/* Implementation of GUI terminal on the Microsoft W32 API.
-Copyright (C) 1989, 1993-2011 Free Software Foundation, Inc.
+Copyright (C) 1989, 1993-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
static void my_set_foreground_window (HWND);
static void my_destroy_window (struct frame *, HWND);
+#if GLYPH_DEBUG
+static void x_check_font (struct frame *, struct font *);
+#endif
+
static Lisp_Object Qvendor_specific_keysyms;
\f
SelectClipRgn (hdc, NULL);
}
+/* Restore clipping rectangle in S */
+static void
+w32_restore_glyph_string_clip (struct glyph_string *s)
+{
+ RECT *r = s->clip;
+ int n = s->num_clips;
+
+ if (n == 1)
+ w32_set_clip_rectangle (s->hdc, r);
+ else if (n > 1)
+ {
+ HRGN clip1 = CreateRectRgnIndirect (r);
+ HRGN clip2 = CreateRectRgnIndirect (r + 1);
+ if (CombineRgn (clip1, clip1, clip2, RGN_OR) != ERROR)
+ SelectClipRgn (s->hdc, clip1);
+ DeleteObject (clip1);
+ DeleteObject (clip2);
+ }
+}
+
+/*
+ Draw a wavy line under S. The wave fills wave_height pixels from y0.
+
+ x0 wave_length = 2
+ --
+ y0 * * * * *
+ |* * * * * * * * *
+ wave_height = 3 | * * * *
+
+*/
+
+void
+w32_draw_underwave (struct glyph_string *s, COLORREF color)
+{
+ int wave_height = 2, wave_length = 3;
+ int dx, dy, x0, y0, width, x1, y1, x2, y2, odd, xmax;
+ XRectangle wave_clip, string_clip, final_clip;
+ RECT w32_final_clip, w32_string_clip;
+ HPEN hp, oldhp;
+
+ dx = wave_length;
+ dy = wave_height - 1;
+ x0 = s->x;
+ y0 = s->ybase + 1;
+ width = s->width;
+ xmax = x0 + width;
+
+ /* Find and set clipping rectangle */
+
+ wave_clip = (XRectangle){ x0, y0, width, wave_height };
+ get_glyph_string_clip_rect (s, &w32_string_clip);
+ CONVERT_TO_XRECT (string_clip, w32_string_clip);
+
+ if (!x_intersect_rectangles (&wave_clip, &string_clip, &final_clip))
+ return;
+
+ hp = CreatePen (PS_SOLID, 0, color);
+ oldhp = SelectObject (s->hdc, hp);
+ CONVERT_FROM_XRECT (final_clip, w32_final_clip);
+ w32_set_clip_rectangle (s->hdc, &w32_final_clip);
+
+ /* Draw the waves */
+
+ x1 = x0 - (x0 % dx);
+ x2 = x1 + dx;
+ odd = (x1/dx) % 2;
+ y1 = y2 = y0;
+
+ if (odd)
+ y1 += dy;
+ else
+ y2 += dy;
+
+ MoveToEx (s->hdc, x1, y1, NULL);
+
+ while (x1 <= xmax)
+ {
+ LineTo (s->hdc, x2, y2);
+ x1 = x2, y1 = y2;
+ x2 += dx, y2 = y0 + odd*dy;
+ odd = !odd;
+ }
+
+ /* Restore previous pen and clipping rectangle(s) */
+ w32_restore_glyph_string_clip (s);
+ SelectObject (s->hdc, oldhp);
+ DeleteObject (hp);
+}
/* Draw a hollow rectangle at the specified position. */
void
struct frame *f;
int width, height;
- xassert (w);
+ eassert (w);
if (!desired_row->mode_line_p && !w->pseudo_window_p)
desired_row->redraw_fringe_bitmaps_p = 1;
if (sb_width > 0)
{
- int left = WINDOW_SCROLL_BAR_AREA_X (w);
- int width = (WINDOW_CONFIG_SCROLL_BAR_COLS (w)
- * FRAME_COLUMN_WIDTH (f));
+ int bar_area_x = WINDOW_SCROLL_BAR_AREA_X (w);
+ int bar_area_width = (WINDOW_CONFIG_SCROLL_BAR_COLS (w)
+ * FRAME_COLUMN_WIDTH (f));
if (bx < 0)
{
/* Bitmap fills the fringe. */
- if (left + width == p->x)
- bx = left + sb_width;
- else if (p->x + p->wd == left)
- bx = left;
+ if (bar_area_x + bar_area_width == p->x)
+ bx = bar_area_x + sb_width;
+ else if (p->x + p->wd == bar_area_x)
+ bx = bar_area_x;
if (bx >= 0)
{
int header_line_height = WINDOW_HEADER_LINE_HEIGHT (w);
- nx = width - sb_width;
+ nx = bar_area_width - sb_width;
by = WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height,
row->y));
ny = row->visible_height;
}
else
{
- if (left + width == bx)
+ if (bar_area_x + bar_area_width == bx)
{
- bx = left + sb_width;
- nx += width - sb_width;
+ bx = bar_area_x + sb_width;
+ nx += bar_area_width - sb_width;
}
- else if (bx + nx == left)
- nx += width - sb_width;
+ else if (bx + nx == bar_area_x)
+ nx += bar_area_width - sb_width;
}
}
}
s->gc = FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc;
