#include "dispextern.h"
+extern Lisp_Object Qleft, Qright;
+
/* Windows are allocated as if they were vectors, but then the
Lisp data type is changed to Lisp_Window. They are garbage
collected along with the vectors.
Lisp_Object parent;
/* The upper left corner coordinates of this window,
as integers relative to upper left corner of frame = 0, 0 */
- Lisp_Object left;
- Lisp_Object top;
+ Lisp_Object left_col;
+ Lisp_Object top_line;
/* The size of the window */
- Lisp_Object height;
- Lisp_Object width;
+ Lisp_Object total_lines;
+ Lisp_Object total_cols;
/* The buffer displayed in this window */
/* Of the fields vchild, hchild and buffer, only one is non-nil. */
Lisp_Object buffer;
/* Width of left and right marginal areas. A value of nil means
no margin. */
- Lisp_Object left_margin_width;
- Lisp_Object right_margin_width;
+ Lisp_Object left_margin_cols, right_margin_cols;
+
+ /* Width of left and right fringes.
+ A value of nil or t means use frame values. */
+ Lisp_Object left_fringe_width, right_fringe_width;
+
+ /* Non-nil means fringes are drawn outside display margins;
+ othersize draw them between margin areas and text. */
+ Lisp_Object fringes_outside_margins;
+
+ /* Pixel width of scroll bars.
+ A value of nil or t means use frame values. */
+ Lisp_Object scroll_bar_width;
+ /* Type of vertical scroll bar. A value of nil means
+ no scroll bar. A value of t means use frame value. */
+ Lisp_Object vertical_scroll_bar_type;
-/* The rest are currently not used or only half used */
/* Frame coords of mark as of last time display completed */
/* May be nil if mark does not exist or was not on frame */
Lisp_Object last_mark_x;
/* Original window height and top before mini-window was
enlarged. */
- Lisp_Object orig_height, orig_top;
+ Lisp_Object orig_total_lines, orig_top_line;
/* No Lisp data may follow below this point without changing
mark_object in alloc.c. The member current_matrix must be the
#define MINI_WINDOW_P(W) (!NILP ((W)->mini_p))
-/* Return the window column at which the text in window W starts.
- This is different from the `left' field because it does not include
- a left-hand scroll bar if any. */
+/* General window layout:
+
+ LEFT_EDGE_COL RIGHT_EDGE_COL
+ | |
+ | |
+ | BOX_LEFT_EDGE_COL |
+ | | BOX_RIGHT_EDGE_COL |
+ | | | |
+ v v v v
+ <-><-><---><-----------><---><-><->
+ ^ ^ ^ ^ ^ ^ ^
+ | | | | | | |
+ | | | | | | +-- RIGHT_SCROLL_BAR_COLS
+ | | | | | +----- RIGHT_FRINGE_WIDTH
+ | | | | +--------- RIGHT_MARGIN_COLS
+ | | | |
+ | | | +------------------ TEXT_AREA_COLS
+ | | |
+ | | +--------------------------- LEFT_MARGIN_COLS
+ | +------------------------------- LEFT_FRINGE_WIDTH
+ +---------------------------------- LEFT_SCROLL_BAR_COLS
+
+*/
+
+
+/* A handy macro. */
+
+#define WINDOW_XFRAME(W) \
+ (XFRAME (WINDOW_FRAME ((W))))
+
+/* Return the canonical column width of the frame of window W. */
+
+#define WINDOW_FRAME_COLUMN_WIDTH(W) \
+ (FRAME_COLUMN_WIDTH (WINDOW_XFRAME ((W))))
+
+/* Return the canonical column width of the frame of window W. */
+
+#define WINDOW_FRAME_LINE_HEIGHT(W) \
+ (FRAME_LINE_HEIGHT (WINDOW_XFRAME ((W))))
+
+
+/* Return the frame width in canonical column units.
+ This includes scroll bars and fringes. */
-#define WINDOW_LEFT_MARGIN(W) \
- (XFASTINT ((W)->left) \
- + FRAME_LEFT_SCROLL_BAR_WIDTH (XFRAME (WINDOW_FRAME (W))))
+#define WINDOW_TOTAL_COLS(W) \
+ (XFASTINT ((W)->total_cols))
-/* Return the window column before which window W ends.
+/* Return the frame height in canonical line units.
