add KEY_ESC

src/mainloop.cpp

@@ -63,6 +63,7 @@ void glfw_init_key_mapping(Viewer &viewer)
   viewer.glfw_key_mapping[GLFW_KEY_LEFT_SHIFT]  = KEY_SHIFT;
   viewer.glfw_key_mapping[GLFW_KEY_KP_ADD]      = KEY_PLUS;
   viewer.glfw_key_mapping[GLFW_KEY_KP_SUBTRACT] = KEY_MINUS;
+  viewer.glfw_key_mapping[GLFW_KEY_ESCAPE]      = KEY_ESC;
 }
 
 internal 
@@ -165,7 +166,7 @@ void run_main_loop(GLFWwindow *window, Arena *arena, App_State &app)
         app.inspected_file.size = file_size(app.inspected_file.stream);    
     }
 
-    if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS || glfwWindowShouldClose(window)) {
+    if ((app.user_input.key_state[KEY_ESC] & KEY_STATE_IS_DOWN) || glfwWindowShouldClose(window)) {
       app.should_quit = true;
       break;
     }

src/render.cpp

@@ -295,6 +295,9 @@ void update_and_render(Arena *arena, App_State &app, f32 delta_time_ms)
       ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch, sizes.WindowWidth * 0.25);
       ImGui::TableNextColumn();
 
+      // Hex view
+      // -------------------------------
+
       // Absolute byte offset into inspected_file.mem that has been hovered last.
       // 0 means "invalid", otherwise the actual offset is `hovered_off - 1`.
       u64 hovered_off = app.viewer.mem_edit.MouseHovered * (app.viewer.mem_edit.MouseHoveredAddr + 1);
@@ -307,6 +310,9 @@ void update_and_render(Arena *arena, App_State &app, f32 delta_time_ms)
       ImGui::TableNextColumn();
       const ImGuiColorEditFlags edit_flags =  ImGuiColorEditFlags_NoInputs|ImGuiColorEditFlags_NoLabel;
 
+      // Sections legend
+      // -------------------------------
+
       // Unique sections: just display a button that jumps to the start of it and show their size
       for (u32 i = 0; i < Sec_COUNT; ++i) {
         Byte_Range range = get_section_range(app, static_cast<Section_Id>(i));
@@ -378,6 +384,7 @@ void update_and_render(Arena *arena, App_State &app, f32 delta_time_ms)
       ImGui::SameLine(); 
       ImGui::Text("%s", to_pretty_size(scratch.arena, app.rndata.tot_page_list_size).c());
 
+      // Misc information
       // -------------------------------
       ImGui::Separator();
       String8 root_version_str = push_str8f(scratch.arena, "%u.%u.%u", 
@@ -410,6 +417,7 @@ void update_and_render(Arena *arena, App_State &app, f32 delta_time_ms)
       }
       ImGui::Checkbox("Highlight ZSTD headers", &app.viewer.highlight_zstd_headers);
 
+      // Hover info
       // ---------------------------------
       ImGui::Separator();
 

src/window.h

@@ -11,6 +11,7 @@ enum Input_Key {
   KEY_SHIFT,
   KEY_PLUS,
   KEY_MINUS,
+  KEY_ESC,
 
   KEY_COUNT
 };