}
- xassert (s->gc != 0);
+ eassert (s->gc != 0);
}
Faces to use in the mode line have already been computed when the
matrix was built, so there isn't much to do, here. */
-static INLINE void
+static inline void
x_set_mode_line_face_gc (struct glyph_string *s)
{
s->gc = s->face->gc;
S->stippled_p to a non-zero value if the face of S has a stipple
pattern. */
-static INLINE void
+static inline void
x_set_glyph_string_gc (struct glyph_string *s)
{
PREPARE_FACE_FOR_DISPLAY (s->f, s->face);
}
/* GC must have been set. */
- xassert (s->gc != 0);
+ eassert (s->gc != 0);
}
/* Set clipping for output of glyph string S. S may be part of a mode
line or menu if we don't have X toolkit support. */
-static INLINE void
+static inline void
x_set_glyph_string_clipping (struct glyph_string *s)
{
RECT *r = s->clip;
/* Fill rectangle X, Y, W, H with background color of glyph string S. */
-static INLINE void
+static inline void
x_clear_glyph_string_rect (struct glyph_string *s,
int x, int y, int w, int h)
{
old_font = SelectObject (s->hdc, FONT_HANDLE (font));
for (i = 0, j = s->cmp_from; i < s->nchars; i++, j++)
+ /* TAB in a composition means display glyphs with padding
+ space on the left or right. */
if (COMPOSITION_GLYPH (s->cmp, j) != '\t')
{
int xx = x + s->cmp->offsets[j * 2];
Nominally, highlight colors for `3d' faces are calculated by
brightening an object's color by a constant scale factor, but this
- doesn't yield good results for dark colors, so for colors who's
+ doesn't yield good results for dark colors, so for colors whose
brightness is less than this value (on a scale of 0-255) have to
use an additional additive factor.
delta /= 256;
/* Change RGB values by specified FACTOR. Avoid overflow! */
- xassert (factor >= 0);
+ eassert (factor >= 0);
new = PALETTERGB (min (0xff, factor * GetRValue (*color)),
min (0xff, factor * GetGValue (*color)),
min (0xff, factor * GetBValue (*color)));
static void
w32_draw_relief_rect (struct frame *f,
- int left_x, int top_y, int right_x, int bottom_y, int width,
- int raised_p, int top_p, int bot_p, int left_p, int right_p,
+ int left_x, int top_y, int right_x, int bottom_y,
+ int width, int raised_p,
+ int top_p, int bot_p, int left_p, int right_p,
RECT *clip_rect)
{
int i;
if (s->hl == DRAW_IMAGE_SUNKEN
|| s->hl == DRAW_IMAGE_RAISED)
{
- thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
+ thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief
+ : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
raised_p = s->hl == DRAW_IMAGE_RAISED;
}
else
static void
x_draw_stretch_glyph_string (struct glyph_string *s)
{
- xassert (s->first_glyph->type == STRETCH_GLYPH);
+ eassert (s->first_glyph->type == STRETCH_GLYPH);
if (s->hl == DRAW_CURSOR
&& !x_stretch_cursor_p)
/* Draw underline. */
if (s->face->underline_p)
{
- unsigned long thickness, position;
- int y;
-
- if (s->prev && s->prev->face->underline_p)
+ if (s->face->underline_type == FACE_UNDER_WAVE)
{
- /* We use the same underline style as the previous one. */
- thickness = s->prev->underline_thickness;
- position = s->prev->underline_position;
+ COLORREF color;
+
+ if (s->face->underline_defaulted_p)
+ color = s->gc->foreground;
+ else
+ color = s->face->underline_color;
+
+ w32_draw_underwave (s, color);
}
- else
+ else if (s->face->underline_type == FACE_UNDER_LINE)
{
- /* Get the underline thickness. Default is 1 pixel. */
- if (s->font && s->font->underline_thickness > 0)
- thickness = s->font->underline_thickness;
+ unsigned long thickness, position;
+ int y;
+
+ if (s->prev && s->prev->face->underline_p)
+ {
+ /* We use the same underline style as the previous one. */
+ thickness = s->prev->underline_thickness;
+ position = s->prev->underline_position;
+ }
else
- thickness = 1;
- if (x_underline_at_descent_line)