+ This includes header and mode lines, if any. */
+
+#define WINDOW_TOTAL_LINES(W) \
+ (XFASTINT ((W)->total_lines))
+
+
+/* Return the total pixel width of window W. */
+
+#define WINDOW_TOTAL_WIDTH(W) \
+ (WINDOW_TOTAL_COLS (W) * WINDOW_FRAME_COLUMN_WIDTH (W))
+
+/* Return the total pixel height of window W. */
+
+#define WINDOW_TOTAL_HEIGHT(W) \
+ (WINDOW_TOTAL_LINES (W) * WINDOW_FRAME_LINE_HEIGHT (W))
+
+
+/* Return the canonical frame column at which window W starts.
+ This includes a left-hand scroll bar, if any. */
+
+#define WINDOW_LEFT_EDGE_COL(W) \
+ (XFASTINT ((W)->left_col))
+
+/* Return the canonical frame column before which window W ends.
This includes a right-hand scroll bar, if any. */
-#define WINDOW_RIGHT_EDGE(W) \
- (XFASTINT ((W)->left) + XFASTINT ((W)->width))
+#define WINDOW_RIGHT_EDGE_COL(W) \
+ (WINDOW_LEFT_EDGE_COL (W) + WINDOW_TOTAL_COLS (W))
-/* Return the window column before which the text in window W ends.
- This is different from WINDOW_RIGHT_EDGE because it does not include
- a scroll bar or window-separating line on the right edge. */
+/* Return the canonical frame line at which window W starts.
+ This includes a header line, if any. */
+
+#define WINDOW_TOP_EDGE_LINE(W) \
+ (XFASTINT ((W)->top_line))
+
+/* Return the canonical frame line before which window W ends.
+ This includes a mode line, if any. */
+
+#define WINDOW_BOTTOM_EDGE_LINE(W) \
+ (WINDOW_TOP_EDGE_LINE (W) + WINDOW_TOTAL_LINES (W))
+
+
+/* Return the frame x-position at which window W starts.
+ This includes a left-hand scroll bar, if any. */
+
+#define WINDOW_LEFT_EDGE_X(W) \
+ (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \
+ + WINDOW_LEFT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W))
+
+/* Return the frame x- position before which window W ends.
+ This includes a right-hand scroll bar, if any. */
+
+#define WINDOW_RIGHT_EDGE_X(W) \
+ (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \
+ + WINDOW_RIGHT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W))
+
+/* Return the frame y-position at which window W starts.
+ This includes a header line, if any. */
+
+#define WINDOW_TOP_EDGE_Y(W) \
+ (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \
+ + WINDOW_TOP_EDGE_LINE (W) * WINDOW_FRAME_LINE_HEIGHT (W))
+
+/* Return the frame y-position before which window W ends.
+ This includes a mode line, if any. */
+
+#define WINDOW_BOTTOM_EDGE_Y(W) \
+ (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \
+ + WINDOW_BOTTOM_EDGE_LINE (W) * WINDOW_FRAME_LINE_HEIGHT (W))
-#define WINDOW_RIGHT_MARGIN(W) \
- (WINDOW_RIGHT_EDGE (W) \
- - (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (XFRAME (WINDOW_FRAME (W))) \
- ? FRAME_SCROLL_BAR_COLS (XFRAME (WINDOW_FRAME (W))) \
- : 0))
/* 1 if window W takes up the full width of its frame. */
#define WINDOW_FULL_WIDTH_P(W) \
- (XFASTINT ((W)->width) == FRAME_WINDOW_WIDTH (XFRAME (WINDOW_FRAME (W))))
+ (WINDOW_TOTAL_COLS (W) == FRAME_TOTAL_COLS (WINDOW_XFRAME (W)))
+
+/* 1 if window W's has no other windows to its left in its frame. */
+
+#define WINDOW_LEFTMOST_P(W) \
+ (WINDOW_LEFT_EDGE_COL (W) == 0)
/* 1 if window W's has no other windows to its right in its frame. */
#define WINDOW_RIGHTMOST_P(W) \
- (WINDOW_RIGHT_EDGE (W) == FRAME_WINDOW_WIDTH (XFRAME (WINDOW_FRAME (W))))
+ (WINDOW_RIGHT_EDGE_COL (W) == FRAME_TOTAL_COLS (WINDOW_XFRAME (W)))
+
+
+/* Return the frame column at which the text (or left fringe) in
+ window W starts. This is different from the `LEFT_EDGE' because it
+ does not include a left-hand scroll bar if any. */
+
+#define WINDOW_BOX_LEFT_EDGE_COL(W) \
+ (WINDOW_LEFT_EDGE_COL (W) \
+ + WINDOW_LEFT_SCROLL_BAR_COLS (W))
+
+/* Return the window column before which the text in window W ends.
