move DungeonEditor, merge widgets with style, split up CMakeLists

src/app/gui/style.h

@@ -1,9 +1,17 @@
 #ifndef YAZE_APP_CORE_STYLE_H
 #define YAZE_APP_CORE_STYLE_H
 
+#include <ImGuiColorTextEdit/TextEditor.h>
 #include <imgui/imgui.h>
+#include <imgui/misc/cpp/imgui_stdlib.h>
 
+#include <functional>
+#include <vector>
+
+#include "absl/status/status.h"
 #include "absl/strings/string_view.h"
+#include "app/core/constants.h"
+#include "app/gfx/bitmap.h"
 
 namespace yaze {
 namespace app {
@@ -21,7 +29,7 @@ void EndPadding();
 void BeginNoPadding();
 void EndNoPadding();
 
-void BeginChildWithScrollbar(const char *str_id);
+void BeginChildWithScrollbar(const char* str_id);
 
 void BeginChildBothScrollbars(int id);
 
@@ -31,6 +39,111 @@ void TextWithSeparators(const absl::string_view& text);
 
 void ColorsYaze();
 
+TextEditor::LanguageDefinition GetAssemblyLanguageDef();
+
+void RenderTabItem(const std::string& title,
+                   const std::function<void()>& render_func);
+
+class BitmapViewer {
+ public:
+  BitmapViewer() : current_bitmap_index_(0) {}
+
+  void Display(const std::vector<gfx::Bitmap>& bitmaps, float scale = 1.0f) {
+    if (bitmaps.empty()) {
+      ImGui::Text("No bitmaps available.");
+      return;
+    }
+
+    // Display the current bitmap index and total count.
+    ImGui::Text("Viewing Bitmap %d / %zu", current_bitmap_index_ + 1,
+                bitmaps.size());
+
+    // Buttons to navigate through bitmaps.
+    if (ImGui::Button("<- Prev")) {
+      if (current_bitmap_index_ > 0) {
+        --current_bitmap_index_;
+      }
+    }
+    ImGui::SameLine();
+    if (ImGui::Button("Next ->")) {
+      if (current_bitmap_index_ < bitmaps.size() - 1) {
+        ++current_bitmap_index_;
+      }
+    }
+
+    // Display the current bitmap.
+    const gfx::Bitmap& current_bitmap = bitmaps[current_bitmap_index_];
+    // Assuming Bitmap has a function to get its texture ID, and width and
+    // height.
+    ImTextureID tex_id = current_bitmap.texture();
+    ImVec2 size(current_bitmap.width() * scale,
+                current_bitmap.height() * scale);
+    // ImGui::Image(tex_id, size);
+
+    // Scroll if the image is larger than the display area.
+    if (ImGui::BeginChild("BitmapScrollArea", ImVec2(0, 0), false,
+                          ImGuiWindowFlags_HorizontalScrollbar)) {
+      ImGui::Image(tex_id, size);
+      ImGui::EndChild();
+    }
+  }
+
+ private:
+  int current_bitmap_index_;
+};
+
+// ============================================================================
+
+static const char* ExampleNames[] = {
+    "Artichoke",      "Arugula",          "Asparagus",    "Avocado",
+    "Bamboo Shoots",  "Bean Sprouts",     "Beans",        "Beet",
+    "Belgian Endive", "Bell Pepper",      "Bitter Gourd", "Bok Choy",
+    "Broccoli",       "Brussels Sprouts", "Burdock Root", "Cabbage",
+    "Calabash",       "Capers",           "Carrot",       "Cassava",
+    "Cauliflower",    "Celery",           "Celery Root",  "Celcuce",
+    "Chayote",        "Chinese Broccoli", "Corn",         "Cucumber"};
+
+struct MultiSelectWithClipper {
+  const int ITEMS_COUNT = 10000;
+  void Update() {
+    // Use default selection.Adapter: Pass index to
+    // SetNextItemSelectionUserData(), store index in Selection
+    static ImGuiSelectionBasicStorage selection;
+
+    ImGui::Text("Selection: %d/%d", selection.Size, ITEMS_COUNT);
+    if (ImGui::BeginChild(
+            "##Basket", ImVec2(-FLT_MIN, ImGui::GetFontSize() * 20),
+            ImGuiChildFlags_FrameStyle | ImGuiChildFlags_ResizeY)) {
+      ImGuiMultiSelectFlags flags = ImGuiMultiSelectFlags_ClearOnEscape |
+                                    ImGuiMultiSelectFlags_BoxSelect1d;
+      ImGuiMultiSelectIO* ms_io =
+          ImGui::BeginMultiSelect(flags, selection.Size, ITEMS_COUNT);
+      selection.ApplyRequests(ms_io);
+
+      ImGuiListClipper clipper;
+      clipper.Begin(ITEMS_COUNT);
+      if (ms_io->RangeSrcItem != -1)
+        clipper.IncludeItemByIndex(
+            (int)ms_io->RangeSrcItem);  // Ensure RangeSrc item is not clipped.
+      while (clipper.Step()) {
+        for (int n = clipper.DisplayStart; n < clipper.DisplayEnd; n++) {
+          char label[64];
+          // sprintf(label, "Object %05d: %s", n,
+          //         ExampleNames[n % IM_ARRAYSIZE(ExampleNames)]);
+          bool item_is_selected = selection.Contains((ImGuiID)n);
+          ImGui::SetNextItemSelectionUserData(n);
+          ImGui::Selectable(label, item_is_selected);
+        }
+      }
+
+      ms_io = ImGui::EndMultiSelect();
+      selection.ApplyRequests(ms_io);
+    }
+    ImGui::EndChild();
+    ImGui::TreePop();
+  }
+};
+
 }  // namespace gui
 }  // namespace app
 }  // namespace yaze