
+       
+       return true;
+}
+
+static gboolean button_release_event(GtkWidget *widget, GdkEventButton *event,
+        gpointer user_data)
+{
+    litehtml::position::vector redraw_boxes;
+    lh_widget *w = (lh_widget *)user_data;
+    GError* error = NULL;
+
+       g_log(NULL, G_LOG_LEVEL_MESSAGE, "lh_widget on_button_release_event");
+       
+       if(w->m_html)
+       {
+           w->m_clicked_url.clear();
+        if(w->m_html->on_lbutton_up((int) event->x, (int) event->y, (int) event->x, (int) event->y, redraw_boxes))
+        {
+            for (auto& pos : redraw_boxes)
+            {
+                gtk_widget_queue_draw_area(widget, pos.x, pos.y, pos.width, pos.height);
+            }
+        }
+        
+        if (!w->m_clicked_url.empty())
+        {
+                g_log(NULL, G_LOG_LEVEL_MESSAGE, "Open in browser: %s", w->m_clicked_url.c_str());
+                gtk_show_uri(NULL, w->m_clicked_url.c_str(), GDK_CURRENT_TIME, &error);
+                if (error) {
+                    g_log(NULL, G_LOG_LEVEL_ERROR, "Failed opening url(%s): %s", w->m_clicked_url, error->message);
+                    g_clear_error(&error);
+                }
+        }
+    }
+
+       return true;
+}
+

 ///////////////////////////////////////////////////////////
 extern "C" {
 
 ///////////////////////////////////////////////////////////
 extern "C" {