+ This is different from WINDOW_RIGHT_EDGE_COL because it does not
+ include a scroll bar or window-separating line on the right edge. */
+
+#define WINDOW_BOX_RIGHT_EDGE_COL(W) \
+ (WINDOW_RIGHT_EDGE_COL (W) \
+ - WINDOW_RIGHT_SCROLL_BAR_COLS (W))
+
+
+/* Return the frame position at which the text (or left fringe) in
+ window W starts. This is different from the `LEFT_EDGE' because it
+ does not include a left-hand scroll bar if any. */
+
+#define WINDOW_BOX_LEFT_EDGE_X(W) \
+ (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \
+ + WINDOW_BOX_LEFT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W))
+
+/* Return the window column before which the text in window W ends.
+ This is different from WINDOW_RIGHT_EDGE_COL because it does not
+ include a scroll bar or window-separating line on the right edge. */
+
+#define WINDOW_BOX_RIGHT_EDGE_X(W) \
+ (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \
+ + WINDOW_BOX_RIGHT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W))
+
+
+/* Width of left margin area in columns. */
+
+#define WINDOW_LEFT_MARGIN_COLS(W) \
+ (NILP ((W)->left_margin_cols) \
+ ? 0 \
+ : XINT ((W)->left_margin_cols))
+/* Width of right marginal area in columns. */
+
+#define WINDOW_RIGHT_MARGIN_COLS(W) \
+ (NILP ((W)->right_margin_cols) \
+ ? 0 \
+ : XINT ((W)->right_margin_cols))
+
+/* Width of left margin area in pixels. */
+
+#define WINDOW_LEFT_MARGIN_WIDTH(W) \
+ (NILP ((W)->left_margin_cols) \
+ ? 0 \
+ : (XINT ((W)->left_margin_cols) \
+ * WINDOW_FRAME_COLUMN_WIDTH (W)))
+
+/* Width of right marginal area in pixels. */
+
+#define WINDOW_RIGHT_MARGIN_WIDTH(W) \
+ (NILP ((W)->right_margin_cols) \
+ ? 0 \
+ : (XINT ((W)->right_margin_cols) \
+ * WINDOW_FRAME_COLUMN_WIDTH (W)))
+
+/* Total width of fringes reserved for drawing truncation bitmaps,
+ continuation bitmaps and alike. The width is in canonical char
+ units of the frame. This must currently be the case because window
+ sizes aren't pixel values. If it weren't the case, we wouldn't be
+ able to split windows horizontally nicely. */
+
+#define WINDOW_FRINGE_COLS(W) \
+ ((INTEGERP ((W)->left_fringe_width) \
+ || INTEGERP ((W)->right_fringe_width)) \
+ ? ((WINDOW_LEFT_FRINGE_WIDTH (W) \
+ + WINDOW_RIGHT_FRINGE_WIDTH (W) \
+ + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
+ / WINDOW_FRAME_COLUMN_WIDTH (W)) \
+ : FRAME_FRINGE_COLS (WINDOW_XFRAME (W)))
+
+/* Column-width of the left and right fringe. */
+
+#define WINDOW_LEFT_FRINGE_COLS(W) \
+ ((WINDOW_LEFT_FRINGE_WIDTH ((W)) \
+ + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
+ / WINDOW_FRAME_COLUMN_WIDTH (W))
+
+#define WINDOW_RIGHT_FRINGE_COLS(W) \
+ ((WINDOW_RIGHT_FRINGE_WIDTH ((W)) \
+ + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
+ / WINDOW_FRAME_COLUMN_WIDTH (W))
+
+/* Pixel-width of the left and right fringe. */
+
+#define WINDOW_LEFT_FRINGE_WIDTH(W) \
+ (INTEGERP ((W)->left_fringe_width) \
+ ? XFASTINT ((W)->left_fringe_width) \
+ : FRAME_LEFT_FRINGE_WIDTH (WINDOW_XFRAME (W)))
+
+#define WINDOW_RIGHT_FRINGE_WIDTH(W) \
+ (INTEGERP ((W)->right_fringe_width) \
+ ? XFASTINT ((W)->right_fringe_width) \
+ : FRAME_RIGHT_FRINGE_WIDTH (WINDOW_XFRAME (W)))
+
+/* Total width of fringes in pixels. */
+
+#define WINDOW_TOTAL_FRINGE_WIDTH(W) \
+ (WINDOW_LEFT_FRINGE_WIDTH (W) + WINDOW_RIGHT_FRINGE_WIDTH (W))
+
+/* Are fringes outside display margins in window W. */
+
+#define WINDOW_HAS_FRINGES_OUTSIDE_MARGINS(W) \
+ (!NILP ((W)->fringes_outside_margins))
+
+/* Say whether scroll bars are currently enabled for window W,
+ and which side they are on. */
+
+#define WINDOW_VERTICAL_SCROLL_BAR_TYPE(w) \
+ (EQ ((w)->vertical_scroll_bar_type, Qt) \