- position = (s->height - thickness) - (s->ybase - s->y);
+ {
+ /* Get the underline thickness. Default is 1 pixel. */
+ if (s->font && s->font->underline_thickness > 0)
+ thickness = s->font->underline_thickness;
+ else
+ thickness = 1;
+ if (x_underline_at_descent_line)
+ position = (s->height - thickness) - (s->ybase - s->y);
+ else
+ {
+ /* Get the underline position. This is the recommended
+ vertical offset in pixels from the baseline to the top of
+ the underline. This is a signed value according to the
+ specs, and its default is
+
+ ROUND ((maximum_descent) / 2), with
+ ROUND (x) = floor (x + 0.5) */
+
+ if (x_use_underline_position_properties
+ && s->font && s->font->underline_position >= 0)
+ position = s->font->underline_position;
+ else if (s->font)
+ position = (s->font->descent + 1) / 2;
+ }
+ position = max (position, underline_minimum_offset);
+ }
+ /* Check the sanity of thickness and position. We should
+ avoid drawing underline out of the current line area. */
+ if (s->y + s->height <= s->ybase + position)
+ position = (s->height - 1) - (s->ybase - s->y);
+ if (s->y + s->height < s->ybase + position + thickness)
+ thickness = (s->y + s->height) - (s->ybase + position);
+ s->underline_thickness = thickness;
+ s->underline_position =position;
+ y = s->ybase + position;
+ if (s->face->underline_defaulted_p)
+ {
+ w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x,
+ y, s->width, 1);
+ }
else
{
- /* Get the underline position. This is the recommended
- vertical offset in pixels from the baseline to the top of
- the underline. This is a signed value according to the
- specs, and its default is
-
- ROUND ((maximum_descent) / 2), with
- ROUND (x) = floor (x + 0.5) */
-
- if (x_use_underline_position_properties
- && s->font && s->font->underline_position >= 0)
- position = s->font->underline_position;
- else if (s->font)
- position = (s->font->descent + 1) / 2;
+ w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x,
+ y, s->width, 1);
}
- position = max (position, underline_minimum_offset);
- }
- /* Check the sanity of thickness and position. We should
- avoid drawing underline out of the current line area. */
- if (s->y + s->height <= s->ybase + position)
- position = (s->height - 1) - (s->ybase - s->y);
- if (s->y + s->height < s->ybase + position + thickness)
- thickness = (s->y + s->height) - (s->ybase + position);
- s->underline_thickness = thickness;
- s->underline_position =position;
- y = s->ybase + position;
- if (s->face->underline_defaulted_p)
- {
- w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x,
- y, s->width, 1);
- }
- else
- {
- w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x,
- y, s->width, 1);
}
}
/* Draw overline. */
fringes of W. */
window_box (w, -1, &x, &y, &width, &height);
+ /* If the fringe is adjacent to the left (right) scroll bar of a
+ leftmost (rightmost, respectively) window, then extend its
+ background to the gap between the fringe and the bar. */
+ if ((WINDOW_LEFTMOST_P (w)
+ && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w))
+ || (WINDOW_RIGHTMOST_P (w)
+ && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w)))
+ {
+ int sb_width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w);
+
+ if (sb_width > 0)
+ {
+ int bar_area_x = WINDOW_SCROLL_BAR_AREA_X (w);
+ int bar_area_width = (WINDOW_CONFIG_SCROLL_BAR_COLS (w)
+ * FRAME_COLUMN_WIDTH (f));
+
+ if (bar_area_x + bar_area_width == x)
+ {
+ x = bar_area_x + sb_width;
+ width += bar_area_width - sb_width;
+ }
+ else if (x + width == bar_area_x)
+ width += bar_area_width - sb_width;
+ }
+ }
+
from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y);
to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y);
bottom_y = y + height;
}
else
{
- /* Scolling down. Make sure we don't copy over the mode line.
