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Added the required gdk/gdk.h include before gdkcairo.h in maingui.c to satisfy GDK header include order requirements on Windows builds.

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Added cairo surface tracking and context creation helpers for xtext rendering, including state initialization for the new draw surface field.

Replaced GdkPixmap-based offscreen text buffering with cairo surfaces and routed rendering/underline/strikethrough operations through the cairo context helper.
This commit is contained in:
deepend
2026-01-17 16:56:35 -07:00
parent 944ce69906
commit 30e309853c
3 changed files with 30 additions and 21 deletions
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49
src/fe-gtk/xtext.c
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@@ -168,6 +168,15 @@ xtext_surface_from_drawable (GdkDrawable *drawable)
return surface;
}
static cairo_t *
xtext_create_context (GtkXText *xtext)
{
if (xtext->draw_surface)
return cairo_create (xtext->draw_surface);
return gdk_cairo_create (xtext->draw_buf);
}
static inline void
xtext_draw_rectangle (GtkXText *xtext, cairo_t *cr, GdkColor *color, int x, int y, int width, int height)
{
@@ -202,7 +211,7 @@ xtext_draw_line (GtkXText *xtext, cairo_t *cr, GdkColor *color, int x1, int y1,
static inline void
xtext_draw_bg_offset (GtkXText *xtext, int x, int y, int width, int height, int tile_x, int tile_y)
{
cairo_t *cr = gdk_cairo_create (xtext->draw_buf);
cairo_t *cr = xtext_create_context (xtext);
if (xtext->pixmap)
{
@@ -440,7 +449,7 @@ backend_draw_text_emph (GtkXText *xtext, gboolean dofill, int x, int y,
cairo_t *cr;
PangoLayoutLine *line;
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
pango_layout_set_attributes (xtext->layout, attr_lists[emphasis]);
pango_layout_set_text (xtext->layout, str, len);
@@ -478,6 +487,7 @@ static void
gtk_xtext_init (GtkXText * xtext)
{
xtext->pixmap = NULL;
xtext->draw_surface = NULL;
xtext->io_tag = 0;
xtext->add_io_tag = 0;
xtext->scroll_tag = 0;
@@ -985,7 +995,7 @@ gtk_xtext_draw_sep (GtkXText * xtext, int y)
{
light = &xtext->light_gc;
dark = &xtext->dark_gc;
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
if (x < 1)
@@ -1038,7 +1048,7 @@ gtk_xtext_draw_marker (GtkXText * xtext, textentry * ent, int y)
x = 0;
width = GTK_WIDGET (xtext)->allocation.width;
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
xtext_draw_line (xtext, cr, &xtext->marker_gc, x, render_y, x + width, render_y);
cairo_destroy (cr);
@@ -2561,7 +2571,7 @@ gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
int len, int *emphasis)
{
int str_width, dofill;
GdkDrawable *pix = NULL;
cairo_surface_t *surface = NULL;
int dest_x = 0, dest_y = 0;
int tile_x = xtext->ts_x;
int tile_y = xtext->ts_y;
@@ -2588,8 +2598,9 @@ gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
goto dounder;
}
pix = gdk_pixmap_new (xtext->draw_buf, str_width, xtext->fontsize, xtext->depth);
if (pix)
surface = gdk_window_create_similar_surface (GTK_WIDGET (xtext)->window,
CAIRO_CONTENT_COLOR_ALPHA, str_width, xtext->fontsize);
if (surface)
{
dest_x = x;
dest_y = y - xtext->font->ascent;
@@ -2598,7 +2609,7 @@ gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
x = 0;
y = xtext->font->ascent;
xtext->draw_buf = pix;
xtext->draw_surface = surface;
}
dofill = TRUE;
@@ -2614,13 +2625,13 @@ gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
backend_draw_text_emph (xtext, dofill, x, y, str, len, str_width, *emphasis);
if (pix)
if (surface)
{
GdkRectangle clip;
GdkRectangle dest;
cairo_t *cr;
xtext->draw_buf = GTK_WIDGET (xtext)->window;
xtext->draw_surface = NULL;
clip.x = xtext->clip_x;
clip.y = xtext->clip_y;
clip.width = xtext->clip_x2 - xtext->clip_x;
@@ -2634,20 +2645,16 @@ gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
if (gdk_rectangle_intersect (&clip, &dest, &dest))
/* dump the DB to window, but only within the clip_x/x2/y/y2 */
{
cairo_surface_t *surface;
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
surface = xtext_surface_from_drawable (pix);
cairo_set_source_surface (cr, surface, dest_x, dest_y);
cairo_surface_destroy (surface);
cairo_rectangle (cr, dest.x, dest.y, dest.width, dest.height);
cairo_fill (cr);
cairo_restore (cr);
cairo_destroy (cr);
}
g_object_unref (pix);
cairo_surface_destroy (surface);
}
if (xtext->strikethrough)
@@ -2655,7 +2662,7 @@ gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
cairo_t *cr;
/* pango_attr_strikethrough_new does not render in the custom widget so we need to reinvent the wheel */
y = dest_y + (xtext->fontsize / 2);
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
xtext_draw_line (xtext, cr, &xtext->fgc, dest_x, y, dest_x + str_width - 1, y);
cairo_destroy (cr);
}
@@ -2666,7 +2673,7 @@ dounder:
{
cairo_t *cr;
if (pix)
if (surface)
y = dest_y + xtext->font->ascent + 1;
else
{
@@ -2674,7 +2681,7 @@ dounder:
dest_x = x;
}
/* draw directly to window, it's out of the range of our DB */
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
xtext_draw_line (xtext, cr, &xtext->fgc, dest_x, y, dest_x + str_width - 1, y);
cairo_destroy (cr);
}
@@ -3867,7 +3874,7 @@ gtk_xtext_render_page (GtkXText * xtext)
src_y = -overlap;
dest_y = 0;
copy_height = height + overlap;
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
surface = xtext_surface_from_drawable (GTK_WIDGET (xtext)->window);
@@ -3888,7 +3895,7 @@ gtk_xtext_render_page (GtkXText * xtext)
src_y = 0;
dest_y = overlap;
copy_height = height - overlap;
cr = gdk_cairo_create (xtext->draw_buf);
cr = xtext_create_context (xtext);
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
surface = xtext_surface_from_drawable (GTK_WIDGET (xtext)->window);