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window: Allow resizing of tiled windows

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Currently tiled windows are not resizable and their size is fixed
to half the screen width. Adjust the code to work with fractions
other than half, and allow users to adjust the split by dragging
the window edge that is not constrained by a monitor edge.

Follow-up patches will improve on that by resizing neighboring
tiled windows by a shared edge, and making the functionality
available to client-side decorated windows implementing the
new edge constraints protocol.
This commit is contained in:
Florian Müllner 2017-09-27 14:37:57 +02:00 committed by Georges Basile Stavracas Neto
parent c7fa57cd28
commit 00a5db71cf
4 changed files with 74 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/core/keybindings.c
View File

@ -2239,7 +2239,10 @@ process_mouse_move_resize_grab (MetaDisplay *display,
if (window->shaken_loose || tile_mode == META_TILE_MAXIMIZED)
meta_window_maximize (window, META_MAXIMIZE_BOTH);
else if (tile_mode != META_TILE_NONE)
meta_window_tile (window, tile_mode);
meta_window_restore_tile (window,
tile_mode,
display->grab_initial_window_pos.width,
display->grab_initial_window_pos.height);
else
meta_window_move_resize_frame (display->grab_window,
TRUE,

8
src/core/window-private.h
View File

@ -207,6 +207,8 @@ struct _MetaWindow
int tile_monitor_number;
int preferred_output_winsys_id;
double tile_hfraction;
/* Whether we're shaded */
guint shaded : 1;
@ -557,7 +559,7 @@ struct _MetaWindowClass
#define META_WINDOW_TILED_MAXIMIZED(w)(META_WINDOW_MAXIMIZED(w) && \
(w)->tile_mode == META_TILE_MAXIMIZED)
#define META_WINDOW_ALLOWS_MOVE(w) ((w)->has_move_func && !(w)->fullscreen)
#define META_WINDOW_ALLOWS_RESIZE_EXCEPT_HINTS(w) ((w)->has_resize_func && !META_WINDOW_MAXIMIZED (w) && !META_WINDOW_TILED_SIDE_BY_SIDE(w) && !(w)->fullscreen && !(w)->shaded)
#define META_WINDOW_ALLOWS_RESIZE_EXCEPT_HINTS(w) ((w)->has_resize_func && !META_WINDOW_MAXIMIZED (w) && !(w)->fullscreen && !(w)->shaded)
#define META_WINDOW_ALLOWS_RESIZE(w) (META_WINDOW_ALLOWS_RESIZE_EXCEPT_HINTS (w) && \
(((w)->size_hints.min_width < (w)->size_hints.max_width) || \
((w)->size_hints.min_height < (w)->size_hints.max_height)))
@ -579,6 +581,10 @@ void meta_window_queue (MetaWindow *window,
guint queuebits);
void meta_window_tile (MetaWindow *window,
MetaTileMode mode);
void meta_window_restore_tile (MetaWindow *window,
MetaTileMode mode,
int width,
int height);
void meta_window_maximize_internal (MetaWindow *window,
MetaMaximizeFlags directions,
MetaRectangle *saved_rect);

