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Merge dirlist/dirview dnd code.
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Laurent Monin committed Apr 17, 2008
1 parent a264c79 commit 4394fa7
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Showing 5 changed files with 286 additions and 521 deletions.
273 changes: 273 additions & 0 deletions src/view_dir.c
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Expand Up @@ -12,10 +12,12 @@
#include "main.h"
#include "view_dir.h"

#include "dnd.h"
#include "dupe.h"
#include "filelist.h"
#include "layout_image.h"
#include "layout_util.h"
#include "ui_bookmark.h"
#include "ui_fileops.h"
#include "ui_tree_edit.h"
#include "ui_menu.h"
Expand Down Expand Up @@ -576,3 +578,274 @@ GtkWidget *vd_pop_menu(ViewDir *vd, FileData *fd)
return menu;
}

/*
*-----------------------------------------------------------------------------
* dnd
*-----------------------------------------------------------------------------
*/

static GtkTargetEntry vd_dnd_drop_types[] = {
{ "text/uri-list", 0, TARGET_URI_LIST }
};
static gint vd_dnd_drop_types_count = 1;

static void vd_dest_set(ViewDir *vd, gint enable)
{
if (enable)
{
gtk_drag_dest_set(vd->view,
GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
vd_dnd_drop_types, vd_dnd_drop_types_count,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
}
else
{
gtk_drag_dest_unset(vd->view);
}
}

static void vd_dnd_get(GtkWidget *widget, GdkDragContext *context,
GtkSelectionData *selection_data, guint info,
guint time, gpointer data)
{
ViewDir *vd = data;
GList *list;
gchar *uritext = NULL;
gint length = 0;

if (!vd->click_fd) return;

switch (info)
{
case TARGET_URI_LIST:
case TARGET_TEXT_PLAIN:
list = g_list_prepend(NULL, vd->click_fd);
uritext = uri_text_from_filelist(list, &length, (info == TARGET_TEXT_PLAIN));
g_list_free(list);
break;
}
if (uritext)
{
gtk_selection_data_set (selection_data, selection_data->target,
8, (guchar *)uritext, length);
g_free(uritext);
}
}

static void vd_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
{
ViewDir *vd = data;

vd_color_set(vd, vd->click_fd, TRUE);
vd_dest_set(vd, FALSE);
}

static void vd_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
{
ViewDir *vd = data;

vd_color_set(vd, vd->click_fd, FALSE);

if (vd->type == DIRVIEW_LIST && context->action == GDK_ACTION_MOVE)
{
vd_refresh(vd);
}
vd_dest_set(vd, TRUE);
}

static void vd_dnd_drop_receive(GtkWidget *widget,
GdkDragContext *context, gint x, gint y,
GtkSelectionData *selection_data, guint info,
guint time, gpointer data)
{
ViewDir *vd = data;
GtkTreePath *tpath;
GtkTreeIter iter;
FileData *fd = NULL;

vd->click_fd = NULL;

if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), x, y,
&tpath, NULL, NULL, NULL))
{
GtkTreeModel *store;

store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
gtk_tree_model_get_iter(store, &iter, tpath);
switch (vd->type)
{
case DIRVIEW_LIST:
gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &fd, -1);
break;
case DIRVIEW_TREE:
{
NodeData *nd;
gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
fd = (nd) ? nd->fd : NULL;
};
break;
}
gtk_tree_path_free(tpath);
}

if (!fd) return;

if (info == TARGET_URI_LIST)
{
GList *list;
gint active;

list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
if (!list) return;

active = access_file(fd->path, W_OK | X_OK);

vd_color_set(vd, fd, TRUE);
vd->popup = vd_drop_menu(vd, active);
gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL, 0, time);

vd->drop_fd = fd;
vd->drop_list = list;
}
}

static void vd_drop_update(ViewDir *vd, gint x, gint y)
{
GtkTreePath *tpath;
GtkTreeIter iter;
FileData *fd = NULL;

if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vd->view), x, y,
&tpath, NULL, NULL, NULL))
{
GtkTreeModel *store;

