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fixed auto-scrolling for left and bottom display edges. Remove the timeout 

2005-01-02  Sven Neumann  <sven@gimp.org>

	* app/display/gimpdisplayshell-callbacks.c: fixed auto-scrolling
	for left and bottom display edges. Remove the timeout on
	button-release event, some minor cleanups.
This commit is contained in:
Sven Neumann 2005-01-02 01:27:16 +00:00 committed by Sven Neumann
parent ffcdc61e7d
commit 3e1be87099
2 changed files with 64 additions and 68 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2005-01-02 Sven Neumann <sven@gimp.org>
* app/display/gimpdisplayshell-callbacks.c: fixed auto-scrolling
for left and bottom display edges. Remove the timeout on
button-release event, some minor cleanups.
2005-01-01 Bill Skaggs <weskaggs@primate.ucdavis.edu>
* plug-ins/jpeg/jpeg_load.c

126
app/display/gimpdisplayshell-callbacks.c
View File

@ -74,13 +74,12 @@
typedef struct
{
GimpDisplayShell *shell;
GdkEventMotion *mevent;
GdkDevice *device;
guint32 time;
GdkModifierType state;
gint keep_scrolling;
gint timeout_id;
GimpDisplayShell *shell;
GdkEventMotion *mevent;
GdkDevice *device;
guint32 time;
GdkModifierType state;
guint timeout_id;
} ScrollInfo;
@ -466,88 +465,79 @@ gimp_display_shell_check_device_cursor (GimpDisplayShell *shell)
shell->draw_cursor = ! current_device->has_cursor;
}
#define AUTOSCROLL_DT 20
#define AUTOSCROLL_DX 5
static gboolean
autoscroll_timeout (gpointer data)
{
GimpCoords device_coords, image_coords;
GimpDisplay *gdisp;
ScrollInfo *info = (ScrollInfo *)data;
gint off_x = 0;
gint off_y = 0;
if (!info->keep_scrolling)
{
info->timeout_id = 0;
return (FALSE);
}
ScrollInfo *info = data;
GimpDisplay *gdisp = info->shell->gdisp;
GimpCoords device_coords;
GimpCoords image_coords;
gint off_x = 0;
gint off_y = 0;
info->time += AUTOSCROLL_DT;
gdisp = info->shell->gdisp;
gimp_display_shell_get_device_coords (info->shell,
info->device,
&device_coords);
info->device, &device_coords);
if (device_coords.x < 0)
off_x = -AUTOSCROLL_DX * device_coords.x / 50.0;
off_x = AUTOSCROLL_DX * device_coords.x / 50.0;
else if (device_coords.x > info->shell->disp_width)
off_x = AUTOSCROLL_DX * (device_coords.x - info->shell->disp_width) / 50.0;
if (device_coords.y < 0)
off_y = -AUTOSCROLL_DX * device_coords.y / 50.0;
off_y = AUTOSCROLL_DX * device_coords.y / 50.0;
else if (device_coords.y > info->shell->disp_height)
off_y = AUTOSCROLL_DX * (device_coords.y - info->shell->disp_height) / 50.0;
if( off_x == 0 && off_y == 0 )
if (off_x == 0 && off_y == 0)
{
info->timeout_id = 0;
return (FALSE);
return FALSE;
}
else
{
gimp_display_shell_scroll (info->shell, off_x, off_y);
gimp_display_shell_untransform_coords (info->shell,
&device_coords,
&image_coords);
gimp_display_shell_scroll (info->shell, off_x, off_y);
tool_manager_motion_active (gdisp->gimage->gimp,
&image_coords,
info->time, info->state,
gdisp);
gimp_display_shell_untransform_coords (info->shell,
&device_coords, &image_coords);
return (TRUE);
}
tool_manager_motion_active (gdisp->gimage->gimp,
&image_coords,
info->time, info->state,
gdisp);
return TRUE;
}
static void
begin_autoscrolling (ScrollInfo *info,
GimpDisplayShell *shell,
GdkModifierType state,
GdkEventMotion *mevent)
{
if(info->timeout_id == 0)
{
info->shell = shell;
info->mevent = mevent;
info->device = mevent->device;
info->time = gdk_event_get_time ((GdkEvent*) mevent);
info->state = state;
info->timeout_id = g_timeout_add (AUTOSCROLL_DT,
autoscroll_timeout, (gpointer) info);
info->keep_scrolling = TRUE;
}
if (info->timeout_id)
return;
info->shell = shell;
info->mevent = mevent;
info->device = mevent->device;
info->time = gdk_event_get_time ((GdkEvent*) mevent);
info->state = state;
info->timeout_id = g_timeout_add (AUTOSCROLL_DT, autoscroll_timeout, info);
}
static void
end_autoscrolling (ScrollInfo *info)
{
info->keep_scrolling = FALSE;
info->timeout_id = 0;
if (info->timeout_id)
{
g_source_remove (info->timeout_id);
info->timeout_id = 0;
}
}
@ -556,19 +546,18 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
GdkEvent *event,
GimpDisplayShell *shell)
{
GimpDisplay *gdisp;
GimpImage *gimage;
Gimp *gimp;
GdkDisplay *gdk_display;
GimpTool *active_tool;
GimpCoords display_coords;
GimpCoords image_coords;
GdkModifierType state;
guint32 time;
gboolean return_val = FALSE;
gboolean update_cursor = FALSE;
static ScrollInfo scroll_info = {NULL, NULL, 0, 0};
GimpDisplay *gdisp;
GimpImage *gimage;
Gimp *gimp;
GdkDisplay *gdk_display;
GimpTool *active_tool;
GimpCoords display_coords;
GimpCoords image_coords;
GdkModifierType state;
guint32 time;
gboolean return_val = FALSE;
gboolean update_cursor = FALSE;
static ScrollInfo scroll_info = { NULL, NULL, NULL, 0, 0,0 };
static GimpToolInfo *space_shaded_tool = NULL;
if (! canvas->window)
@ -1816,7 +1805,6 @@ gimp_display_shell_key_to_state (gint key)
GdkEvent *
gimp_display_shell_compress_motion (GimpDisplayShell *shell)
{
GdkEvent *event;
GList *requeued_events = NULL;
GList *list;
GdkEvent *last_motion = NULL;
@ -1826,7 +1814,7 @@ gimp_display_shell_compress_motion (GimpDisplayShell *shell)
*/
while (gdk_events_pending ())
{
event = gdk_event_get ();
GdkEvent *event = gdk_event_get ();
if (!event)
{
@ -1853,8 +1841,10 @@ gimp_display_shell_compress_motion (GimpDisplayShell *shell)
for (list = requeued_events; list; list = g_list_next (list))
{
gdk_event_put ((GdkEvent *) list->data);
gdk_event_free ((GdkEvent *) list->data);
GdkEvent *event = list->data;
gdk_event_put (event);
gdk_event_free (event);
}
g_list_free (requeued_events);