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f9c2652e0d
mutter/src/frames.c
rhp f9c2652e0d ...
2001-06-23 06:54:28 +00:00

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/* Metacity window frame manager widget */
/*
* Copyright (C) 2001 Havoc Pennington
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "frames.h"
#include "util.h"
#include "core.h"
#include "menu.h"
#define DEFAULT_INNER_BUTTON_BORDER 3
struct _MetaFrameProperties
{
/* Size of left/right/bottom sides */
int left_width;
int right_width;
int bottom_height;
/* Border of blue title region */
GtkBorder title_border;
/* Border inside title region, around title */
GtkBorder text_border;
/* padding on either side of spacer */
int spacer_padding;
/* Size of spacer */
int spacer_width;
int spacer_height;
/* indent of buttons from edges of frame */
int right_inset;
int left_inset;
/* Size of buttons */
int button_width;
int button_height;
/* Space around buttons */
GtkBorder button_border;
/* Space inside button which is clickable but doesn't draw the
* button icon
*/
GtkBorder inner_button_border;
};
typedef struct _MetaFrameGeometry MetaFrameGeometry;
struct _MetaFrameGeometry
{
int left_width;
int right_width;
int top_height;
int bottom_height;
int width;
int height;
GdkRectangle close_rect;
GdkRectangle max_rect;
GdkRectangle min_rect;
GdkRectangle spacer_rect;
GdkRectangle menu_rect;
GdkRectangle title_rect;
};
static void meta_frames_class_init (MetaFramesClass *klass);
static void meta_frames_init (MetaFrames *frames);
static void meta_frames_destroy (GtkObject *object);
static void meta_frames_finalize (GObject *object);
static void meta_frames_style_set (GtkWidget *widget,
GtkStyle *prev_style);
gboolean meta_frames_button_press_event (GtkWidget *widget,
GdkEventButton *event);
gboolean meta_frames_button_release_event (GtkWidget *widget,
GdkEventButton *event);
gboolean meta_frames_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event);
gboolean meta_frames_destroy_event (GtkWidget *widget,
GdkEventAny *event);
gboolean meta_frames_expose_event (GtkWidget *widget,
GdkEventExpose *event);
gboolean meta_frames_key_press_event (GtkWidget *widget,
GdkEventKey *event);
gboolean meta_frames_key_release_event (GtkWidget *widget,
GdkEventKey *event);
gboolean meta_frames_enter_notify_event (GtkWidget *widget,
GdkEventCrossing *event);
gboolean meta_frames_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event);
gboolean meta_frames_configure_event (GtkWidget *widget,
GdkEventConfigure *event);
gboolean meta_frames_focus_in_event (GtkWidget *widget,
GdkEventFocus *event);
gboolean meta_frames_focus_out_event (GtkWidget *widget,
GdkEventFocus *event);
gboolean meta_frames_map_event (GtkWidget *widget,
GdkEventAny *event);
gboolean meta_frames_unmap_event (GtkWidget *widget,
GdkEventAny *event);
gboolean meta_frames_property_notify_event (GtkWidget *widget,
GdkEventProperty *event);
gboolean meta_frames_client_event (GtkWidget *widget,
GdkEventClient *event);
gboolean meta_frames_window_state_event (GtkWidget *widget,
GdkEventWindowState *event);
static void meta_frames_calc_geometry (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameGeometry *fgeom);
static MetaUIFrame* meta_frames_lookup_window (MetaFrames *frames,
Window xwindow);
static void meta_frames_begin_grab (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameStatus status,
int start_button,
int start_root_x,
int start_root_y,
int start_window_x,
int start_window_y,
guint32 timestamp);
static void meta_frames_end_grab (MetaFrames *frames,
guint32 timestamp);
static GdkRectangle* control_rect (MetaFrameControl control,
MetaFrameGeometry *fgeom);
static MetaFrameControl get_control (MetaFrames *frames,
MetaUIFrame *frame,
int x,
int y);
enum
{
LAST_SIGNAL
};
static GtkWidgetClass *parent_class = NULL;
static guint signals[LAST_SIGNAL];
GtkType
meta_frames_get_type (void)
{
static GtkType frames_type = 0;
if (!frames_type)
{
static const GtkTypeInfo frames_info =
{
"MetaFrames",
sizeof (MetaFrames),
sizeof (MetaFramesClass),
(GtkClassInitFunc) meta_frames_class_init,
(GtkObjectInitFunc) meta_frames_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
frames_type = gtk_type_unique (GTK_TYPE_WINDOW, &frames_info);
}
return frames_type;
}
#define BORDER_PROPERTY(name, blurb, docs) \
gtk_widget_class_install_style_property (widget_class, \
g_param_spec_boxed (name, \
blurb, \
docs, \
GTK_TYPE_BORDER, \
G_PARAM_READABLE))
#define INT_PROPERTY(name, default, blurb, docs) \
gtk_widget_class_install_style_property (widget_class, \
g_param_spec_int (name, \
blurb, \
docs, \
0, \
G_MAXINT, \
default, \
G_PARAM_READABLE))
static void
meta_frames_class_init (MetaFramesClass *class)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
gobject_class = G_OBJECT_CLASS (class);
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = meta_frames_finalize;
object_class->destroy = meta_frames_destroy;
widget_class->style_set = meta_frames_style_set;
widget_class->expose_event = meta_frames_expose_event;
widget_class->unmap_event = meta_frames_unmap_event;
widget_class->destroy_event = meta_frames_destroy_event;
widget_class->button_press_event = meta_frames_button_press_event;
widget_class->button_release_event = meta_frames_button_release_event;
widget_class->motion_notify_event = meta_frames_motion_notify_event;
INT_PROPERTY ("left_width", 6, _("Left edge"), _("Left window edge width"));
INT_PROPERTY ("right_width", 6, _("Right edge"), _("Right window edge width"));
INT_PROPERTY ("bottom_height", 7, _("Bottom edge"), _("Bottom window edge height"));
BORDER_PROPERTY ("title_border", _("Title border"), _("Border around title area"));
BORDER_PROPERTY ("text_border", _("Text border"), _("Border around window title text"));
INT_PROPERTY ("spacer_padding", 3, _("Spacer padding"), _("Padding on either side of spacer"));
INT_PROPERTY ("spacer_width", 2, _("Spacer width"), _("Width of spacer"));
INT_PROPERTY ("spacer_height", 11, _("Spacer height"), _("Height of spacer"));
/* same as right_width left_width by default */
INT_PROPERTY ("right_inset", 6, _("Right inset"), _("Distance of buttons from right edge of frame"));
INT_PROPERTY ("left_inset", 6, _("Left inset"), _("Distance of menu button from left edge of frame"));
INT_PROPERTY ("button_width", 15, _("Button width"), _("Width of buttons"));
INT_PROPERTY ("button_height", 15, _("Button height"), _("Height of buttons"));
BORDER_PROPERTY ("button_border", _("Button border"), _("Border around buttons"));
BORDER_PROPERTY ("inner_button_border", _("Inner button border"), _("Border around the icon inside buttons"));
}
static gint
unsigned_long_equal (gconstpointer v1,
gconstpointer v2)
{
return *((const gulong*) v1) == *((const gulong*) v2);
}
static guint
unsigned_long_hash (gconstpointer v)
{
gulong val = * (const gulong *) v;
/* I'm not sure this works so well. */
#if G_SIZEOF_LONG > 4
return (guint) (val ^ (val >> 32));
#else
return val;
#endif
}
static void
meta_frames_init (MetaFrames *frames)
{
GTK_WINDOW (frames)->type = GTK_WINDOW_POPUP;
frames->props = g_new0 (MetaFrameProperties, 1);
frames->frames = g_hash_table_new (unsigned_long_hash, unsigned_long_equal);
frames->grab_status = META_FRAME_STATUS_NORMAL;
}
static void
listify_func (gpointer key, gpointer value, gpointer data)
{
GSList **listp;
listp = data;
*listp = g_slist_prepend (*listp, value);
}
static void
meta_frames_destroy (GtkObject *object)
{
GSList *winlist;
GSList *tmp;
MetaFrames *frames;
frames = META_FRAMES (object);
winlist = NULL;
g_hash_table_foreach (frames->frames,
listify_func,
&winlist);
/* Unmanage all frames */
tmp = winlist;
while (tmp != NULL)
{
MetaUIFrame *frame;
frame = tmp->data;
meta_frames_unmanage_window (frames, frame->xwindow);
tmp = tmp->next;
}
g_slist_free (winlist);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
meta_frames_finalize (GObject *object)
{
MetaFrames *frames;
frames = META_FRAMES (object);
g_assert (g_hash_table_size (frames->frames) == 0);
g_hash_table_destroy (frames->frames);
g_free (frames->props);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
queue_recalc_func (gpointer key, gpointer value, gpointer data)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (data);
frame = value;
/* If a resize occurs it will cause a redraw, but the
* resize may not actually be needed so we always redraw
* in case of color change.
