From: Gerd Moellmann Date: Wed, 26 Sep 2001 11:15:40 +0000 (+0000) Subject: (required_matrix_width, required_matrix_height): New X-Git-Tag: emacs-21.1~162 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=5d3cc43c0c7f9959dbb57d914655cd5f5ad74b71;p=emacs.git (required_matrix_width, required_matrix_height): New functions. (allocate_matrices_for_window_redisplay) (allocate_matrices_for_frame_redisplay: Use them. Remove parameters CH_DIM. --- diff --git a/src/dispnew.c b/src/dispnew.c index abc41ad2a27..02ce752692d 100644 --- a/src/dispnew.c +++ b/src/dispnew.c @@ -131,9 +131,8 @@ static int count_match P_ ((struct glyph *, struct glyph *, static unsigned line_draw_cost P_ ((struct glyph_matrix *, int)); static void update_frame_line P_ ((struct frame *, int)); static struct dim allocate_matrices_for_frame_redisplay - P_ ((Lisp_Object, int, int, struct dim, int, int *)); -static void allocate_matrices_for_window_redisplay P_ ((struct window *, - struct dim)); + P_ ((Lisp_Object, int, int, int, int *)); +static void allocate_matrices_for_window_redisplay P_ ((struct window *)); static int realloc_glyph_pool P_ ((struct glyph_pool *, struct dim)); static void adjust_frame_glyphs P_ ((struct frame *)); struct glyph_matrix *new_glyph_matrix P_ ((struct glyph_pool *)); @@ -1857,11 +1856,10 @@ check_matrix_invariants (w) #define CHANGED_LEAF_MATRIX (1 << 1) static struct dim -allocate_matrices_for_frame_redisplay (window, x, y, ch_dim, - dim_only_p, window_change_flags) +allocate_matrices_for_frame_redisplay (window, x, y, dim_only_p, + window_change_flags) Lisp_Object window; int x, y; - struct dim ch_dim; int dim_only_p; int *window_change_flags; { @@ -1891,11 +1889,11 @@ allocate_matrices_for_frame_redisplay (window, x, y, ch_dim, /* Get the dimension of the window sub-matrix for W, depending on whether this a combination or a leaf window. */ if (!NILP (w->hchild)) - dim = allocate_matrices_for_frame_redisplay (w->hchild, x, y, ch_dim, + dim = allocate_matrices_for_frame_redisplay (w->hchild, x, y, dim_only_p, window_change_flags); else if (!NILP (w->vchild)) - dim = allocate_matrices_for_frame_redisplay (w->vchild, x, y, ch_dim, + dim = allocate_matrices_for_frame_redisplay (w->vchild, x, y, dim_only_p, window_change_flags); else @@ -1910,8 +1908,8 @@ allocate_matrices_for_frame_redisplay (window, x, y, ch_dim, /* Width and height MUST be chosen so that there are no holes in the frame matrix. */ - dim.width = XINT (w->width); - dim.height = XINT (w->height); + dim.width = required_matrix_width (w); + dim.height = required_matrix_height (w); /* Will matrix be re-allocated? */ if (x != w->desired_matrix->matrix_x @@ -1976,28 +1974,78 @@ allocate_matrices_for_frame_redisplay (window, x, y, ch_dim, } +/* Return the required height of glyph matrices for window W. */ + +int +required_matrix_height (w) + struct window *w; +{ +#ifdef HAVE_WINDOW_SYSTEM + struct frame *f = XFRAME (w->frame); + + if (FRAME_WINDOW_P (f)) + { + int ch_height = FRAME_SMALLEST_FONT_HEIGHT (f); + int window_pixel_height = window_box_height (w) + abs (w->vscroll); + return (((window_pixel_height + ch_height - 1) + / ch_height) + /* One partially visible line at the top and + bottom of the window. */ + + 2 + /* 2 for top and mode line. */ + + 2); + } +#endif /* HAVE_WINDOW_SYSTEM */ + + return XINT (w->height); +} + + +/* Return the required width of glyph matrices for window W. */ + +int +required_matrix_width (w) + struct window *w; +{ +#ifdef HAVE_WINDOW_SYSTEM + struct frame *f = XFRAME (w->frame); + if (FRAME_WINDOW_P (f)) + { + int ch_width = FRAME_SMALLEST_CHAR_WIDTH (f); + int window_pixel_width = XFLOATINT (w->width) * CANON_X_UNIT (f); + + /* Compute number of glyphs needed