loading animations and block navigation while writing to disk

1 files changed, 94 insertions, 1 deletions

diff --git a/src/ui/imgui_extensions.cpp b/src/ui/imgui_extensions.cpp
index d1abc58..359fc17 100644
--- a/src/ui/imgui_extensions.cpp
+++ b/src/ui/imgui_extensions.cpp
@@ -4,11 +4,104 @@
 #include "config.hpp"
 #include "locales.hpp"
 #include "countries.hpp"
-#include "administration.hpp"
 #include "tinyfiledialogs.h"
+#include "administration.hpp"
+#include "administration_writer.hpp"
+
+namespace ui {
+    ImFont* fontBold;
+    ImFont* fontBig;
+}
 
 namespace ImGui
 {
+    bool CheckboxX(const char* label, bool* v, bool disabled, bool show_loading_indicator_while_disabled)
+    {
+        bool result = false;
+        if (disabled) ImGui::BeginDisabled();
+        if (!disabled || !show_loading_indicator_while_disabled)
+        {
+            result = ImGui::Checkbox(label, v);
+        }
+        else
+        {
+            bool tmp = false;
+            result = ImGui::Checkbox(label, &tmp);
+            if (result) *v = !(*v);
+
+            float radius = 10.0f;
+            ImVec2 p_min = ImGui::GetItemRectMin();
+            ImVec2 p_max = ImGui::GetItemRectMax();
+            ImVec2 center = ImVec2((p_min.x + p_max.x) * 0.5f - radius, (p_min.y + p_max.y) * 0.5f - radius);
+
+            ImGui::SetCursorScreenPos(ImVec2(center.x, center.y));
+
+            const ImVec4 col = ImGui::GetStyleColorVec4(ImGuiCol_ButtonHovered);
+            const ImVec4 bg = ImGui::GetStyleColorVec4(ImGuiCol_Button);
+            ImGui::LoadingIndicatorCircle("##loadingAnim", radius, bg, col, 6, 4.0f);
+        }
+
+        if (disabled) ImGui::EndDisabled();
+        return result;
+    }
+
+    static ImVec2 CalcButtonSize(const char* label)
+    {
+        ImGuiStyle& style = ImGui::GetStyle();
+        ImVec2 text_size = ImGui::CalcTextSize(label, nullptr, true);
+        ImVec2 button_size = ImVec2(
+            text_size.x + style.FramePadding.x * 2.0f,
+            text_size.y + style.FramePadding.y * 2.0f
+        );
+        return button_size;
+    }
+
+    bool Button(const char* label, bool block_while_writing_to_disk, bool show_loading_indicator_while_blocked)
+    {
+        if (block_while_writing_to_disk)
+        {
+            if (administration_writer::is_writing())
+            {
+                if (show_loading_indicator_while_blocked) {
+                    ImGui::PushID(label);
+                    ImGui::BeginDisabled();
+                    bool result = ImGui::Button("", CalcButtonSize(label));
+
+                    float radius = 10.0f;
+                    ImVec2 p_min = ImGui::GetItemRectMin();
+                    ImVec2 p_max = ImGui::GetItemRectMax();
+                    ImVec2 center = ImVec2((p_min.x + p_max.x) * 0.5f - radius, (p_min.y + p_max.y) * 0.5f - radius);
+
+                    ImGui::SetCursorScreenPos(ImVec2(center.x, center.y));
+
+                    const ImVec4 col = ImGui::GetStyleColorVec4(ImGuiCol_ButtonHovered);
+                    const ImVec4 bg = ImGui::GetStyleColorVec4(ImGuiCol_Button);
+                    ImGui::LoadingIndicatorCircle("##loadingAnim", radius, bg, col, 6, 4.0f);
+
+                    ImGui::EndDisabled();
+                    ImGui::PopID();
+                    
+                    return result;
+                }
+                else
+                {
+                    ImGui::BeginDisabled();
+                    bool result = ImGui::Button(label);
+                    ImGui::EndDisabled();
+                    return result;
+                }
+            }
+            else
+            {
+                return ImGui::Button(label);
+            }
+        }
+        else
+        {
+            return ImGui::Button(label);
+        }
+    }
+
     void InputTextWithError(const char* text, char* buffer, size_t buf_size, bool has_error)
     {
         if (has_error) {