*/
gtk_style_set_background (GTK_WIDGET (frames)->style,
frame->window, GTK_STATE_NORMAL);
gdk_window_invalidate_rect (frame->window, NULL, FALSE);
meta_core_queue_frame_resize (gdk_display,
frame->xwindow);
if (frame->layout)
{
/* recreate layout */
char *text;
text = g_strdup (pango_layout_get_text (frame->layout));
g_object_unref (G_OBJECT (frame->layout));
frame->layout = gtk_widget_create_pango_layout (GTK_WIDGET (frames),
text);
g_free (text);
}
}
static void
meta_frames_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
MetaFrames *frames;
/* left, right, top, bottom */
static GtkBorder default_title_border = { 3, 4, 4, 3 };
static GtkBorder default_text_border = { 2, 2, 2, 2 };
static GtkBorder default_button_border = { 1, 1, 1, 1 };
static GtkBorder default_inner_button_border = {
DEFAULT_INNER_BUTTON_BORDER,
DEFAULT_INNER_BUTTON_BORDER,
DEFAULT_INNER_BUTTON_BORDER,
DEFAULT_INNER_BUTTON_BORDER
};
GtkBorder *title_border;
GtkBorder *text_border;
GtkBorder *button_border;
GtkBorder *inner_button_border;
MetaFrameProperties props;
frames = META_FRAMES (widget);
gtk_widget_style_get (widget,
"left_width",
&props.left_width,
"right_width",
&props.right_width,
"bottom_height",
&props.bottom_height,
"title_border",
&title_border,
"text_border",
&text_border,
"spacer_padding",
&props.spacer_padding,
"spacer_width",
&props.spacer_width,
"spacer_height",
&props.spacer_height,
"right_inset",
&props.right_inset,
"left_inset",
&props.left_inset,
"button_width",
&props.button_width,
"button_height",
&props.button_height,
"button_border",
&button_border,
"inner_button_border",
&inner_button_border,
NULL);
if (title_border)
props.title_border = *title_border;
else
props.title_border = default_title_border;
g_free (title_border);
if (text_border)
props.text_border = *text_border;
else
props.text_border = default_text_border;
g_free (text_border);
if (button_border)
props.button_border = *button_border;
else
props.button_border = default_button_border;
g_free (button_border);
if (inner_button_border)
props.inner_button_border = *inner_button_border;
else
props.inner_button_border = default_inner_button_border;
g_free (inner_button_border);
*(frames->props) = props;
{
PangoFontMetrics metrics;
PangoFont *font;
PangoLanguage *lang;
font = pango_context_load_font (gtk_widget_get_pango_context (widget),
widget->style->font_desc);
lang = pango_context_get_language (gtk_widget_get_pango_context (widget));
pango_font_get_metrics (font, lang, &metrics);
g_object_unref (G_OBJECT (font));
frames->text_height = PANGO_PIXELS (metrics.ascent + metrics.descent);
}
/* Queue a draw/resize on all frames */
g_hash_table_foreach (frames->frames,
queue_recalc_func, frames);
}
static void
meta_frames_calc_geometry (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameGeometry *fgeom)
{
int x;
int button_y;
int title_right_edge;
MetaFrameProperties props;
int buttons_height, title_height, spacer_height;
int width, height;
MetaFrameFlags flags;
props = *(frames->props);
meta_core_get_frame_size (gdk_display, frame->xwindow,
&width, &height);
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
fgeom->width = width;
fgeom->height = height;
buttons_height = props.button_height +
props.button_border.top + props.button_border.bottom;
title_height = frames->text_height +
props.text_border.top + props.text_border.bottom +
props.title_border.top + props.title_border.bottom;
spacer_height = props.spacer_height;
fgeom->top_height = MAX (buttons_height, title_height);
fgeom->top_height = MAX (fgeom->top_height, spacer_height);
fgeom->left_width = props.left_width;
fgeom->right_width = props.right_width;
if (flags & META_FRAME_SHADED)
fgeom->bottom_height = 0;
else
fgeom->bottom_height = props.bottom_height;
x = width - props.right_inset;
/* center buttons */
button_y = (fgeom->top_height -
(props.button_height + props.button_border.top + props.button_border.bottom)) / 2 + props.button_border.top;
if ((flags & META_FRAME_ALLOWS_DELETE) &&
x >= 0)
{
fgeom->close_rect.x = x - props.button_border.right - props.button_width;
fgeom->close_rect.y = button_y;
fgeom->close_rect.width = props.button_width;
fgeom->close_rect.height = props.button_height;
x = fgeom->close_rect.x - props.button_border.left;
}
else
{
fgeom->close_rect.x = 0;
fgeom->close_rect.y = 0;
fgeom->close_rect.width = 0;
fgeom->close_rect.height = 0;
}
if ((flags & META_FRAME_ALLOWS_MAXIMIZE) &&
x >= 0)
{
fgeom->max_rect.x = x - props.button_border.right - props.button_width;
fgeom->max_rect.y = button_y;
fgeom->max_rect.width = props.button_width;
fgeom->max_rect.height = props.button_height;
x = fgeom->max_rect.x - props.button_border.left;
}
else
{
fgeom->max_rect.x = 0;
fgeom->max_rect.y = 0;
fgeom->max_rect.width = 0;
fgeom->max_rect.height = 0;
}
if ((flags & META_FRAME_ALLOWS_MINIMIZE) &&
x >= 0)
{
fgeom->min_rect.x = x - props.button_border.right - props.button_width;
fgeom->min_rect.y = button_y;
fgeom->min_rect.width = props.button_width;
fgeom->min_rect.height = props.button_height;
x = fgeom->min_rect.x - props.button_border.left;
}
else
{
fgeom->min_rect.x = 0;
fgeom->min_rect.y = 0;
fgeom->min_rect.width = 0;
fgeom->min_rect.height = 0;
}
if ((fgeom->close_rect.width > 0 ||
fgeom->max_rect.width > 0 ||
fgeom->min_rect.width > 0) &&
x >= 0)
{
fgeom->spacer_rect.x = x - props.spacer_padding - props.spacer_width;
fgeom->spacer_rect.y = (fgeom->top_height - props.spacer_height) / 2;
fgeom->spacer_rect.width = props.spacer_width;
fgeom->spacer_rect.height = props.spacer_height;
x = fgeom->spacer_rect.x - props.spacer_padding;
}
else
{
fgeom->spacer_rect.x = 0;
fgeom->spacer_rect.y = 0;
fgeom->spacer_rect.width = 0;
fgeom->spacer_rect.height = 0;
}
title_right_edge = x - props.title_border.right;
/* Now x changes to be position from the left */
x = props.left_inset;