in a glyph row. */ + return (((window_pixel_width + ch_width - 1) + / ch_width) + /* 2 partially visible columns in the text area. */ + + 2 + /* One partially visible column at the right + edge of each marginal area. */ + + 1 + 1); + } +#endif /* HAVE_WINDOW_SYSTEM */ + + return XINT (w->width); +} + + /* Allocate window matrices for window-based redisplay. W is the window whose matrices must be allocated/reallocated. CH_DIM is the size of the smallest character that could potentially be used on W. */ static void -allocate_matrices_for_window_redisplay (w, ch_dim) +allocate_matrices_for_window_redisplay (w) struct window *w; - struct dim ch_dim; { - struct frame *f = XFRAME (w->frame); - while (w) { if (!NILP (w->vchild)) - allocate_matrices_for_window_redisplay (XWINDOW (w->vchild), ch_dim); + allocate_matrices_for_window_redisplay (XWINDOW (w->vchild)); else if (!NILP (w->hchild)) - allocate_matrices_for_window_redisplay (XWINDOW (w->hchild), ch_dim); + allocate_matrices_for_window_redisplay (XWINDOW (w->hchild)); else { /* W is a leaf window. */ - int window_pixel_width = XFLOATINT (w->width) * CANON_X_UNIT (f); - int window_pixel_height = window_box_height (w) + abs (w->vscroll); struct dim dim; /* If matrices are not yet allocated, allocate them now. */ @@ -2007,25 +2055,8 @@ allocate_matrices_for_window_redisplay (w, ch_dim) w->current_matrix = new_glyph_matrix (NULL); } - /* Compute number of glyphs needed in a glyph row. */ - dim.width = (((window_pixel_width + ch_dim.width - 1) - / ch_dim.width) - /* 2 partially visible columns in the text area. */ - + 2 - /* One partially visible column at the right - edge of each marginal area. */ - + 1 + 1); - - /* Compute number of glyph rows needed. */ - dim.height = (((window_pixel_height + ch_dim.height - 1) - / ch_dim.height) - /* One partially visible line at the top and - bottom of the window. */ - + 2 - /* 2 for top and mode line. */ - + 2); - - /* Change matrices. */ + dim.width = required_matrix_width (w); + dim.height = required_matrix_height (w); adjust_glyph_matrix (w, w->desired_matrix, 0, 0, dim); adjust_glyph_matrix (w, w->current_matrix, 0, 0, dim); } @@ -2273,7 +2304,7 @@ adjust_frame_glyphs_for_frame_redisplay (f) matrix_dim = allocate_matrices_for_frame_redisplay (FRAME_ROOT_WINDOW (f), 0, top_window_y, - ch_dim, 1, + 1, &window_change_flags); /* Add in menu bar lines, if any. */ @@ -2289,7 +2320,7 @@ adjust_frame_glyphs_for_frame_redisplay (f) { /* Do it for window matrices. */ allocate_matrices_for_frame_redisplay (FRAME_ROOT_WINDOW (f), - 0, top_window_y, ch_dim, 0, + 0, top_window_y, 0, &window_change_flags); /* Size of frame matrices must equal size of frame. Note @@ -2349,8 +2380,7 @@ adjust_frame_glyphs_for_window_redisplay (f) #endif /* Allocate/reallocate window matrices. */ - allocate_matrices_for_window_redisplay (XWINDOW (FRAME_ROOT_WINDOW (f)), - ch_dim); + allocate_matrices_for_window_redisplay (XWINDOW (FRAME_ROOT_WINDOW (f))); /* Allocate/ reallocate matrices of the dummy window used to display the menu bar under X when no X toolkit support is available. */ @@ -2373,7 +2403,7 @@ adjust_frame_glyphs_for_window_redisplay (f) XSETFASTINT (w->left, 0); XSETFASTINT (w->height, FRAME_MENU_BAR_LINES (f)); XSETFASTINT (w->width, FRAME_WINDOW_WIDTH (f)); - allocate_matrices_for_window_redisplay (w, ch_dim); + allocate_matrices_for_window_redisplay (w); } #endif /* not USE_X_TOOLKIT */ @@ -2393,7 +2423,7 @@ adjust_frame_glyphs_for_window_redisplay (f) XSETFASTINT (w->left, 0); XSETFASTINT (w->height, FRAME_TOOL_BAR_LINES (f)); XSETFASTINT (w->width, FRAME_WINDOW_WIDTH (f)); - allocate_matrices_for_window_redisplay (w, ch_dim); + allocate_matrices_for_window_redisplay (w); }