[View] Scaling via GDK_SCALE messgdk-scale-mess

5 files changed, 20 insertions, 5 deletions

diff --git a/config/config.c b/config/config.c
index c1610453..d17ecaf4 100644
--- a/config/config.c
+++ b/config/config.c
@@ -155,4 +155,5 @@ Settings config = {
     /** fallback icon */
     .application_fallback_icon = NULL,
     /** refilter limit */
-    .refilter_timeout_limit = 8192};
+    .refilter_timeout_limit = 8192,
+    .scale = 1.0};
diff --git a/include/settings.h b/include/settings.h
index 5128a379..32003ba9 100644
--- a/include/settings.h
+++ b/include/settings.h
@@ -181,6 +181,8 @@ typedef struct {
   /** refilter timeout limit, when more then these entries,go into timeout mode.
    */
   unsigned int refilter_timeout_limit;
+
+  double scale;
 } Settings;
 
 /** Default number of lines in the list view */
diff --git a/source/rofi.c b/source/rofi.c
index db91f9e9..badf86fc 100644
--- a/source/rofi.c
+++ b/source/rofi.c
@@ -415,7 +415,8 @@ static void help_print_mode_not_found(const char *mode) {
 }
 static void help_print_no_arguments(void) {
 
-  GString *emesg = g_string_new("<span size=\"x-large\">Rofi is unsure what to show.</span>\n\n");
+  GString *emesg = g_string_new(
+      "<span size=\"x-large\">Rofi is unsure what to show.</span>\n\n");
   g_string_append(emesg, "Please specify the mode you want to show.\n\n");
   g_string_append(
       emesg, "    <b>rofi</b> -show <span color=\"green\">{mode}</span>\n\n");
@@ -786,6 +787,14 @@ int main(int argc, char *argv[]) {
 #endif
     return EXIT_SUCCESS;
   }
+  if (g_getenv("GDK_SCALE") != NULL) {
+    const char *scale = g_getenv("GDK_SCALE");
+    errno = 0;
+    double scaled = g_ascii_strtod(scale, NULL);
+    if (scaled > 0 && errno == 0) {
+      config.scale = scaled;
+    }
+  }
 
   if (find_arg("-rasi-validate") >= 0) {
     char *str = NULL;
diff --git a/source/theme.c b/source/theme.c
index 3a9a19b8..253846ea 100644
--- a/source/theme.c
+++ b/source/theme.c
@@ -1319,7 +1319,7 @@ RofiHighlightColorStyle rofi_theme_get_highlight(widget *widget,
 }
 static int get_pixels(RofiDistanceUnit *unit, RofiOrientation ori) {
   int val = unit->distance;
-
+  val *= config.scale;
   if (unit->type == ROFI_PU_EM) {
     val = unit->distance * textbox_get_estimated_char_height();
   } else if (unit->type == ROFI_PU_CH) {
diff --git a/source/view.c b/source/view.c
index ae707190..811f9ea7 100644
--- a/source/view.c
+++ b/source/view.c
@@ -812,10 +812,10 @@ void __create_window(MenuFlags menu_flags) {
   if (config.dpi > 1) {
     PangoFontMap *font_map = pango_cairo_font_map_get_default();
     pango_cairo_font_map_set_resolution((PangoCairoFontMap *)font_map,
-                                        (double)config.dpi);
+                                        (double)config.dpi * config.scale);
   } else if (config.dpi == 0 || config.dpi == 1) {
     // Auto-detect mode.
-    double dpi = 96;
+    double dpi = 96 * config.scale;
     if (CacheState.mon.mh > 0 && config.dpi == 1) {
       dpi = (CacheState.mon.h * 25.4) / (double)(CacheState.mon.mh);
     } else {
@@ -832,6 +832,9 @@ void __create_window(MenuFlags menu_flags) {
     PangoFontMap *font_map = pango_cairo_font_map_get_default();
     config.dpi =
         pango_cairo_font_map_get_resolution((PangoCairoFontMap *)font_map);
+    config.dpi *= config.scale;
+    pango_cairo_font_map_set_resolution((PangoCairoFontMap *)font_map,
+                                        (double)config.dpi * config.scale);
   }
   // Setup font.
   // Dummy widget.