if ((flags & META_FRAME_ALLOWS_MENU) &&
x < title_right_edge)
{
fgeom->menu_rect.x = x + props.button_border.left;
fgeom->menu_rect.y = button_y;
fgeom->menu_rect.width = props.button_width;
fgeom->menu_rect.height = props.button_height;
x = fgeom->menu_rect.x + fgeom->menu_rect.width + props.button_border.right;
}
else
{
fgeom->menu_rect.x = 0;
fgeom->menu_rect.y = 0;
fgeom->menu_rect.width = 0;
fgeom->menu_rect.height = 0;
}
/* If menu overlaps close button, then the menu wins since it
* lets you perform any operation including close
*/
if (fgeom->close_rect.width > 0 &&
fgeom->close_rect.x < (fgeom->menu_rect.x + fgeom->menu_rect.height))
{
fgeom->close_rect.width = 0;
fgeom->close_rect.height = 0;
}
/* We always fill as much vertical space as possible with title rect,
* rather than centering it like the buttons and spacer
*/
fgeom->title_rect.x = x + props.title_border.left;
fgeom->title_rect.y = props.title_border.top;
fgeom->title_rect.width = title_right_edge - fgeom->title_rect.x;
fgeom->title_rect.height = fgeom->top_height - props.title_border.top - props.title_border.bottom;
/* Nuke title if it won't fit */
if (fgeom->title_rect.width < 0 ||
fgeom->title_rect.height < 0)
{
fgeom->title_rect.width = 0;
fgeom->title_rect.height = 0;
}
}
MetaFrames*
meta_frames_new (void)
{
return g_object_new (META_TYPE_FRAMES, NULL);
}
void
meta_frames_manage_window (MetaFrames *frames,
Window xwindow)
{
MetaUIFrame *frame;
frame = g_new (MetaUIFrame, 1);
frame->window = gdk_window_foreign_new (xwindow);
if (frame->window == NULL)
{
g_free (frame);
meta_bug ("Frame 0x%lx doesn't exist\n", xwindow);
return;
}
gdk_window_set_user_data (frame->window, frames);
#if 0
/* Add events in frame.c */
gdk_window_set_events (frame->window,
GDK_EXPOSURE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_STRUCTURE_MASK);
/* This shouldn't be required if we don't select for button
* press in frame.c?
*/
XGrabButton (gdk_display, AnyButton, AnyModifier,
xwindow, False,
ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | PointerMotionHintMask,
GrabModeAsync, GrabModeAsync,
False, None);
XFlush (gdk_display);
#endif
frame->xwindow = xwindow;
frame->layout = NULL;
g_hash_table_insert (frames->frames, &frame->xwindow, frame);
}
void
meta_frames_unmanage_window (MetaFrames *frames,
Window xwindow)
{
MetaUIFrame *frame;
frame = g_hash_table_lookup (frames->frames, &xwindow);
if (frame)
{
gdk_window_set_user_data (frame->window, NULL);
if (frames->grab_frame == frame)
meta_frames_end_grab (frames, GDK_CURRENT_TIME);
g_hash_table_remove (frames->frames, &frame->xwindow);
g_object_unref (G_OBJECT (frame->window));
if (frame->layout)
g_object_unref (G_OBJECT (frame->layout));
g_free (frame);
}
else
meta_warning ("Frame 0x%lx not managed, can't unmanage\n", xwindow);
}
static MetaUIFrame*
meta_frames_lookup_window (MetaFrames *frames,
Window xwindow)
{
MetaUIFrame *frame;
frame = g_hash_table_lookup (frames->frames, &xwindow);
return frame;
}
void
meta_frames_get_geometry (MetaFrames *frames,
Window xwindow,
int *top_height, int *bottom_height,
int *left_width, int *right_width)
{
MetaFrameGeometry fgeom;
MetaUIFrame *frame;
frame = meta_frames_lookup_window (frames, xwindow);
if (frame == NULL)
meta_bug ("No such frame 0x%lx\n", xwindow);
meta_frames_calc_geometry (frames, frame, &fgeom);
if (top_height)
*top_height = fgeom.top_height;
if (bottom_height)
*bottom_height = fgeom.bottom_height;
if (left_width)
*left_width = fgeom.left_width;
if (right_width)
*right_width = fgeom.right_width;
}
void
meta_frames_reset_bg (MetaFrames *frames,
Window xwindow)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
gtk_style_set_background (widget->style, frame->window, GTK_STATE_NORMAL);
}
void
meta_frames_queue_draw (MetaFrames *frames,
Window xwindow)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
gdk_window_invalidate_rect (frame->window, NULL, FALSE);
}
void
meta_frames_set_title (MetaFrames *frames,
Window xwindow,
const char *title)
{
GtkWidget *widget;
MetaUIFrame *frame;
widget = GTK_WIDGET (frames);
frame = meta_frames_lookup_window (frames, xwindow);
if (frame->layout == NULL)
frame->layout = gtk_widget_create_pango_layout (widget,
title);
else
pango_layout_set_text (frame->layout, title, -1);
gdk_window_invalidate_rect (frame->window, NULL, FALSE);
}
static void
meta_frames_begin_grab (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameStatus status,
int start_button,
int start_root_x,
int start_root_y,
int start_window_x,
int start_window_y,
guint32 timestamp)
{
g_return_if_fail (frames->grab_frame == NULL);
/* This grab isn't needed I don't think */
if (gdk_pointer_grab (frame->window,
FALSE,
GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_HINT_MASK | GDK_POINTER_MOTION_MASK,
NULL,
NULL,
timestamp) == GDK_GRAB_SUCCESS)
{
frames->grab_frame = frame;
frames->grab_status = status;
frames->start_button = start_button;
frames->start_root_x = start_root_x;
frames->start_root_y = start_root_y;
frames->start_window_x = start_window_x;
frames->start_window_y = start_window_y;
}
}
static void
meta_frames_end_grab (MetaFrames *frames,
guint32 timestamp)
{
if (frames->grab_frame)
{
frames->grab_frame = NULL;
frames->grab_status = META_FRAME_STATUS_NORMAL;
gdk_pointer_ungrab (timestamp);
}
}
static void
frame_query_root_pointer (MetaUIFrame *frame,
int *x, int *y)
{
Window root_return, child_return;
int root_x_return, root_y_return;
int win_x_return, win_y_return;
unsigned int mask_return;
XQueryPointer (gdk_display,
frame->xwindow,
&root_return,
&child_return,
&root_x_return,
&root_y_return,
&win_x_return,
&win_y_return,
&mask_return);
if (x)
*x = root_x_return;
if (y)
*y = root_y_return;
}
static void
update_move (MetaFrames *frames,
MetaUIFrame *frame,
int x,
int y)
{
int dx, dy;
dx = x - frames->start_root_x;
dy = y - frames->start_root_y;
