allow usage of Material Design mdi:foo names

meson.build

@@ -82,6 +82,16 @@ font_mdi_c = xxd_generator.process(
     extra_args: 'mdi_ttf',
 )
 
+mdimap_prog = find_program('scripts/mdimap.py', required: true)
+mdimap_generator = generator(
+    mdimap_prog,
+    output: '@[email protected]',
+    arguments: ['@INPUT@', '@OUTPUT@'],
+)
+mdimap_cpp = mdimap_generator.process(
+    'src/fonts/MaterialDesign-Webfont/scss/_variables.scss',
+)
+
 brew_prefix = '/opt/homebrew/include'
 brew = find_program('brew', required: false)
 if brew.found()
@@ -241,6 +251,7 @@ if get_option('front-lvgl').enabled()
             font_mdi_c,
             'src/generated/domains.hpp',
             version_file,
+            mdimap_cpp,
         ],
         install: true,
         dependencies: [

scripts/mdimap.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+import re
+import sys
+
+infile = open(sys.argv[1])
+outfile = open(sys.argv[2], 'w')  # FIXME tempfile+rename
+
+# skip until $mdi-icons
+for line in infile:
+    if line.startswith("$mdi-icons"):
+        break
+
+icons = dict()
+
+# now handle all icons
+for line in infile:
+    if not line.startswith(" "):
+        break
+    #   "ab-testing": F01C9,\n
+    line = line.strip()
+
+    # "ab-testing": F01C9,
+    if line.endswith(","):
+        line = line[:-1]
+
+    #  "ab-testing": F01C9
+    k, v = line.split(":")
+
+    # k = "ab-testing" (INCLUDING quotes)
+    # v =  F01C9 (no quotes, leading space)
+    v = v.strip()
+
+    # k = "ab-testing" (INCLUDING quotes)
+    # v =  F01C9 (no quotes, no leading space)
+    v = repr(chr(int(v, 16)).encode('utf-8'))[2:-1]
+
+    # k = "ab-testing" (INCLUDING quotes)
+    # v = \\xf3\\xb0\\x87\\x89 (no quotes)
+
+    icons[k] = v
+
+outfile.write(f"""#include "uicomponents/mdimap.hpp"
+
+static std::map<std::string, std::string> map_name2id = {{
+""")
+
+
+for k, v in icons.items():
+    outfile.write(f'  {{{k}, "{v}"}},\n')
+
+outfile.write("""
+};
+
+// making _name a ref is tempting but currently some code tries to pass simple static "foo" (char array) in
+std::string voorkant::mdi::name2id(std::string _name) {
+    return map_name2id.at(_name);
+}
+
+\n""")

src/front-lvgl.cpp

@@ -5,6 +5,7 @@
 #include "uicomponents/UIComponents.hpp"
 #include "uicomponents/UILogBox.hpp"
 #include "uicomponents/uirgblight.hpp"
+#include "uicomponents/mdimap.hpp"
 #include <memory>
 #include <src/core/lv_obj.h>
 #include <src/core/lv_obj_pos.h>
@@ -206,15 +207,15 @@ void uithread(int _argc, char* _argv[])
 
   lv_obj_t* left_btn = lv_button_create(bottom_row);
   lv_obj_t* left_btn_txt = lv_label_create(left_btn);
-  lv_label_set_text(left_btn_txt, MDI_ARROW_LEFT);
+  lv_label_set_text(left_btn_txt, voorkant::mdi::name2id("arrow-left").data());
   lv_obj_add_event_cb(left_btn, btnLeftPress, LV_EVENT_CLICKED, NULL);
   lv_obj_add_style(left_btn, &voorkant::lvgl::mdistyle, 0);
 
   UILogBox logbox(bottom_row, &voorkant::lvgl::b612style);
 
   lv_obj_t* right_btn = lv_button_create(bottom_row);
   lv_obj_t* right_btn_txt = lv_label_create(right_btn);
-  lv_label_set_text(right_btn_txt, MDI_ARROW_RIGHT);
+  lv_label_set_text(right_btn_txt, voorkant::mdi::name2id("arrow-right").data());
   lv_obj_add_style(right_btn_txt, &voorkant::lvgl::mdistyle, 0);
 
   lv_obj_add_event_cb(right_btn, btnRightPress, LV_EVENT_CLICKED, NULL);

src/uicomponents/UIComponents.hpp

@@ -22,11 +22,6 @@ namespace lvgl
 }
 }
 
-#define MDI_ARROW_LEFT "\xf3\xb0\x81\x8d"
-#define MDI_ARROW_RIGHT "\xf3\xb0\x81\x94"
-#define MDI_POWER_STANDBY "\xf3\xb0\xa4\x86"
-#define MDI_WAZE "\xf3\xb0\xaf\x9e"
-
 // FIXME: we never free() the lv_obj_t*'s in code
 class UIComponent : public IObserver
 {

src/uicomponents/mdimap.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <map>
+#include <string>
+
+namespace voorkant
+{
+namespace mdi
+{
+  std::string name2id(std::string _name);
+}
+}

src/uicomponents/uirgblight.cpp

@@ -1,6 +1,7 @@
 #include "uirgblight.hpp"
 #include "logger.hpp"
 #include "uicomponents/UIComponents.hpp"
+#include "uicomponents/mdimap.hpp"
 #include <src/core/lv_obj_pos.h>
 #include <src/misc/lv_area.h>
 #include <src/misc/lv_color.h>
@@ -262,7 +263,7 @@ UIRGBLight::UIRGBLight(std::shared_ptr<HAEntity> _entity, lv_obj_t* _parent) :
   lv_obj_set_flex_align(btns, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
   lv_obj_remove_flag(btns, LV_OBJ_FLAG_SCROLLABLE);
 
-  btnOnOff = createImageButton(MDI_POWER_STANDBY, UIRGBLight::btnOnOffCB, LV_EVENT_VALUE_CHANGED, true);
+  btnOnOff = createImageButton(voorkant::mdi::name2id("power-standby").data(), UIRGBLight::btnOnOffCB, LV_EVENT_VALUE_CHANGED, true);
 
   if (showBrightness) {
     btnBrightness = createImageButton(&G_BRIGHTNESS24, UIRGBLight::btnBrightnessCB, LV_EVENT_CLICKED);