/* Window definitions for GNU Emacs.
- Copyright (C) 1985-1986, 1993, 1995, 1997-2013 Free Software
+ Copyright (C) 1985-1986, 1993, 1995, 1997-2014 Free Software
Foundation, Inc.
This file is part of GNU Emacs.
/* An alist with parameters. */
Lisp_Object window_parameters;
- /* No Lisp data may follow below this point without changing
- mark_object in alloc.c. The member current_matrix must be the
- first non-Lisp member. */
-
/* Glyph matrices. */
struct glyph_matrix *current_matrix;
struct glyph_matrix *desired_matrix;
int header_line_height;
/* Z - the buffer position of the last glyph in the current
- matrix of W. Only valid if window_end_valid is nonzero. */
+ matrix of W. Only valid if window_end_valid is true. */
ptrdiff_t window_end_pos;
/* Glyph matrix row of the last glyph in the current matrix
- of W. Only valid if window_end_valid is nonzero. */
+ of W. Only valid if window_end_valid is true. */
int window_end_vpos;
- /* Non-zero if this window is a minibuffer window. */
- unsigned mini : 1;
+ /* True if this window is a minibuffer window. */
+ bool_bf mini : 1;
/* Meaningful only if contents is a window, non-zero if this
internal window is used in horizontal combination. */
- unsigned horizontal : 1;
+ bool_bf horizontal : 1;
- /* Non-zero means must regenerate mode line of this window. */
- unsigned update_mode_line : 1;
+ /* True means must regenerate mode line of this window. */
+ bool_bf update_mode_line : 1;
- /* Non-nil if the buffer was "modified" when the window
+ /* True if the buffer was "modified" when the window
was last updated. */
- unsigned last_had_star : 1;
+ bool_bf last_had_star : 1;
- /* Non-zero means current value of `start'
+ /* True means current value of `start'
was the beginning of a line when it was chosen. */
- unsigned start_at_line_beg : 1;
+ bool_bf start_at_line_beg : 1;
- /* Non-zero means next redisplay must use the value of start
+ /* True means next redisplay must use the value of start
set up for it in advance. Set by scrolling commands. */
- unsigned force_start : 1;
+ bool_bf force_start : 1;
- /* Non-zero means we have explicitly changed the value of start,
+ /* True means we have explicitly changed the value of start,
but that the next redisplay is not obliged to use the new value.
This is used in Fdelete_other_windows to force a call to
Vwindow_scroll_functions; also by Frecenter with argument. */
- unsigned optional_new_start : 1;
+ bool_bf optional_new_start : 1;
- /* Non-zero means the cursor is currently displayed. This can be
+ /* True means the cursor is currently displayed. This can be
set to zero by functions overpainting the cursor image. */
- unsigned phys_cursor_on_p : 1;
+ bool_bf phys_cursor_on_p : 1;
- /* 0 means cursor is logically on, 1 means it's off. Used for
+ /* False means cursor is logically on, true means it's off. Used for
blinking cursor. */
- unsigned cursor_off_p : 1;
+ bool_bf cursor_off_p : 1;
/* Value of cursor_off_p as of the last redisplay. */
- unsigned last_cursor_off_p : 1;
+ bool_bf last_cursor_off_p : 1;
- /* 1 means desired matrix has been build and window must be
+ /* True means desired matrix has been build and window must be
updated in update_frame. */
- unsigned must_be_updated_p : 1;
+ bool_bf must_be_updated_p : 1;
/* Flag indicating that this window is not a real one.
Currently only used for menu bar windows of frames. */
- unsigned pseudo_window_p : 1;
+ bool_bf pseudo_window_p : 1;
- /* Non-zero means fringes are drawn outside display margins.
+ /* True means fringes are drawn outside display margins.
Otherwise draw them between margin areas and text. */
- unsigned fringes_outside_margins : 1;
+ bool_bf fringes_outside_margins : 1;
- /* Nonzero if window_end_pos and window_end_vpos are truly valid.
- This is zero if nontrivial redisplay is preempted since in that case
+ /* True if window_end_pos and window_end_vpos are truly valid.
+ This is false if nontrivial redisplay is preempted since in that case
the frame image that window_end_pos did not get onto the frame. */
- unsigned window_end_valid : 1;
+ bool_bf window_end_valid : 1;
/* True if it needs to be redisplayed. */
- unsigned redisplay : 1;
+ bool_bf redisplay : 1;
/* Amount by which lines of this window are scrolled in
y-direction (smooth scrolling). */
int vscroll;
/* Z_BYTE - buffer position of the last glyph in the current matrix of W.