meta_core_user_move (gdk_display,
frame->xwindow,
frames->start_window_x + dx,
frames->start_window_y + dy);
}
static void
update_resize_se (MetaFrames *frames,
MetaUIFrame *frame,
int x, int y)
{
int dx, dy;
dx = x - frames->start_root_x;
dy = y - frames->start_root_y;
meta_core_user_resize (gdk_display,
frame->xwindow,
frames->start_window_x + dx,
frames->start_window_y + dy);
}
static void
redraw_control (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameControl control)
{
MetaFrameGeometry fgeom;
GdkRectangle *rect;
meta_frames_calc_geometry (frames, frame, &fgeom);
rect = control_rect (control, &fgeom);
gdk_window_invalidate_rect (frame->window, rect, FALSE);
}
static gboolean
point_in_control (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameControl control,
int x, int y)
{
return control == get_control (frames, frame, x, y);
}
gboolean
meta_frames_button_press_event (GtkWidget *widget,
GdkEventButton *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
MetaFrameControl control;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
control = get_control (frames, frame, event->x, event->y);
if (control == META_FRAME_CONTROL_TITLE &&
event->button == 1 &&
event->type == GDK_2BUTTON_PRESS)
{
MetaFrameFlags flags;
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
if (flags & META_FRAME_ALLOWS_SHADE)
{
if (flags & META_FRAME_SHADED)
meta_core_unshade (gdk_display,
frame->xwindow);
else
meta_core_shade (gdk_display,
frame->xwindow);
}
return TRUE;
}
if (frames->grab_frame != NULL)
return FALSE; /* already up to something */
if (event->button == 1)
meta_core_user_raise (gdk_display, frame->xwindow);
if (event->button == 1 &&
(control == META_FRAME_CONTROL_MAXIMIZE ||
control == META_FRAME_CONTROL_MINIMIZE ||
control == META_FRAME_CONTROL_DELETE ||
control == META_FRAME_CONTROL_MENU))
{
MetaFrameStatus status = META_FRAME_STATUS_NORMAL;
switch (control)
{
case META_FRAME_CONTROL_MINIMIZE:
status = META_FRAME_STATUS_CLICKING_MINIMIZE;
break;
case META_FRAME_CONTROL_MAXIMIZE:
status = META_FRAME_STATUS_CLICKING_MAXIMIZE;
break;
case META_FRAME_CONTROL_DELETE:
status = META_FRAME_STATUS_CLICKING_DELETE;
break;
case META_FRAME_CONTROL_MENU:
status = META_FRAME_STATUS_CLICKING_MENU;
break;
default:
g_assert_not_reached ();
break;
}
g_assert (status != META_FRAME_STATUS_NORMAL);
meta_frames_begin_grab (frames, frame,
status,
event->button,
0, 0, 0, 0, /* not needed */
event->time);
redraw_control (frames, frame, control);
if (status == META_FRAME_STATUS_CLICKING_MENU)
{
meta_core_show_window_menu (gdk_display,
frame->xwindow,
event->x_root,
event->y_root,
event->button,
event->time);
}
}
else if (control == META_FRAME_CONTROL_RESIZE_SE &&
event->button == 1)
{
int w, h;
meta_core_get_size (gdk_display,
frame->xwindow,
&w, &h);
meta_frames_begin_grab (frames, frame,
META_FRAME_STATUS_RESIZING_SE,
event->button,
event->x_root,
event->y_root,
w, h,
event->time);
}
else if (((control == META_FRAME_CONTROL_TITLE ||
control == META_FRAME_CONTROL_NONE) &&
event->button == 1) ||
event->button == 2)
{
int x, y;
meta_core_get_position (gdk_display,
frame->xwindow,
&x, &y);
meta_frames_begin_grab (frames, frame,
META_FRAME_STATUS_MOVING,
event->button,
event->x_root,
event->y_root,
x, y,
event->time);
}
return TRUE;
}
void
meta_frames_notify_menu_hide (MetaFrames *frames)
{
if (frames->grab_status == META_FRAME_STATUS_CLICKING_MENU)
{
redraw_control (frames, frames->grab_frame,
META_FRAME_CONTROL_MENU);
meta_frames_end_grab (frames, GDK_CURRENT_TIME);
}
}
gboolean
meta_frames_button_release_event (GtkWidget *widget,
GdkEventButton *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
if (frames->grab_frame == frame &&
frames->start_button == event->button)
{
MetaFrameStatus status;
status = frames->grab_status;
meta_frames_end_grab (frames, event->time);
switch (status)
{
case META_FRAME_STATUS_MOVING:
update_move (frames, frame, event->x_root, event->y_root);
break;
case META_FRAME_STATUS_RESIZING_SE:
update_resize_se (frames, frame, event->x_root, event->y_root);
break;
case META_FRAME_STATUS_CLICKING_MINIMIZE:
if (point_in_control (frames, frame,
META_FRAME_CONTROL_MINIMIZE,
event->x, event->y))
meta_core_minimize (gdk_display, frame->xwindow);
redraw_control (frames, frame,
META_FRAME_CONTROL_MINIMIZE);
break;
case META_FRAME_STATUS_CLICKING_MAXIMIZE:
if (point_in_control (frames, frame,
META_FRAME_CONTROL_MAXIMIZE,
event->x, event->y))
{
if (meta_core_get_frame_flags (gdk_display, frame->xwindow) &
META_FRAME_MAXIMIZED)
meta_core_unmaximize (gdk_display, frame->xwindow);
else
meta_core_maximize (gdk_display, frame->xwindow);
}
redraw_control (frames, frame,
META_FRAME_CONTROL_MAXIMIZE);
break;
case META_FRAME_STATUS_CLICKING_DELETE:
if (point_in_control (frames, frame,
META_FRAME_CONTROL_DELETE,
event->x, event->y))
meta_core_delete (gdk_display, frame->xwindow, event->time);
redraw_control (frames, frame,
META_FRAME_CONTROL_DELETE);
break;
case META_FRAME_STATUS_CLICKING_MENU:
redraw_control (frames, frame,
META_FRAME_CONTROL_MENU);
break;
case META_FRAME_STATUS_NORMAL:
break;
}
}
return TRUE;
}
gboolean
meta_frames_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
switch (frames->grab_status)
{
case META_FRAME_STATUS_MOVING:
{
int x, y;
frame_query_root_pointer (frame, &x, &y);
update_move (frames, frame, x, y);
}
break;
case META_FRAME_STATUS_RESIZING_SE:
{
int x, y;
frame_query_root_pointer (frame, &x, &y);
update_resize_se (frames, frame, x, y);
}
break;
case META_FRAME_STATUS_CLICKING_MENU:
case META_FRAME_STATUS_CLICKING_DELETE:
case META_FRAME_STATUS_CLICKING_MINIMIZE:
case META_FRAME_STATUS_CLICKING_MAXIMIZE:
case META_FRAME_STATUS_NORMAL:
break;
}
return TRUE;
}
gboolean
meta_frames_destroy_event (GtkWidget *widget,
GdkEventAny *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
