From 436986d18289d0507786442423bf09a1d74dde41 Mon Sep 17 00:00:00 2001
From: Quantum <quantum2048@gmail.com>
Date: Fri, 23 Jul 2021 00:22:04 -0400
Subject: [PATCH] [client] imgui: make UI font and size configurable

---
 client/include/util.h |  1 -
 client/src/config.c   | 16 ++++++++++++++++
 client/src/main.c     |  4 ++--
 client/src/main.h     |  2 ++
 4 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/client/include/util.h b/client/include/util.h
index 8936ee85..a58c80c9 100644
--- a/client/include/util.h
+++ b/client/include/util.h
@@ -46,7 +46,6 @@ static inline double util_clamp(double x, double min, double max)
   return x;
 }
 
-#define DEFAULT_FONT_NAME "DejaVu Sans Mono"
 char * util_getUIFont(const char * fontName);
 
 #endif
diff --git a/client/src/config.c b/client/src/config.c
index 4617e323..a4471620 100644
--- a/client/src/config.c
+++ b/client/src/config.c
@@ -262,6 +262,20 @@ static struct Option options[] =
     .validator      = optRotateValidate,
     .value.x_int    = 0,
   },
+  {
+    .module         = "win",
+    .name           = "uiFont",
+    .description    = "The font to use when rendering on-screen UI",
+    .type           = OPTION_TYPE_STRING,
+    .value.x_string = "DejaVu Sans Mono",
+  },
+  {
+    .module         = "win",
+    .name           = "uiSize",
+    .description    = "The font size to use when rendering on-screen UI",
+    .type           = OPTION_TYPE_INT,
+    .value.x_int    = 14
+  },
 
   // input options
   {
@@ -526,6 +540,8 @@ bool config_load(int argc, char * argv[])
   g_params.autoScreensaver = option_get_bool  ("win", "autoScreensaver");
   g_params.showAlerts      = option_get_bool  ("win", "alerts"         );
   g_params.quickSplash     = option_get_bool  ("win", "quickSplash"    );
+  g_params.uiFont          = option_get_string("win"  , "uiFont"            );
+  g_params.uiSize          = option_get_int   ("win"  , "uiSize"            );
 
   if (g_params.noScreensaver && g_params.autoScreensaver)
   {
diff --git a/client/src/main.c b/client/src/main.c
index e67dfadc..33fcd033 100644
--- a/client/src/main.c
+++ b/client/src/main.c
@@ -191,7 +191,7 @@ static int renderThread(void * unused)
 
       ImFontAtlas_Clear(g_state.io->Fonts);
       ImFontAtlas_AddFontFromFileTTF(g_state.io->Fonts, g_state.fontName,
-        14 * g_state.windowScale, NULL, NULL);
+        g_params.uiSize * g_state.windowScale, NULL, NULL);
       ImFontAtlas_Build(g_state.io->Fonts);
 
       if (g_state.lgr)
@@ -770,7 +770,7 @@ static int lg_run(void)
       &text_w, &text_h, NULL);
 
   g_state.windowScale = 1.0;
-  g_state.fontName    = util_getUIFont(DEFAULT_FONT_NAME);
+  g_state.fontName    = util_getUIFont(g_params.uiFont);
   DEBUG_INFO("Using font: %s", g_state.fontName);
 
   g_state.overlays = ll_new();
diff --git a/client/src/main.h b/client/src/main.h
index 34994671..aaa8861d 100644
--- a/client/src/main.h
+++ b/client/src/main.h
@@ -154,6 +154,8 @@ struct AppParams
   bool              quickSplash;
   bool              alwaysShowCursor;
   uint64_t          helpMenuDelayUs;
+  const char *      uiFont;
+  int               uiSize;
 
   unsigned int      cursorPollInterval;
   unsigned int      framePollInterval;