+ ? FRAME_VERTICAL_SCROLL_BAR_TYPE (WINDOW_XFRAME (w)) \
+ : EQ ((w)->vertical_scroll_bar_type, Qleft) \
+ ? vertical_scroll_bar_left \
+ : EQ ((w)->vertical_scroll_bar_type, Qright) \
+ ? vertical_scroll_bar_right \
+ : vertical_scroll_bar_none) \
+
+#define WINDOW_HAS_VERTICAL_SCROLL_BAR(w) \
+ (EQ ((w)->vertical_scroll_bar_type, Qt) \
+ ? FRAME_HAS_VERTICAL_SCROLL_BARS (WINDOW_XFRAME (w)) \
+ : !NILP ((w)->vertical_scroll_bar_type))
+
+#define WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT(w) \
+ (EQ ((w)->vertical_scroll_bar_type, Qt) \
+ ? FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (WINDOW_XFRAME (w)) \
+ : EQ ((w)->vertical_scroll_bar_type, Qleft))
+
+#define WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT(w) \
+ (EQ ((w)->vertical_scroll_bar_type, Qt) \
+ ? FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (WINDOW_XFRAME (w))\
+ : EQ ((w)->vertical_scroll_bar_type, Qright))
+
+/* Width that a scroll bar in window W should have, if there is one.
+ Measured in pixels. If scroll bars are turned off, this is still
+ nonzero. */
+
+#define WINDOW_CONFIG_SCROLL_BAR_WIDTH(w) \
+ (INTEGERP ((w)->scroll_bar_width) \
+ ? XFASTINT ((w)->scroll_bar_width) \
+ : FRAME_CONFIG_SCROLL_BAR_WIDTH (WINDOW_XFRAME (w)))
+
+/* Width that a scroll bar in window W should have, if there is one.
+ Measured in columns (characters). If scroll bars are turned off,
+ this is still nonzero. */
+
+#define WINDOW_CONFIG_SCROLL_BAR_COLS(w) \
+ (INTEGERP ((w)->scroll_bar_width) \
+ ? ((XFASTINT ((w)->scroll_bar_width) \
+ + WINDOW_FRAME_COLUMN_WIDTH (w) - 1) \
+ / WINDOW_FRAME_COLUMN_WIDTH (w)) \
+ : FRAME_CONFIG_SCROLL_BAR_COLS (WINDOW_XFRAME (w)))
+
+/* Width of a scroll bar in window W, measured in columns (characters),
+ but only if scroll bars are on the left. If scroll bars are on
+ the right in this frame, or there are no scroll bars, value is 0. */
+
+#define WINDOW_LEFT_SCROLL_BAR_COLS(w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \
+ ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w)) \
+ : 0)
+
+/* Width of a left scroll bar area in window W , measured in pixels. */
+
+#define WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH(w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \
+ ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \
+ : 0)
+
+/* Width of a scroll bar in window W, measured in columns (characters),
+ but only if scroll bars are on the right. If scroll bars are on
+ the left in this frame, or there are no scroll bars, value is 0. */
+
+#define WINDOW_RIGHT_SCROLL_BAR_COLS(w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w) \
+ ? WINDOW_CONFIG_SCROLL_BAR_COLS (w) \
+ : 0)
+
+/* Width of a left scroll bar area in window W , measured in pixels. */
+
+#define WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH(w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w) \
+ ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \
+ : 0)
+
+
+/* Actual width of a scroll bar in window W, measured in columns. */
+
+#define WINDOW_SCROLL_BAR_COLS(w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR (w) \
+ ? WINDOW_CONFIG_SCROLL_BAR_COLS (w) \
+ : 0)
+
+/* Width of a left scroll bar area in window W , measured in pixels. */
+
+#define WINDOW_SCROLL_BAR_AREA_WIDTH(w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR (w) \
+ ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \
+ : 0)
+
+
+/* Return the frame position where the scroll bar of window W starts. */
+
+#define WINDOW_SCROLL_BAR_AREA_X(W) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (W) \
+ ? WINDOW_BOX_RIGHT_EDGE_X (W) \
+ : WINDOW_LEFT_EDGE_X (W))
+
+
+/* Height in pixels, and in lines, of the mode line.