if (frames->grab_frame == frame)
meta_frames_end_grab (frames, GDK_CURRENT_TIME);
return TRUE;
}
static void
draw_control (MetaFrames *frames,
GdkDrawable *drawable,
GdkGC *override,
MetaFrameControl control,
int x, int y, int width, int height)
{
GtkWidget *widget;
GdkGCValues vals;
GdkGC *gc;
widget = GTK_WIDGET (frames);
#define THICK_LINE_WIDTH 3
gc = override ? override : widget->style->fg_gc[GTK_STATE_NORMAL];
switch (control)
{
case META_FRAME_CONTROL_DELETE:
{
gdk_draw_line (drawable,
gc,
x, y, x + width - 1, y + height - 1);
gdk_draw_line (drawable,
gc,
x, y + height - 1, x + width - 1, y);
}
break;
case META_FRAME_CONTROL_MAXIMIZE:
{
gdk_draw_rectangle (drawable,
gc,
FALSE,
x, y, width - 1, height - 1);
vals.line_width = THICK_LINE_WIDTH;
gdk_gc_set_values (gc,
&vals,
GDK_GC_LINE_WIDTH);
gdk_draw_line (drawable,
gc,
x, y + 1, x + width, y + 1);
vals.line_width = 0;
gdk_gc_set_values (gc,
&vals,
GDK_GC_LINE_WIDTH);
}
break;
case META_FRAME_CONTROL_MINIMIZE:
{
vals.line_width = THICK_LINE_WIDTH;
gdk_gc_set_values (gc,
&vals,
GDK_GC_LINE_WIDTH);
gdk_draw_line (drawable,
gc,
x, y + height - THICK_LINE_WIDTH + 1,
x + width, y + height - THICK_LINE_WIDTH + 1);
vals.line_width = 0;
gdk_gc_set_values (gc,
&vals,
GDK_GC_LINE_WIDTH);
}
break;
default:
break;
}
#undef THICK_LINE_WIDTH
}
void
meta_frames_get_pixmap_for_control (MetaFrames *frames,
MetaFrameControl control,
GdkPixmap **pixmapp,
GdkBitmap **maskp)
{
int w, h;
GdkPixmap *pix;
GdkBitmap *mask;
GtkWidget *widget;
GdkGC *mgc;
GdkColor color;
widget = GTK_WIDGET (frames);
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &w, &h);
w -= DEFAULT_INNER_BUTTON_BORDER * 2;
h -= DEFAULT_INNER_BUTTON_BORDER * 2;
/* avoid crashing on bizarre icon sizes */
if (w < 1)
w = 1;
if (h < 1)
h = 1;
pix = gdk_pixmap_new (NULL, w, h, gtk_widget_get_visual (widget)->depth);
mask = gdk_pixmap_new (NULL, w, h, 1);
mgc = gdk_gc_new (mask);
color.pixel = 0;
gdk_gc_set_foreground (mgc, &color);
gdk_draw_rectangle (mask, mgc, TRUE, 0, 0, -1, -1);
color.pixel = 1;
gdk_gc_set_foreground (mgc, &color);
draw_control (frames, mask, mgc, control, 0, 0, w, h);
gdk_gc_unref (mgc);
draw_control (frames, pix, NULL, control, 0, 0, w, h);
*pixmapp = pix;
*maskp = mask;
}
static void
draw_control_bg (MetaFrames *frames,
MetaUIFrame *frame,
MetaFrameControl control,
MetaFrameGeometry *fgeom)
{
GdkRectangle *rect;
GtkWidget *widget;
gboolean draw = FALSE;
widget = GTK_WIDGET (frames);
if (frame == frames->grab_frame)
{
switch (frames->grab_status)
{
case META_FRAME_STATUS_CLICKING_MENU:
draw = control == META_FRAME_CONTROL_MENU;
break;
case META_FRAME_STATUS_CLICKING_DELETE:
draw = control == META_FRAME_CONTROL_DELETE;
break;
case META_FRAME_STATUS_CLICKING_MAXIMIZE:
draw = control == META_FRAME_CONTROL_MAXIMIZE;
break;
case META_FRAME_STATUS_CLICKING_MINIMIZE:
draw = control == META_FRAME_CONTROL_MINIMIZE;
break;
default:
break;
}
}
if (draw)
{
rect = control_rect (control, fgeom);
if (rect == NULL)
return;
gtk_paint_box (widget->style, frame->window,
GTK_STATE_ACTIVE,
GTK_SHADOW_IN, NULL,
widget, "button",
rect->x, rect->y, rect->width, rect->height);
}
}
gboolean
meta_frames_expose_event (GtkWidget *widget,
GdkEventExpose *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
MetaFrameGeometry fgeom;
MetaFrameFlags flags;
int width, height;
GtkBorder inner;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
meta_frames_calc_geometry (frames, frame, &fgeom);
flags = meta_core_get_frame_flags (gdk_display, frame->xwindow);
meta_core_get_frame_size (gdk_display, frame->xwindow, &width, &height);
/* Black line around outside to give definition */
gdk_draw_rectangle (frame->window,
widget->style->black_gc,
FALSE,
0, 0, width - 1, height - 1);
/* Light GC on top/left edges */
gdk_draw_line (frame->window,
widget->style->light_gc[GTK_STATE_NORMAL],
1, 1,
1, height - 2);
gdk_draw_line (frame->window,
widget->style->light_gc[GTK_STATE_NORMAL],
1, 1,
width - 2, 1);
/* Dark on bottom/right */
gdk_draw_line (frame->window,
widget->style->dark_gc[GTK_STATE_NORMAL],
width - 2, 1,
width - 2, height - 2);
gdk_draw_line (frame->window,
widget->style->dark_gc[GTK_STATE_NORMAL],
1, height - 2,
width - 2, height - 2);
if (flags & META_FRAME_HAS_FOCUS)
{
/* Black line around inside while we have focus */
gdk_draw_rectangle (frame->window,
widget->style->black_gc,
FALSE,
fgeom.left_width - 1,
fgeom.top_height - 1,
width - fgeom.right_width - fgeom.left_width + 1,
height - fgeom.bottom_height - fgeom.top_height + 1);
}
if (event->area.y < fgeom.top_height &&
fgeom.title_rect.width > 0 && fgeom.title_rect.height > 0)
{
GdkRectangle clip;
GdkGC *layout_gc;
clip = fgeom.title_rect;
clip.x += frames->props->text_border.left;
clip.width -= frames->props->text_border.left +
frames->props->text_border.right;
layout_gc = widget->style->text_gc[GTK_STATE_NORMAL];
if (flags & META_FRAME_HAS_FOCUS)
{
layout_gc = widget->style->text_gc[GTK_STATE_SELECTED];
/* Draw blue background */
gdk_draw_rectangle (frame->window,
widget->style->base_gc[GTK_STATE_SELECTED],
TRUE,
fgeom.title_rect.x,
fgeom.title_rect.y,
fgeom.title_rect.width,
fgeom.title_rect.height);
}
if (frame->layout)
{
gdk_gc_set_clip_rectangle (layout_gc, &clip);
gdk_draw_layout (frame->window,
layout_gc,
fgeom.title_rect.x + frames->props->text_border.left,
fgeom.title_rect.y + frames->props->text_border.top,
frame->layout);
gdk_gc_set_clip_rectangle (layout_gc, NULL);
}
}
inner = frames->props->inner_button_border;
if (fgeom.close_rect.width > 0 && fgeom.close_rect.height > 0)
{
draw_control_bg (frames, frame, META_FRAME_CONTROL_DELETE, &fgeom);
draw_control (frames, frame->window,
NULL,
META_FRAME_CONTROL_DELETE,
fgeom.close_rect.x + inner.left,
fgeom.close_rect.y + inner.top,
fgeom.close_rect.width - inner.right - inner.left,