store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
gtk_tree_model_get_iter(store, &iter, tpath);
switch (vd->type)
{
case DIRVIEW_LIST:
gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &fd, -1);
break;
case DIRVIEW_TREE:
{
NodeData *nd;
gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
fd = (nd) ? nd->fd : NULL;
};
break;
}
gtk_tree_path_free(tpath);
}

if (fd != vd->drop_fd)
{
vd_color_set(vd, vd->drop_fd, FALSE);
vd_color_set(vd, fd, TRUE);
if (vd->type == DIRVIEW_TREE && fd) vdtree_dnd_drop_expand(vd);
}

vd->drop_fd = fd;
}

void vd_dnd_drop_scroll_cancel(ViewDir *vd)
{
if (vd->drop_scroll_id != -1) g_source_remove(vd->drop_scroll_id);
vd->drop_scroll_id = -1;
}

static gint vd_auto_scroll_idle_cb(gpointer data)
{
ViewDir *vd = data;

if (vd->drop_fd)
{
GdkWindow *window;
gint x, y;
gint w, h;

window = vd->view->window;
gdk_window_get_pointer(window, &x, &y, NULL);
gdk_drawable_get_size(window, &w, &h);
if (x >= 0 && x < w && y >= 0 && y < h)
{
vd_drop_update(vd, x, y);
}
}

vd->drop_scroll_id = -1;
return FALSE;
}

static gint vd_auto_scroll_notify_cb(GtkWidget *widget, gint x, gint y, gpointer data)
{
ViewDir *vd = data;

if (!vd->drop_fd || vd->drop_list) return FALSE;

if (vd->drop_scroll_id == -1) vd->drop_scroll_id = g_idle_add(vd_auto_scroll_idle_cb, vd);

return TRUE;
}

static gint vd_dnd_drop_motion(GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint time, gpointer data)
{
ViewDir *vd = data;

vd->click_fd = NULL;

if (gtk_drag_get_source_widget(context) == vd->view)
{
/* from same window */
gdk_drag_status(context, 0, time);
return TRUE;
}
else
{
gdk_drag_status(context, context->suggested_action, time);
}

vd_drop_update(vd, x, y);

if (vd->drop_fd)
{
GtkAdjustment *adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vd->view));
widget_auto_scroll_start(vd->view, adj, -1, -1, vd_auto_scroll_notify_cb, vd);
}

return FALSE;
}

static void vd_dnd_drop_leave(GtkWidget *widget, GdkDragContext *context, guint time, gpointer data)
{
ViewDir *vd = data;

if (vd->drop_fd != vd->click_fd) vd_color_set(vd, vd->drop_fd, FALSE);

vd->drop_fd = NULL;

if (vd->type == DIRVIEW_TREE) vdtree_dnd_drop_expand_cancel(vd);
}

void vd_dnd_init(ViewDir *vd)
{
gtk_drag_source_set(vd->view, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
dnd_file_drag_types, dnd_file_drag_types_count,
GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
g_signal_connect(G_OBJECT(vd->view), "drag_data_get",
G_CALLBACK(vd_dnd_get), vd);
g_signal_connect(G_OBJECT(vd->view), "drag_begin",
G_CALLBACK(vd_dnd_begin), vd);
g_signal_connect(G_OBJECT(vd->view), "drag_end",
G_CALLBACK(vd_dnd_end), vd);

vd_dest_set(vd, TRUE);
g_signal_connect(G_OBJECT(vd->view), "drag_data_received",
G_CALLBACK(vd_dnd_drop_receive), vd);
g_signal_connect(G_OBJECT(vd->view), "drag_motion",
G_CALLBACK(vd_dnd_drop_motion), vd);
g_signal_connect(G_OBJECT(vd->view), "drag_leave",
G_CALLBACK(vd_dnd_drop_leave), vd);
}

2 changes: 2 additions & 0 deletions src/view_dir.h
View file
Expand Up @@ -42,6 +42,8 @@ void vd_popup_destroy_cb(GtkWidget *widget, gpointer data);
GtkWidget *vd_drop_menu(ViewDir *vd, gint active);
GtkWidget *vd_pop_menu(ViewDir *vd, FileData *fd);

void vd_dnd_drop_scroll_cancel(ViewDir *vd);
void vd_dnd_init(ViewDir *vd);

#endif

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