+ /* Scrolling down. Make sure we don't copy over the mode line.
at the bottom. */
if (to_y + run->height > bottom_y)
height = bottom_y - to_y;
***********************************************************************/
/* Handle mouse button event on the tool-bar of frame F, at
- frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
- or ButtonRelase. */
+ frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
+ or ButtonRelease. */
static void
w32_handle_tool_bar_click (struct frame *f, struct input_event *button_event)
if (whole)
{
/* Position scroll bar at rock bottom if the bottom of the
- buffer is visible. This avoids shinking the thumb away
+ buffer is visible. This avoids shrinking the thumb away
to nothing if it is held at the bottom of the buffer. */
if (position + portion >= whole && !draggingp)
{
(WPARAM) hwnd, 0);
}
+static void
+my_bring_window_to_top (HWND hwnd)
+{
+ SendMessage (hwnd, WM_EMACS_BRINGTOTOP, (WPARAM) hwnd, 0);
+}
+
/* Create a scroll bar and return the scroll bar vector for it. W is
the Emacs window on which to create the scroll bar. TOP, LEFT,
- WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
+ WIDTH and HEIGHT are the pixel coordinates and dimensions of the
scroll bar. */
static struct scroll_bar *
/* Destroy the window. */
my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar));
- /* Disassociate this scroll bar from its window. */
+ /* Dissociate this scroll bar from its window. */
XWINDOW (bar->window)->vertical_scroll_bar = Qnil;
UNBLOCK_INPUT;
si.fMask = SIF_POS;
si.nPos = y;
/* Remember apparent position (we actually lag behind the real
- position, so don't set that directly. */
+ position, so don't set that directly). */
last_scroll_bar_drag_pos = y;
SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE);
/* Generate a language change event. */
f = x_window_to_frame (dpyinfo, msg.msg.hwnd);
- /* lParam contains the input lang ID. Use it to update our
- record of the keyboard codepage. */
+ /* lParam contains the input language ID in its low 16 bits.
+ Use it to update our record of the keyboard codepage. */
keyboard_codepage = codepage_for_locale ((LCID)(msg.msg.lParam
& 0xffff));
{
inev.kind = LANGUAGE_CHANGE_EVENT;
XSETFRAME (inev.frame_or_window, f);
- inev.code = msg.msg.wParam;
+ inev.code = keyboard_codepage;
inev.modifiers = msg.msg.lParam & 0xffff;
}
break;
/* If the contents of the global variable help_echo_string
has changed, generate a HELP_EVENT. */
-#if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
+#if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
But it was originally changed to this to fix a bug, so I have
not removed it completely in case the bug is still there. */
if (help_echo_string != previous_help_echo_string ||
}
/* If window has been obscured or exposed by another window
- being maximised or minimised/restored, then recheck
+ being maximized or minimized/restored, then recheck
visibility of all frames. Direct changes to our own
windows get handled by WM_SIZE. */
#if 0
pending_autoraise_frame = 0;
}
- /* Check which frames are still visisble, if we have enqueued any user
+ /* Check which frames are still visible, if we have enqueued any user
events or been notified of events that may affect visibility. We
do this here because there doesn't seem to be any direct
notification from Windows that the visibility of a window has
x_catch_errors_unwind (old_val)
x_check_errors (dpy, format)
x_fully_uncatch_errors ()
-x_catching_errors ()
x_had_errors_p (dpy)
x_clear_errors (dpy)
x_uncatch_errors (dpy, count)
input focus anyway (so the window with focus will never be
completely obscured) - if not, then just moving the mouse over it
is sufficient to give it focus. On Windows, the user must actually
- click on the frame (preferrably the title bar so as not to move
+ click on the frame (preferably the title bar so as not to move
point), which is more awkward. Also, no other Windows program
raises a window to the top but leaves another window (possibly now
completely obscured) with input focus.