fgeom.close_rect.height - inner.bottom - inner.top);
}
if (fgeom.max_rect.width > 0 && fgeom.max_rect.height > 0)
{
draw_control_bg (frames, frame, META_FRAME_CONTROL_MAXIMIZE, &fgeom);
draw_control (frames, frame->window,
NULL,
META_FRAME_CONTROL_MAXIMIZE,
fgeom.max_rect.x + inner.left,
fgeom.max_rect.y + inner.top,
fgeom.max_rect.width - inner.left - inner.right,
fgeom.max_rect.height - inner.top - inner.bottom);
}
if (fgeom.min_rect.width > 0 && fgeom.min_rect.height > 0)
{
draw_control_bg (frames, frame, META_FRAME_CONTROL_MINIMIZE, &fgeom);
draw_control (frames, frame->window,
NULL,
META_FRAME_CONTROL_MINIMIZE,
fgeom.min_rect.x + inner.left,
fgeom.min_rect.y + inner.top,
fgeom.min_rect.width - inner.left - inner.right,
fgeom.min_rect.height - inner.top - inner.bottom);
}
if (fgeom.spacer_rect.width > 0 && fgeom.spacer_rect.height > 0)
{
gtk_paint_vline (widget->style,
frame->window,
GTK_STATE_NORMAL,
&event->area,
widget,
"metacity_frame_spacer",
fgeom.spacer_rect.y,
fgeom.spacer_rect.y + fgeom.spacer_rect.height,
fgeom.spacer_rect.x + fgeom.spacer_rect.width / 2);
}
if (fgeom.menu_rect.width > 0 && fgeom.menu_rect.height > 0)
{
int x, y;
#define ARROW_WIDTH 7
#define ARROW_HEIGHT 5
draw_control_bg (frames, frame, META_FRAME_CONTROL_MENU, &fgeom);
x = fgeom.menu_rect.x;
y = fgeom.menu_rect.y;
x += (fgeom.menu_rect.width - ARROW_WIDTH) / 2;
y += (fgeom.menu_rect.height - ARROW_HEIGHT) / 2;
gtk_paint_arrow (widget->style,
frame->window,
GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
&event->area,
widget,
"metacity_menu_button",
GTK_ARROW_DOWN,
TRUE,
x, y, ARROW_WIDTH, ARROW_HEIGHT);
}
return TRUE;
}
gboolean
meta_frames_key_press_event (GtkWidget *widget,
GdkEventKey *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_key_release_event (GtkWidget *widget,
GdkEventKey *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_enter_notify_event (GtkWidget *widget,
GdkEventCrossing *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_configure_event (GtkWidget *widget,
GdkEventConfigure *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_focus_in_event (GtkWidget *widget,
GdkEventFocus *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_focus_out_event (GtkWidget *widget,
GdkEventFocus *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_map_event (GtkWidget *widget,
GdkEventAny *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_unmap_event (GtkWidget *widget,
GdkEventAny *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
if (frames->grab_frame == frame)
meta_frames_end_grab (frames, GDK_CURRENT_TIME);
return TRUE;
}
gboolean
meta_frames_property_notify_event (GtkWidget *widget,
GdkEventProperty *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_client_event (GtkWidget *widget,
GdkEventClient *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
gboolean
meta_frames_window_state_event (GtkWidget *widget,
GdkEventWindowState *event)
{
MetaUIFrame *frame;
MetaFrames *frames;
frames = META_FRAMES (widget);
frame = meta_frames_lookup_window (frames, GDK_WINDOW_XID (event->window));
if (frame == NULL)
return FALSE;
return TRUE;
}
static GdkRectangle*
control_rect (MetaFrameControl control,
MetaFrameGeometry *fgeom)
{
GdkRectangle *rect;
rect = NULL;
switch (control)
{
case META_FRAME_CONTROL_TITLE:
rect = &fgeom->title_rect;
break;
case META_FRAME_CONTROL_DELETE:
rect = &fgeom->close_rect;
break;
case META_FRAME_CONTROL_MENU:
rect = &fgeom->menu_rect;
break;
case META_FRAME_CONTROL_MINIMIZE:
rect = &fgeom->min_rect;
break;
case META_FRAME_CONTROL_MAXIMIZE:
rect = &fgeom->max_rect;
break;
case META_FRAME_CONTROL_RESIZE_SE:
break;
case META_FRAME_CONTROL_RESIZE_S:
break;
case META_FRAME_CONTROL_RESIZE_SW:
break;
case META_FRAME_CONTROL_RESIZE_N:
break;
case META_FRAME_CONTROL_RESIZE_NE:
break;
case META_FRAME_CONTROL_RESIZE_NW:
break;
case META_FRAME_CONTROL_RESIZE_W:
break;
case META_FRAME_CONTROL_RESIZE_E:
break;
case META_FRAME_CONTROL_NONE:
break;
}
return rect;
}
#define POINT_IN_RECT(xcoord, ycoord, rect) \
((xcoord) >= (rect).x && \
(xcoord) < ((rect).x + (rect).width) && \
(ycoord) >= (rect).y && \
(ycoord) < ((rect).y + (rect).height))
#define RESIZE_EXTENDS 10
static MetaFrameControl
get_control (MetaFrames *frames,
MetaUIFrame *frame,
int x, int y)
{
MetaFrameGeometry fgeom;
meta_frames_calc_geometry (frames, frame, &fgeom);
if (POINT_IN_RECT (x, y, fgeom.close_rect))
return META_FRAME_CONTROL_DELETE;
if (POINT_IN_RECT (x, y, fgeom.min_rect))
return META_FRAME_CONTROL_MINIMIZE;
if (POINT_IN_RECT (x, y, fgeom.max_rect))
return META_FRAME_CONTROL_MAXIMIZE;
if (POINT_IN_RECT (x, y, fgeom.menu_rect))
return META_FRAME_CONTROL_MENU;
if (POINT_IN_RECT (x, y, fgeom.title_rect))
return META_FRAME_CONTROL_TITLE;
if (y > (fgeom.height - fgeom.bottom_height - RESIZE_EXTENDS) &&
x > (fgeom.width - fgeom.right_width - RESIZE_EXTENDS))
return META_FRAME_CONTROL_RESIZE_SE;
return META_FRAME_CONTROL_NONE;
}
#if 0
static void
frame_query_root_pointer (MetaUIFrame *frame,
int *x, int *y)
{
Window root_return, child_return;
int root_x_return, root_y_return;
int win_x_return, win_y_return;
unsigned int mask_return;
XQueryPointer (frame->window->display->xdisplay,
frame->xwindow,
&root_return,
&child_return,
&root_x_return,
&root_y_return,
&win_x_return,
&win_y_return,
&mask_return);
if (x)
*x = root_x_return;
if (y)
*y = root_y_return;
}
static void
show_tip_now (MetaUIFrame *frame)
{
const char *tiptext;
tiptext = NULL;
switch (frame->current_control)
{
case META_FRAME_CONTROL_TITLE:
break;
case META_FRAME_CONTROL_DELETE:
tiptext = _("Close Window");
break;
case META_FRAME_CONTROL_MENU:
tiptext = _("Menu");
break;
case META_FRAME_CONTROL_ICONIFY:
tiptext = _("Minimize Window");
break;
case META_FRAME_CONTROL_MAXIMIZE:
tiptext = _("Maximize Window");
break;
case META_FRAME_CONTROL_RESIZE_SE:
break;