- Should be nonnegative, and only valid if window_end_valid is nonzero. */
+ Should be nonnegative, and only valid if window_end_valid is true. */
ptrdiff_t window_end_bytepos;
};
w->next_buffers = val;
}
-/* 1 if W is a minibuffer window. */
+/* True if W is a minibuffer window. */
#define MINI_WINDOW_P(W) ((W)->mini)
/* A handy macro. */
-/* Non-zero if W is leaf (carry the buffer). */
+/* Non-nil if W is leaf (carry the buffer). */
#define WINDOW_LEAF_P(W) \
(BUFFERP ((W)->contents))
-/* Non-zero if W is a member of horizontal combination. */
+/* True if W is a member of horizontal combination. */
#define WINDOW_HORIZONTAL_COMBINATION_P(W) \
(WINDOWP ((W)->contents) && (W)->horizontal)
-/* Non-zero if W is a member of vertical combination. */
+/* True if W is a member of vertical combination. */
#define WINDOW_VERTICAL_COMBINATION_P(W) \
(WINDOWP ((W)->contents) && !(W)->horizontal)
(FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \
+ WINDOW_RIGHT_PIXEL_EDGE (W))
-/* 1 if W is a menu bar window. */
+/* True if W is a menu bar window. */
#if defined (HAVE_X_WINDOWS) && ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
#define WINDOW_MENU_BAR_P(W) \
&& (W) == XWINDOW (WINDOW_XFRAME (W)->menu_bar_window))
#else
/* No menu bar windows if X toolkit is in use. */
-#define WINDOW_MENU_BAR_P(W) (0)
+#define WINDOW_MENU_BAR_P(W) false
#endif
-/* 1 if W is a tool bar window. */
+/* True if W is a tool bar window. */
#if defined (HAVE_WINDOW_SYSTEM) && ! defined (USE_GTK) && ! defined (HAVE_NS)
#define WINDOW_TOOL_BAR_P(W) \
(WINDOWP (WINDOW_XFRAME (W)->tool_bar_window) \
&& (W) == XWINDOW (WINDOW_XFRAME (W)->tool_bar_window))
#else
-#define WINDOW_TOOL_BAR_P(W) (0)
+#define WINDOW_TOOL_BAR_P(W) false
#endif
/* Return the frame y-position at which window W starts.
? 0 : FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W))) \
+ WINDOW_BOTTOM_PIXEL_EDGE (W))
-/* 1 if window W takes up the full width of its frame. */
+/* True if window W takes up the full width of its frame. */
#define WINDOW_FULL_WIDTH_P(W) \
(WINDOW_PIXEL_WIDTH (W) \
== (WINDOW_PIXEL_WIDTH \
(XWINDOW (FRAME_ROOT_WINDOW (WINDOW_XFRAME (W)))))) \
-/* 1 if window W's has no other windows to its left in its frame. */
+/* True if window W's has no other windows to its left in its frame. */
#define WINDOW_LEFTMOST_P(W) \
(WINDOW_LEFT_PIXEL_EDGE (W) == 0)
-/* 1 if window W's has no other windows to its right in its frame. */
+/* True if window W's has no other windows to its right in its frame. */
#define WINDOW_RIGHTMOST_P(W) \
(WINDOW_RIGHT_PIXEL_EDGE (W) \
== (WINDOW_RIGHT_PIXEL_EDGE \
(XWINDOW (FRAME_ROOT_WINDOW (WINDOW_XFRAME (W)))))) \
-/* 1 if window W's has no other windows below it in its frame
+/* True if window W's has no other windows below it in its frame
(the minibuffer window is not counted in this respect). */
#define WINDOW_BOTTOMMOST_P(W) \
(WINDOW_BOTTOM_PIXEL_EDGE (W) \
#define WINDOW_TEXT_TO_FRAME_PIXEL_X(W, X) \
(window_box_left ((W), TEXT_AREA) + (X))
-/* Nonzero if the background of the window W's fringe that is adjacent to
+/* True if the background of the window W's fringe that is adjacent to
a scroll bar is extended to the gap between the fringe and the bar. */
#define WINDOW_FRINGE_EXTENDED_P(w) \
HCoop / bpt / emacs.git / blobdiff