[geany/geany] 46d5e7: Add support for fractional font sizes

[Pedro Henrique Antunes de Oliveira]

Branch:      refs/heads/master
Author:      Pedro Henrique Antunes de Oliveira <phao1989 at gmail.com>
Committer:   Colomban Wendling <ban at herbesfolles.org>
Date:        Tue, 13 Aug 2019 14:52:14 UTC
Commit:      46d5e7542b8396ed593f2e319f71d153a67684dc
             https://github.com/geany/geany/commit/46d5e7542b8396ed593f2e319f71d153a67684dc

Log Message:
-----------
Add support for fractional font sizes

Closes #2250 and closes #703.


Modified Paths:
--------------
    src/editor.c
    src/sciwrappers.c
    src/sciwrappers.h

Modified: src/editor.c
7 lines changed, 4 insertions(+), 3 deletions(-)
===================================================================
@@ -4591,19 +4591,20 @@ void editor_ensure_final_newline(GeanyEditor *editor)
 
 void editor_set_font(GeanyEditor *editor, const gchar *font)
 {
-	gint style, size;
+	gint style;
 	gchar *font_name;
 	PangoFontDescription *pfd;
+	gdouble size;
 
 	g_return_if_fail(editor);
 
 	pfd = pango_font_description_from_string(font);
-	size = pango_font_description_get_size(pfd) / PANGO_SCALE;
+	size = pango_font_description_get_size(pfd) / (gdouble) PANGO_SCALE;
 	font_name = g_strdup_printf("!%s", pango_font_description_get_family(pfd));
 	pango_font_description_free(pfd);
 
 	for (style = 0; style <= STYLE_MAX; style++)
-		sci_set_font(editor->sci, style, font_name, size);
+		sci_set_font_fractional(editor->sci, style, font_name, size);
 
 	g_free(font_name);
 


Modified: src/sciwrappers.c
15 lines changed, 13 insertions(+), 2 deletions(-)
===================================================================
@@ -939,6 +939,18 @@ gint sci_find_text(ScintillaObject *sci, gint flags, struct Sci_TextToFind *ttf)
 	return (gint) SSM(sci, SCI_FINDTEXT, (uptr_t) flags, (sptr_t) ttf);
 }
 
+/* * Sets the font for a particular style.
+ * @param sci Scintilla widget.
+ * @param style The style.
+ * @param font The font name.
+ * @param size The font (fractional) size. */
+void sci_set_font_fractional(ScintillaObject *sci, gint style, const gchar *font, gdouble size)
+{
+	SSM(sci, SCI_STYLESETFONT, (uptr_t) style, (sptr_t) font);
+
+	/* Adding 0.5 is for rounding. */
+	SSM(sci, SCI_STYLESETSIZEFRACTIONAL, (uptr_t) style, (sptr_t) (SC_FONT_SIZE_MULTIPLIER * size + 0.5));
+}
 
 /** Sets the font for a particular style.
  * @param sci Scintilla widget.
@@ -948,8 +960,7 @@ gint sci_find_text(ScintillaObject *sci, gint flags, struct Sci_TextToFind *ttf)
 GEANY_API_SYMBOL
 void sci_set_font(ScintillaObject *sci, gint style, const gchar *font, gint size)
 {
-	SSM(sci, SCI_STYLESETFONT, (uptr_t) style, (sptr_t) font);
-	SSM(sci, SCI_STYLESETSIZE, (uptr_t) style, size);
+	sci_set_font_fractional(sci, style, font, size);
 }
 
 


Modified: src/sciwrappers.h
2 lines changed, 2 insertions(+), 0 deletions(-)
===================================================================
@@ -216,6 +216,8 @@ gint				sci_text_width				(ScintillaObject *sci, gint styleNumber, const gchar *
 void				sci_move_selected_lines_down    (ScintillaObject *sci);
 void				sci_move_selected_lines_up      (ScintillaObject *sci);
 
+void				sci_set_font_fractional		(ScintillaObject *sci, gint style, const gchar *font, gdouble size);
+
 #endif /* GEANY_PRIVATE */
 
 G_END_DECLS



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