case META_FRAME_CONTROL_RESIZE_S:
break;
case META_FRAME_CONTROL_RESIZE_SW:
break;
case META_FRAME_CONTROL_RESIZE_N:
break;
case META_FRAME_CONTROL_RESIZE_NE:
break;
case META_FRAME_CONTROL_RESIZE_NW:
break;
case META_FRAME_CONTROL_RESIZE_W:
break;
case META_FRAME_CONTROL_RESIZE_E:
break;
case META_FRAME_CONTROL_NONE:
break;
}
if (tiptext)
{
int x, y, width, height;
MetaFrameInfo info;
meta_frame_init_info (frame, &info);
frame->window->screen->engine->get_control_rect (&info,
frame->current_control,
&x, &y, &width, &height,
frame->theme_data);
/* Display tip a couple pixels below control */
meta_screen_show_tip (frame->window->screen,
frame->rect.x + x,
frame->rect.y + y + height + 2,
tiptext);
}
}
static gboolean
tip_timeout_func (gpointer data)
{
MetaUIFrame *frame;
frame = data;
show_tip_now (frame);
return FALSE;
}
#define TIP_DELAY 250
static void
queue_tip (MetaUIFrame *frame)
{
if (frame->tooltip_timeout)
g_source_remove (frame->tooltip_timeout);
frame->tooltip_timeout = g_timeout_add (250,
tip_timeout_func,
frame);
}
static void
clear_tip (MetaUIFrame *frame)
{
if (frame->tooltip_timeout)
{
g_source_remove (frame->tooltip_timeout);
frame->tooltip_timeout = 0;
}
meta_screen_hide_tip (frame->window->screen);
}
static MetaFrameControl
frame_get_control (MetaUIFrame *frame,
int x, int y)
{
MetaFrameInfo info;
if (x < 0 || y < 0 ||
x > frame->rect.width || y > frame->rect.height)
return META_FRAME_CONTROL_NONE;
meta_frame_init_info (frame, &info);
return frame->window->screen->engine->get_control (&info,
x, y,
frame->theme_data);
}
static void
update_move (MetaUIFrame *frame,
int x,
int y)
{
int dx, dy;
dx = x - frame->grab->start_root_x;
dy = y - frame->grab->start_root_y;
frame->window->user_has_moved = TRUE;
meta_window_move (frame->window,
frame->grab->start_window_x + dx,
frame->grab->start_window_y + dy);
}
static void
update_resize_se (MetaUIFrame *frame,
int x, int y)
{
int dx, dy;
dx = x - frame->grab->start_root_x;
dy = y - frame->grab->start_root_y;
frame->window->user_has_resized = TRUE;
meta_window_resize (frame->window,
frame->grab->start_window_x + dx,
frame->grab->start_window_y + dy);
}
static void
update_current_control (MetaUIFrame *frame,
int x_root, int y_root)
{
MetaFrameControl old;
if (frame->grab)
return;
old = frame->current_control;
frame->current_control = frame_get_control (frame,
x_root - frame->rect.x,
y_root - frame->rect.y);
if (old != frame->current_control)
{
meta_frame_queue_draw (frame);
if (frame->current_control == META_FRAME_CONTROL_NONE)
clear_tip (frame);
else
queue_tip (frame);
}
}
static void
grab_action (MetaUIFrame *frame,
MetaFrameAction action,
Time time)
{
meta_verbose ("Grabbing action %d\n", action);
frame->grab = g_new0 (MetaFrameActionGrab, 1);
if (XGrabPointer (frame->window->display->xdisplay,
frame->xwindow,
False,
ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | PointerMotionHintMask,
GrabModeAsync, GrabModeAsync,
None,
None,
time) != GrabSuccess)
meta_warning ("Grab for frame action failed\n");
frame->grab->action = action;
/* display ACTIVE state */
meta_frame_queue_draw (frame);
clear_tip (frame);
}
static void
ungrab_action (MetaUIFrame *frame,
Time time)
{
int x, y;
meta_verbose ("Ungrabbing action %d\n", frame->grab->action);
XUngrabPointer (frame->window->display->xdisplay,
time);
g_free (frame->grab);
frame->grab = NULL;
frame_query_root_pointer (frame, &x, &y);
update_current_control (frame, x, y);
/* undisplay ACTIVE state */
meta_frame_queue_draw (frame);
queue_tip (frame);
}
static void
get_menu_items (MetaUIFrame *frame,
MetaFrameInfo *info,
MetaMessageWindowMenuOps *ops,
MetaMessageWindowMenuOps *insensitive)
{
*ops = 0;
*insensitive = 0;
if (info->flags & META_FRAME_CONTROL_MAXIMIZE)
{
if (frame->window->maximized)
*ops |= META_MESSAGE_MENU_UNMAXIMIZE;
else
*ops |= META_MESSAGE_MENU_MAXIMIZE;
}
if (frame->window->shaded)
*ops |= META_MESSAGE_MENU_UNSHADE;
else
*ops |= META_MESSAGE_MENU_SHADE;
if (frame->window->on_all_workspaces)
*ops |= META_MESSAGE_MENU_UNSTICK;
else
*ops |= META_MESSAGE_MENU_STICK;
*ops |= (META_MESSAGE_MENU_DELETE | META_MESSAGE_MENU_WORKSPACES | META_MESSAGE_MENU_MINIMIZE);
if (!(info->flags & META_FRAME_CONTROL_ICONIFY))
*insensitive |= META_MESSAGE_MENU_MINIMIZE;
if (!(info->flags & META_FRAME_CONTROL_DELETE))
*insensitive |= META_MESSAGE_MENU_DELETE;
}
gboolean
meta_frame_event (MetaUIFrame *frame,
XEvent *event)
{
switch (event->type)
{
case KeyPress:
break;
case KeyRelease:
break;
case ButtonPress:
/* you can use button 2 to move a window without raising it */
if (event->xbutton.button == 1)
meta_window_raise (frame->window);
update_current_control (frame,
event->xbutton.x_root,
event->xbutton.y_root);
if (frame->grab == NULL)
{
MetaFrameControl control;
control = frame->current_control;
if (control == META_FRAME_CONTROL_TITLE &&
event->xbutton.button == 1 &&
meta_display_is_double_click (frame->window->display))
{
meta_verbose ("Double click on title\n");
/* FIXME this catches double click that starts elsewhere
* with the second click on title, maybe no one will
* ever notice
*/
if (frame->window->shaded)
meta_window_unshade (frame->window);
else
meta_window_shade (frame->window);
}
else if (((control == META_FRAME_CONTROL_TITLE ||
control == META_FRAME_CONTROL_NONE) &&
event->xbutton.button == 1) ||
event->xbutton.button == 2)
{
meta_verbose ("Begin move on %s\n",
frame->window->desc);
grab_action (frame, META_FRAME_ACTION_MOVING,
event->xbutton.time);
frame->grab->start_root_x = event->xbutton.x_root;
frame->grab->start_root_y = event->xbutton.y_root;
/* pos of client in root coords */
frame->grab->start_window_x =
frame->rect.x + frame->window->rect.x;
frame->grab->start_window_y =
frame->rect.y + frame->window->rect.y;
frame->grab->start_button = event->xbutton.button;
}
else if (control == META_FRAME_CONTROL_DELETE &&