62
src/core/window.c
View File

@ -1017,6 +1017,7 @@ _meta_window_shared_new (MetaDisplay *display,
window->on_all_workspaces_requested = FALSE;
window->tile_mode = META_TILE_NONE;
window->tile_monitor_number = -1;
window->tile_hfraction = -1.;
window->shaded = FALSE;
window->initially_iconic = FALSE;
window->minimized = FALSE;
@ -2968,6 +2969,42 @@ meta_window_requested_dont_bypass_compositor (MetaWindow *window)
return window->bypass_compositor == _NET_WM_BYPASS_COMPOSITOR_HINT_OFF;
}
static void
meta_window_get_tile_fraction (MetaWindow *window,
MetaTileMode tile_mode,
double *fraction)
{
if (tile_mode == META_TILE_NONE)
*fraction = -1.;
else if (tile_mode == META_TILE_MAXIMIZED)
*fraction = 1.;
else if (META_WINDOW_TILED_SIDE_BY_SIDE (window))
{
if (window->tile_mode != tile_mode)
*fraction = 1. - window->tile_hfraction;
else
*fraction = window->tile_hfraction;
}
else
*fraction = .5;
}
static void
meta_window_update_tile_fraction (MetaWindow *window,
int new_w,
int new_h)
{
MetaRectangle work_area;
if (!META_WINDOW_TILED_SIDE_BY_SIDE (window))
return;
meta_window_get_work_area_for_monitor (window,
window->tile_monitor_number,
&work_area);
window->tile_hfraction = (double)new_w / work_area.width;
}
void
meta_window_tile (MetaWindow *window,
MetaTileMode tile_mode)
@ -2975,6 +3012,7 @@ meta_window_tile (MetaWindow *window,
MetaMaximizeFlags directions;
MetaRectangle old_frame_rect, old_buffer_rect;
meta_window_get_tile_fraction (window, tile_mode, &window->tile_hfraction);
window->tile_mode = tile_mode;
/* Don't do anything if no tiling is requested */
@ -3007,6 +3045,16 @@ meta_window_tile (MetaWindow *window,
meta_frame_queue_draw (window->frame);
}
void
meta_window_restore_tile (MetaWindow *window,
MetaTileMode mode,
int width,
int height)
{
meta_window_update_tile_fraction (window, width, height);
meta_window_tile (window, mode);
}
static gboolean
meta_window_can_tile_maximized (MetaWindow *window)
{
@ -4026,6 +4074,9 @@ meta_window_resize_frame_with_gravity (MetaWindow *window,
rect.width = w;
rect.height = h;
if (user_op)
meta_window_update_tile_fraction (window, w, h);
flags = (user_op ? META_MOVE_RESIZE_USER_ACTION : 0) | META_MOVE_RESIZE_RESIZE_ACTION;
meta_window_move_resize_internal (window, flags, gravity, rect);
}
@ -6349,19 +6400,22 @@ meta_window_get_tile_area (MetaWindow *window,
MetaTileMode tile_mode,
MetaRectangle *tile_area)
{
MetaRectangle work_area;
int tile_monitor_number;
double fraction;
g_return_if_fail (tile_mode != META_TILE_NONE);
tile_monitor_number = meta_window_get_current_tile_monitor_number (window);
meta_window_get_work_area_for_monitor (window, tile_monitor_number, tile_area);
meta_window_get_work_area_for_monitor (window, tile_monitor_number, &work_area);
meta_window_get_tile_fraction (window, tile_mode, &fraction);
if (tile_mode == META_TILE_LEFT || tile_mode == META_TILE_RIGHT)
tile_area->width /= 2;
*tile_area = work_area;
tile_area->width = round (tile_area->width * fraction);
if (tile_mode == META_TILE_RIGHT)
tile_area->x += tile_area->width;
tile_area->x += work_area.width - tile_area->width;
}
gboolean

7
src/ui/frames.c
View File

@ -1621,6 +1621,9 @@ get_control (MetaUIFrame *frame, int root_x, int root_y)
has_vert = (flags & META_FRAME_ALLOWS_VERTICAL_RESIZE) != 0;
has_horiz = (flags & META_FRAME_ALLOWS_HORIZONTAL_RESIZE) != 0;
if (flags & META_FRAME_TILED_LEFT || flags & META_FRAME_TILED_RIGHT)
has_vert = has_horiz = FALSE;
if (POINT_IN_RECT (x, y, fgeom.title_rect))
{
if (has_vert && y <= TOP_RESIZE_HEIGHT && has_north_resize)
@ -1693,12 +1696,12 @@ get_control (MetaUIFrame *frame, int root_x, int root_y)
}
else if (x <= fgeom.borders.total.left)
{
if (has_horiz)
if (has_horiz || flags & META_FRAME_TILED_RIGHT)
return META_FRAME_CONTROL_RESIZE_W;
}
else if (x >= (fgeom.width - fgeom.borders.total.right))
{
if (has_horiz)
if (has_horiz || flags & META_FRAME_TILED_LEFT)
return META_FRAME_CONTROL_RESIZE_E;
}