HDWP handle = BeginDeferWindowPos (2);
if (handle)
{
- DeferWindowPos (handle,
- FRAME_W32_WINDOW (f),
- HWND_TOP,
- 0, 0, 0, 0,
- SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
-
- DeferWindowPos (handle,
- GetForegroundWindow (),
- FRAME_W32_WINDOW (f),
- 0, 0, 0, 0,
- SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
-
- EndDeferWindowPos (handle);
+ handle = DeferWindowPos (handle,
+ FRAME_W32_WINDOW (f),
+ HWND_TOP,
+ 0, 0, 0, 0,
+ SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
+ if (handle)
+ {
+ handle = DeferWindowPos (handle,
+ GetForegroundWindow (),
+ FRAME_W32_WINDOW (f),
+ 0, 0, 0, 0,
+ SWP_NOSIZE | SWP_NOMOVE |
+ SWP_NOACTIVATE);
+ if (handle)
+ EndDeferWindowPos (handle);
+ }
}
}
else
{
- my_set_foreground_window (FRAME_W32_WINDOW (f));
+ my_bring_window_to_top (FRAME_W32_WINDOW (f));
}
UNBLOCK_INPUT;
f->output_data.w32->asked_for_visible = 1;
- /* The first of these seems to give more expected behavior, but
- was added as a commented out line in Sept 1997, with the
- second version remaining uncommented. There may have been
- some problem with it that led to it not being enabled,
- so the old version remains commented out below in case we
- decide we need to go back to it [23.0.60 2008-06-09]. */
+ /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
+ causes unexpected behavior when unminimizing frames that were
+ previously maximized. But only SW_SHOWNORMAL works properly for
+ frames that were truely hidden (using make-frame-invisible), so
+ we need it to avoid Bug#5482. It seems that async_iconified
+ is only set for minimized windows that are still visible, so
+ use that to determine the appropriate flag to pass ShowWindow. */
my_show_window (f, FRAME_W32_WINDOW (f),
- f->async_iconified ? SW_RESTORE : SW_SHOW);
- /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
+ f->async_iconified ? SW_RESTORE : SW_SHOWNORMAL);
}
/* Synchronize to ensure Emacs knows the frame is visible
}
\f
+/***********************************************************************
+ Fonts
+ ***********************************************************************/
+
+#if GLYPH_DEBUG
+
+/* Check that FONT is valid on frame F. It is if it can be found in F's
+ font table. */
+
+static void
+x_check_font (struct frame *f, struct font *font)
+{
+ eassert (font != NULL && ! NILP (font->props[FONT_TYPE_INDEX]));
+ if (font->driver->check)
+ eassert (font->driver->check (f, font) == 0);
+}
+
+#endif /* GLYPH_DEBUG != 0 */
+
+
+\f
/***********************************************************************
Initialization
***********************************************************************/
dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE;
ReleaseDC (NULL, hdc);
- /* initialise palette with white and black */
+ /* initialize palette with white and black */
{
XColor color;
w32_defined_color (0, "white", &color, 1);
from cus-start.el and other places, like "M-x set-variable". */
DEFVAR_BOOL ("x-use-underline-position-properties",
x_use_underline_position_properties,
- doc: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
+ doc: /* Non-nil means make use of UNDERLINE_POSITION font properties.
A value of nil means ignore them. If you encounter fonts with bogus
UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
to 4.1, set this to nil. You can also use `underline-minimum-offset'
DEFVAR_BOOL ("x-underline-at-descent-line",
x_underline_at_descent_line,
- doc: /* *Non-nil means to draw the underline at the same place as the descent line.
+ doc: /* Non-nil means to draw the underline at the same place as the descent line.
A value of nil means to draw the underline according to the value of the
variable `x-use-underline-position-properties', which is usually at the
baseline level. The default value is nil. */);
A value of nil means Emacs doesn't use toolkit scroll bars.
With the X Window system, the value is a symbol describing the
X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
-With MS Windows, the value is t. */);
+With MS Windows or Nextstep, the value is t. */);
Vx_toolkit_scroll_bars = Qt;
staticpro (&last_mouse_motion_frame);