event->xbutton.button == 1)
{
meta_verbose ("Close control clicked on %s\n",
frame->window->desc);
grab_action (frame, META_FRAME_ACTION_DELETING,
event->xbutton.time);
frame->grab->start_button = event->xbutton.button;
}
else if (control == META_FRAME_CONTROL_MAXIMIZE &&
event->xbutton.button == 1)
{
meta_verbose ("Maximize control clicked on %s\n",
frame->window->desc);
grab_action (frame, META_FRAME_ACTION_TOGGLING_MAXIMIZE,
event->xbutton.time);
frame->grab->start_button = event->xbutton.button;
}
else if (control == META_FRAME_CONTROL_RESIZE_SE &&
event->xbutton.button == 1)
{
meta_verbose ("Resize control clicked on %s\n",
frame->window->desc);
grab_action (frame, META_FRAME_ACTION_RESIZING_SE,
event->xbutton.time);
frame->grab->start_root_x = event->xbutton.x_root;
frame->grab->start_root_y = event->xbutton.y_root;
frame->grab->start_window_x = frame->window->rect.width;
frame->grab->start_window_y = frame->window->rect.height;
frame->grab->start_button = event->xbutton.button;
}
else if (control == META_FRAME_CONTROL_MENU &&
event->xbutton.button == 1)
{
int x, y, width, height;
MetaFrameInfo info;
MetaMessageWindowMenuOps ops;
MetaMessageWindowMenuOps insensitive;
meta_verbose ("Menu control clicked on %s\n",
frame->window->desc);
meta_frame_init_info (frame, &info);
frame->window->screen->engine->get_control_rect (&info,
META_FRAME_CONTROL_MENU,
&x, &y, &width, &height,
frame->theme_data);
/* Let the menu get a grab. The user could release button
* before the menu gets the grab, in which case the
* menu gets somewhat confused, but it's not that
* disastrous.
*/
XUngrabPointer (frame->window->display->xdisplay,
event->xbutton.time);
get_menu_items (frame, &info, &ops, &insensitive);
meta_ui_slave_show_window_menu (frame->window->screen->uislave,
frame->window,
frame->rect.x + x,
frame->rect.y + y + height,
event->xbutton.button,
ops, insensitive,
event->xbutton.time);
}
}
break;
case ButtonRelease:
if (frame->grab)
meta_debug_spew ("Here! grab %p action %d buttons %d %d\n",
frame->grab, frame->grab->action, frame->grab->start_button, event->xbutton.button);
if (frame->grab &&
event->xbutton.button == frame->grab->start_button)
{
switch (frame->grab->action)
{
case META_FRAME_ACTION_MOVING:
update_move (frame, event->xbutton.x_root, event->xbutton.y_root);
ungrab_action (frame, event->xbutton.time);
update_current_control (frame,
event->xbutton.x_root, event->xbutton.y_root);
break;
case META_FRAME_ACTION_RESIZING_SE:
update_resize_se (frame, event->xbutton.x_root, event->xbutton.y_root);
ungrab_action (frame, event->xbutton.time);
update_current_control (frame,
event->xbutton.x_root, event->xbutton.y_root);
break;
case META_FRAME_ACTION_DELETING:
/* Must ungrab before getting "real" control position */
ungrab_action (frame, event->xbutton.time);
update_current_control (frame,
event->xbutton.x_root,
event->xbutton.y_root);
/* delete if we're still over the button */
if (frame->current_control == META_FRAME_CONTROL_DELETE)
meta_window_delete (frame->window, event->xbutton.time);
break;
case META_FRAME_ACTION_TOGGLING_MAXIMIZE:
/* Must ungrab before getting "real" control position */
ungrab_action (frame, event->xbutton.time);
update_current_control (frame,
event->xbutton.x_root,
event->xbutton.y_root);
/* delete if we're still over the button */
if (frame->current_control == META_FRAME_CONTROL_MAXIMIZE)
{
if (frame->window->maximized)
meta_window_unmaximize (frame->window);
else
meta_window_maximize (frame->window);
}
break;
default:
meta_warning ("Unhandled action in button release\n");
break;
}
}
break;
case MotionNotify:
{
int x, y;
frame_query_root_pointer (frame, &x, &y);
if (frame->grab)
{
switch (frame->grab->action)
{
case META_FRAME_ACTION_MOVING:
update_move (frame, x, y);
break;
case META_FRAME_ACTION_RESIZING_SE:
update_resize_se (frame, x, y);
break;
case META_FRAME_ACTION_NONE:
break;
default:
break;
}
}
else
{
update_current_control (frame, x, y);
}
}
break;
case EnterNotify:
/* We handle it here if a decorated window
* is involved, otherwise we handle it in display.c
*/
/* do this even if window->has_focus to avoid races */
meta_window_focus (frame->window,
event->xcrossing.time);
break;
case LeaveNotify:
update_current_control (frame, -1, -1);
break;
case FocusIn:
break;
case FocusOut:
break;
case KeymapNotify:
break;
case Expose:
{
gboolean title_was_exposed = frame->title_exposed;
meta_frame_queue_draw (frame);
if (!title_was_exposed &&
event->xexpose.y > frame->child_y)
frame->title_exposed = FALSE;
}
break;
case GraphicsExpose:
break;
case NoExpose:
break;
case VisibilityNotify:
break;
case CreateNotify:
break;
case DestroyNotify:
{
MetaDisplay *display;
meta_warning ("Unexpected destruction of frame 0x%lx, not sure if this should silently fail or be considered a bug\n", frame->xwindow);
display = frame->window->display;
meta_error_trap_push (display);
meta_window_destroy_frame (frame->window);
meta_error_trap_pop (display);
return TRUE;
}
break;
case UnmapNotify:
if (frame->grab)
ungrab_action (frame, CurrentTime);
break;
case MapNotify:
if (frame->grab)
ungrab_action (frame, CurrentTime);
break;
case MapRequest:
break;
case ReparentNotify:
break;
case ConfigureNotify:
break;
case ConfigureRequest:
{
/* This is a request from the UISlave, or else a client
* that's completely out of line. We call
* meta_window_move_resize() using this information.
*/
}
break;
case GravityNotify:
break;
case ResizeRequest:
break;
case CirculateNotify:
break;
case CirculateRequest:
break;
case PropertyNotify:
break;
case SelectionClear:
break;
case SelectionRequest:
break;
case SelectionNotify:
break;
case ColormapNotify:
break;
case ClientMessage:
break;
case MappingNotify:
break;
default:
break;
}
return FALSE;
}
#endif
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