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Support drag and drop from piece list on Linux.

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This commit is contained in:
leo
2013-02-11 19:28:53 +00:00
parent 27f3b909fb
commit 1f68d362db
5 changed files with 98 additions and 0 deletions
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linux/glwindow.cpp
+55
View File
@@ -2,9 +2,12 @@
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include "lc_global.h"
#include "lc_application.h"
#include "opengl.h"
#include "glwindow.h"
#include "defines.h"
#include "main.h"
#include "project.h"
#include "system.h"
struct GLWindowPrivate
@@ -19,6 +22,7 @@ static XVisualInfo* WindowXVisualInfo = NULL;
static bool WindowMultisample = false;
static GLXContext WindowContext;
static int WindowContextCount;
static bool dragging;
// =============================================================================
// static functions
@@ -119,6 +123,52 @@ static gint pointer_motion_event(GtkWidget *widget, GdkEventMotion *event, gpoin
return TRUE;
}
static gboolean drag_drop(GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, gpointer data)
{
if (!dragged_piece)
{
return FALSE;
}
GLWindow *wnd = (GLWindow*)data;
y = widget->allocation.height - y - 1;
lcGetActiveProject()->BeginPieceDrop(dragged_piece);
wnd->OnLeftButtonUp(x, y, FALSE, FALSE);
gtk_drag_finish(context, TRUE, FALSE, time);
return TRUE;
}
static void drag_leave(GtkWidget *widget, GdkDragContext *context, guint time, gpointer data)
{
if (dragging)
{
dragging = false;
lcGetActiveProject()->HandleNotify(LC_CAPTURE_LOST, 0);
}
}
static gboolean drag_motion(GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, gpointer data)
{
if (!dragged_piece)
{
return FALSE;
}
GLWindow *wnd = (GLWindow*)data;
y = widget->allocation.height - y - 1;
if (!dragging)
{
dragging = true;
lcGetActiveProject()->BeginPieceDrop(dragged_piece);
}
wnd->OnMouseMove(x, y, FALSE, FALSE);
gdk_drag_status(context, GDK_ACTION_COPY, time);
return TRUE;
}
static gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
{
GLWindow *wnd = (GLWindow*)data;
@@ -258,6 +308,8 @@ bool GLWindow::CreateFromWindow(void *data)
gtk_widget_set_events(GTK_WIDGET(prv->widget), GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
gtk_drag_dest_set(prv->widget, GTK_DEST_DEFAULT_MOTION, drag_target_list, 1, GDK_ACTION_COPY);
// Connect signal handlers
gtk_signal_connect(GTK_OBJECT(prv->widget), "expose_event", GTK_SIGNAL_FUNC(expose_event), this);
// gtk_signal_connect(GTK_OBJECT(prv->widget), "destroy", GTK_SIGNAL_FUNC(destroy_event), this);
@@ -265,6 +317,9 @@ bool GLWindow::CreateFromWindow(void *data)
gtk_signal_connect(GTK_OBJECT(prv->widget), "motion_notify_event", GTK_SIGNAL_FUNC(pointer_motion_event), this);
gtk_signal_connect(GTK_OBJECT(prv->widget), "button_press_event", GTK_SIGNAL_FUNC(button_press_event), this);
gtk_signal_connect(GTK_OBJECT(prv->widget), "button_release_event", GTK_SIGNAL_FUNC(button_release_event), this);
gtk_signal_connect(GTK_OBJECT(prv->widget), "drag_drop", GTK_SIGNAL_FUNC(drag_drop), this);
gtk_signal_connect(GTK_OBJECT(prv->widget), "drag_leave", GTK_SIGNAL_FUNC(drag_leave), this);
gtk_signal_connect(GTK_OBJECT(prv->widget), "drag_motion", GTK_SIGNAL_FUNC(drag_motion), this);
gtk_signal_connect(GTK_OBJECT(prv->widget), "scroll_event", GTK_SIGNAL_FUNC(scroll_event), this);
gtk_signal_connect(GTK_OBJECT(prv->widget), "realize", GTK_SIGNAL_FUNC(realize_event), this);