+ May be zero if W doesn't have a mode line. */
+
+#define WINDOW_MODE_LINE_HEIGHT(W) \
+ (WINDOW_WANTS_MODELINE_P ((W)) \
+ ? CURRENT_MODE_LINE_HEIGHT (W) \
+ : 0)
+
+#define WINDOW_MODE_LINE_LINES(W) \
+ (!! WINDOW_WANTS_MODELINE_P ((W)))
+
+/* Height in pixels, and in lines, of the header line.
+ Zero if W doesn't have a header line. */
+
+#define WINDOW_HEADER_LINE_HEIGHT(W) \
+ (WINDOW_WANTS_HEADER_LINE_P ((W)) \
+ ? CURRENT_HEADER_LINE_HEIGHT (W) \
+ : 0)
+
+#define WINDOW_HEADER_LINE_LINES(W) \
+ (!! WINDOW_WANTS_HEADER_LINE_P ((W)))
+
+/* Pixel height of window W without mode line. */
+
+#define WINDOW_BOX_HEIGHT_NO_MODE_LINE(W) \
+ (WINDOW_TOTAL_HEIGHT ((W)) \
+ - WINDOW_MODE_LINE_HEIGHT ((W)))
+
+/* Pixel height of window W without mode and header line. */
+
+#define WINDOW_BOX_TEXT_HEIGHT(W) \
+ (WINDOW_TOTAL_HEIGHT ((W)) \
+ - WINDOW_MODE_LINE_HEIGHT ((W)) \
+ - WINDOW_HEADER_LINE_HEIGHT ((W)))
+
+
+/* Convert window W relative pixel X to frame pixel coordinates. */
+
+#define WINDOW_TO_FRAME_PIXEL_X(W, X) \
+ ((X) + WINDOW_BOX_LEFT_EDGE_X ((W)))
+
+/* Convert window W relative pixel Y to frame pixel coordinates. */
+
+#define WINDOW_TO_FRAME_PIXEL_Y(W, Y) \
+ ((Y) + WINDOW_TOP_EDGE_Y ((W)))
+
+/* Convert frame relative pixel X to window relative pixel X. */
+
+#define FRAME_TO_WINDOW_PIXEL_X(W, X) \
+ ((X) - WINDOW_BOX_LEFT_EDGE_X ((W)))
+
+/* Convert frame relative pixel Y to window relative pixel Y. */
+
+#define FRAME_TO_WINDOW_PIXEL_Y(W, Y) \
+ ((Y) - WINDOW_TOP_EDGE_Y ((W)))
+
+/* Convert a text area relative x-position in window W to frame X
+ pixel coordinates. */
+
+#define WINDOW_TEXT_TO_FRAME_PIXEL_X(W, X) \
+ (window_box_left ((W), TEXT_AREA) + (X))
/* This is the window in which the terminal's cursor should
be left when nothing is being done with it. This must
EXFUN (Fnext_window, 3);
EXFUN (Fselect_window, 2);
EXFUN (Fdisplay_buffer, 3);
-EXFUN (Fset_window_buffer, 2);
+EXFUN (Fset_window_buffer, 3);
EXFUN (Fset_window_hscroll, 2);
EXFUN (Fwindow_hscroll, 1);
EXFUN (Fset_window_vscroll, 2);
extern Lisp_Object make_window P_ ((void));
extern void delete_window P_ ((Lisp_Object));
extern Lisp_Object window_from_coordinates P_ ((struct frame *, int, int,
- enum window_part *, int));
+ enum window_part *,
+ int *, int*, int));
EXFUN (Fwindow_dedicated_p, 1);
extern int window_height P_ ((Lisp_Object));
extern int window_width P_ ((Lisp_Object));
it's not allowed. */
void set_window_buffer P_ ((Lisp_Object window, Lisp_Object buffer,
- int run_hooks_p));
+ int run_hooks_p, int keep_margins_p));
/* Prompt to display in front of the minibuffer contents. */
extern void syms_of_window P_ ((void));
extern void keys_of_window P_ ((void));
+extern int window_box_text_cols P_ ((struct window *w));
#endif /* not WINDOW_H_INCLUDED */
+
+/* arch-tag: d4a6942f-e433-4ffe-ac10-2c3574f28577
+ (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff