edge-resistance.c File Reference

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Data Structures

struct  ResistanceDataForAnEdge
struct  MetaEdgeResistanceData

Defines

#define WINDOW_EDGES_RELEVANT(window, display)

Typedefs

typedef struct
ResistanceDataForAnEdge 		ResistanceDataForAnEdge

Functions

static int find_index_of_edge_near_position (const GArray *edges, int position, gboolean want_interval_min, gboolean horizontal)
static gboolean points_on_same_side (int ref, int pt1, int pt2)
static int find_nearest_position (const GArray *edges, int position, int old_position, const MetaRectangle *new_rect, gboolean horizontal, gboolean only_forward)
static gboolean movement_towards_edge (MetaDirection side, int increment)
static gboolean edge_resistance_timeout (gpointer data)
static int apply_edge_resistance (MetaWindow *window, int old_pos, int new_pos, const MetaRectangle *old_rect, const MetaRectangle *new_rect, GArray *edges, ResistanceDataForAnEdge *resistance_data, GSourceFunc timeout_func, gboolean xdir, gboolean keyboard_op)
static int apply_edge_snapping (int old_pos, int new_pos, const MetaRectangle *new_rect, GArray *edges, gboolean xdir, gboolean keyboard_op)
static gboolean apply_edge_resistance_to_each_side (MetaDisplay *display, MetaWindow *window, const MetaRectangle *old_outer, MetaRectangle *new_outer, GSourceFunc timeout_func, gboolean auto_snap, gboolean keyboard_op, gboolean is_resize)
void meta_display_cleanup_edges (MetaDisplay *display)
static int stupid_sort_requiring_extra_pointer_dereference (gconstpointer a, gconstpointer b)
static void cache_edges (MetaDisplay *display, GList *window_edges, GList *xinerama_edges, GList *screen_edges)
static void initialize_grab_edge_resistance_data (MetaDisplay *display)
void meta_display_compute_resistance_and_snapping_edges (MetaDisplay *display)
void meta_window_edge_resistance_for_move (MetaWindow *window, int old_x, int old_y, int *new_x, int *new_y, GSourceFunc timeout_func, gboolean snap, gboolean is_keyboard_op)
void meta_window_edge_resistance_for_resize (MetaWindow *window, int old_width, int old_height, int *new_width, int *new_height, int gravity, GSourceFunc timeout_func, gboolean snap, gboolean is_keyboard_op)

Define Documentation

#define WINDOW_EDGES_RELEVANT ( window,
display   ) 

Value:

meta_window_should_be_showing (window) &&    \
  window->screen == display->grab_screen &&    \
  window         != display->grab_window &&    \
  window->type   != META_WINDOW_DESKTOP &&     \
  window->type   != META_WINDOW_MENU    &&     \
  window->type   != META_WINDOW_SPLASHSCREEN

Definition at line 33 of file edge-resistance.c.

Referenced by meta_display_compute_resistance_and_snapping_edges().

Typedef Documentation

typedef struct ResistanceDataForAnEdge ResistanceDataForAnEdge

Definition at line 51 of file edge-resistance.c.

Function Documentation

static int apply_edge_resistance ( MetaWindow *  window,
int  old_pos,
int  new_pos,
const MetaRectangle *  old_rect,
const MetaRectangle *  new_rect,
GArray *  edges,
ResistanceDataForAnEdge *  resistance_data,
GSourceFunc  timeout_func,
gboolean  xdir,
gboolean  keyboard_op 
) [static]

Definition at line 325 of file edge-resistance.c.

References edge_resistance_timeout(), _MetaEdge::edge_type, FALSE, find_index_of_edge_near_position(), META_EDGE_SCREEN, META_EDGE_WINDOW, META_EDGE_XINERAMA, meta_rectangle_edge_aligns(), movement_towards_edge(), _MetaEdge::rect, _MetaEdge::side_type, ResistanceDataForAnEdge::timeout_edge_pos, ResistanceDataForAnEdge::timeout_func, ResistanceDataForAnEdge::timeout_id, ResistanceDataForAnEdge::timeout_over, ResistanceDataForAnEdge::timeout_setup, TRUE, ResistanceDataForAnEdge::window, _MetaRectangle::x, and _MetaRectangle::y.

Referenced by apply_edge_resistance_to_each_side().

static gboolean apply_edge_resistance_to_each_side ( MetaDisplay *  display,
MetaWindow *  window,
const MetaRectangle *  old_outer,
MetaRectangle *  new_outer,
GSourceFunc  timeout_func,
gboolean  auto_snap,
gboolean  keyboard_op,
gboolean  is_resize 
) [static]

Definition at line 539 of file edge-resistance.c.

References apply_edge_resistance(), apply_edge_snapping(), MetaEdgeResistanceData::bottom_data, MetaEdgeResistanceData::bottom_edges, BOX_BOTTOM, BOX_LEFT, BOX_RIGHT, BOX_TOP, FALSE, _MetaDisplay::grab_edge_resistance_data, _MetaRectangle::height, MetaEdgeResistanceData::left_data, MetaEdgeResistanceData::left_edges, meta_rect(), meta_rectangle_equal(), NULL, MetaEdgeResistanceData::right_data, MetaEdgeResistanceData::right_edges, _MetaWindow::size_hints, MetaEdgeResistanceData::top_data, MetaEdgeResistanceData::top_edges, TRUE, _MetaRectangle::width, _MetaRectangle::x, and _MetaRectangle::y.

Referenced by meta_window_edge_resistance_for_move(), and meta_window_edge_resistance_for_resize().

static int apply_edge_snapping ( int  old_pos,
int  new_pos,
const MetaRectangle *  new_rect,
GArray *  edges,
gboolean  xdir,
gboolean  keyboard_op 
) [static]

Definition at line 497 of file edge-resistance.c.

References find_nearest_position().

Referenced by apply_edge_resistance_to_each_side().

static void cache_edges ( MetaDisplay *  display,
GList *  window_edges,
GList *  xinerama_edges,
GList *  screen_edges 
) [static]

Definition at line 762 of file edge-resistance.c.

References MetaEdgeResistanceData::bottom_edges, EDGE_LENGTH, FALSE, _MetaDisplay::grab_edge_resistance_data, MetaEdgeResistanceData::left_edges, META_DEBUG_EDGE_RESISTANCE, META_DIRECTION_BOTTOM, META_DIRECTION_LEFT, META_DIRECTION_RIGHT, META_DIRECTION_TOP, meta_is_verbose(), meta_rectangle_edge_list_to_string(), NULL, MetaEdgeResistanceData::right_edges, _MetaEdge::side_type, stupid_sort_requiring_extra_pointer_dereference(), and MetaEdgeResistanceData::top_edges.

Referenced by meta_display_compute_resistance_and_snapping_edges().

static gboolean edge_resistance_timeout ( gpointer  data  )  [static]

Definition at line 313 of file edge-resistance.c.

References FALSE, ResistanceDataForAnEdge::timeout_func, ResistanceDataForAnEdge::timeout_id, ResistanceDataForAnEdge::timeout_over, TRUE, and ResistanceDataForAnEdge::window.

Referenced by apply_edge_resistance().

static int find_index_of_edge_near_position ( const GArray *  edges,
int  position,
gboolean  want_interval_min,
gboolean  horizontal 
) [static]

Definition at line 70 of file edge-resistance.c.

References _MetaEdge::rect, _MetaRectangle::x, and _MetaRectangle::y.

Referenced by apply_edge_resistance().

static int find_nearest_position ( const GArray *  edges,
int  position,
int  old_position,
const MetaRectangle *  new_rect,
gboolean  horizontal,
gboolean  only_forward 
) [static]

Definition at line 179 of file edge-resistance.c.

References meta_rectangle_edge_aligns(), meta_rectangle_horiz_overlap(), meta_rectangle_vert_overlap(), points_on_same_side(), _MetaEdge::rect, _MetaRectangle::x, and _MetaRectangle::y.

Referenced by apply_edge_snapping().

static void initialize_grab_edge_resistance_data ( MetaDisplay *  display  )  [static]

Definition at line 926 of file edge-resistance.c.

References MetaEdgeResistanceData::bottom_data, FALSE, _MetaDisplay::grab_edge_resistance_data, ResistanceDataForAnEdge::keyboard_buildup, MetaEdgeResistanceData::left_data, MetaEdgeResistanceData::right_data, ResistanceDataForAnEdge::timeout_setup, and MetaEdgeResistanceData::top_data.

Referenced by meta_display_compute_resistance_and_snapping_edges().

void meta_display_cleanup_edges ( MetaDisplay *  display  ) 

Definition at line 668 of file edge-resistance.c.

References MetaEdgeResistanceData::bottom_data, MetaEdgeResistanceData::bottom_edges, _MetaEdge::edge_type, _MetaDisplay::grab_edge_resistance_data, MetaEdgeResistanceData::left_data, MetaEdgeResistanceData::left_edges, META_DIRECTION_BOTTOM, META_DIRECTION_LEFT, META_DIRECTION_RIGHT, META_DIRECTION_TOP, META_EDGE_WINDOW, NULL, MetaEdgeResistanceData::right_data, MetaEdgeResistanceData::right_edges, _MetaEdge::side_type, ResistanceDataForAnEdge::timeout_id, ResistanceDataForAnEdge::timeout_setup, MetaEdgeResistanceData::top_data, MetaEdgeResistanceData::top_edges, and TRUE.

Referenced by meta_display_end_grab_op().

void meta_display_compute_resistance_and_snapping_edges ( MetaDisplay *  display  ) 

Definition at line 942 of file edge-resistance.c.

References _MetaScreen::active_workspace, cache_edges(), _MetaEdge::edge_type, _MetaDisplay::grab_screen, _MetaRectangle::height, initialize_grab_edge_resistance_data(), META_DIRECTION_BOTTOM, META_DIRECTION_LEFT, META_DIRECTION_RIGHT, META_DIRECTION_TOP, META_EDGE_WINDOW, meta_rectangle_edge_cmp(), meta_rectangle_intersect(), meta_rectangle_remove_intersections_with_boxes_from_edges(), meta_stack_list_windows(), META_WINDOW_DOCK, meta_window_get_outer_rect(), NULL, _MetaEdge::rect, _MetaScreen::rect, _MetaWorkspace::screen_edges, _MetaEdge::side_type, _MetaScreen::stack, _MetaWindow::type, _MetaRectangle::width, WINDOW_EDGES_RELEVANT, _MetaRectangle::x, _MetaWorkspace::xinerama_edges, and _MetaRectangle::y.

Referenced by meta_display_begin_grab_op().

void meta_window_edge_resistance_for_move ( MetaWindow *  window,
int  old_x,
int  old_y,
int *  new_x,
int *  new_y,
GSourceFunc  timeout_func,
gboolean  snap,
gboolean  is_keyboard_op 
)

Definition at line 1132 of file edge-resistance.c.

References apply_edge_resistance_to_each_side(), BOX_BOTTOM, BOX_LEFT, BOX_RIGHT, BOX_TOP, _MetaWindow::display, FALSE, _MetaDisplay::grab_last_user_action_was_snap, _MetaDisplay::grab_window, _MetaDisplay::grab_wireframe_active, _MetaDisplay::grab_wireframe_rect, META_DEBUG_EDGE_RESISTANCE, meta_window_get_outer_rect(), meta_window_get_xor_rect(), _MetaRectangle::x, and _MetaRectangle::y.

Referenced by process_keyboard_move_grab(), and update_move().

void meta_window_edge_resistance_for_resize ( MetaWindow *  window,
int  old_width,
int  old_height,
int *  new_width,
int *  new_height,
int  gravity,
GSourceFunc  timeout_func,
gboolean  snap,
gboolean  is_keyboard_op 
)

Definition at line 1225 of file edge-resistance.c.

References apply_edge_resistance_to_each_side(), _MetaWindow::display, _MetaDisplay::grab_last_user_action_was_snap, _MetaDisplay::grab_window, _MetaDisplay::grab_wireframe_active, _MetaDisplay::grab_wireframe_rect, _MetaRectangle::height, META_DEBUG_EDGE_RESISTANCE, meta_rectangle_resize_with_gravity(), meta_window_get_outer_rect(), meta_window_get_xor_rect(), TRUE, and _MetaRectangle::width.

Referenced by process_keyboard_resize_grab(), and update_resize().

static gboolean movement_towards_edge ( MetaDirection  side,
int  increment 
) [static]

Definition at line 297 of file edge-resistance.c.

References META_DIRECTION_BOTTOM, META_DIRECTION_LEFT, META_DIRECTION_RIGHT, and META_DIRECTION_TOP.

Referenced by apply_edge_resistance().

static gboolean points_on_same_side ( int  ref,
int  pt1,
int  pt2 
) [static]

Definition at line 173 of file edge-resistance.c.

Referenced by find_nearest_position().

static int stupid_sort_requiring_extra_pointer_dereference ( gconstpointer  a,
gconstpointer  b 
) [static]

Definition at line 753 of file edge-resistance.c.

References meta_rectangle_edge_cmp_ignore_type().

Referenced by cache_edges().

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