Initial Commit

include/pd/UI7.hpp

@@ -0,0 +1,102 @@
+#pragma once
+
+#include <pd/Image.hpp>
+#include <pd/NVec.hpp>
+#include <pd/Render2.hpp>
+#include <pd/smart_ctor.hpp>
+
+#define UI7MAKEFLAG(x) (1 << x)
+
+typedef int UI7MenuFlags;
+
+enum UI7MenuFlags_ {
+  UI7MenuFlags_None = 0,
+  UI7MenuFlags_NoTitlebar = UI7MAKEFLAG(0),
+  UI7MenuFlags_TitleMid = UI7MAKEFLAG(1),
+  UI7MenuFlags_Scrolling = MAKEFLAG(2),
+};
+
+class DrawCmd;
+class UI7DrawList {
+ public:
+  UI7DrawList() = default;
+  ~UI7DrawList() = default;
+
+  void AddRectangle(NVec2 pos, NVec2 szs, PDColor clr);
+  void AddRectangle(NVec2 pos, NVec2 szs, unsigned int clr);
+  void AddTriangle(NVec2 pos0, NVec2 pos1, NVec2 pos2, PDColor clr);
+  void AddTriangle(NVec2 pos0, NVec2 pos1, NVec2 pos2, unsigned int clr);
+  void AddText(NVec2 pos, const std::string &text, PDColor clr,
+               PDTextFlags flags = 0, NVec2 box = NVec2());
+  void AddText(NVec2 pos, const std::string &text, unsigned int clr,
+               PDTextFlags flags = 0, NVec2 box = NVec2());
+  void AddImage(NVec2 pos, Palladium::Image::Ref img);
+  void AddCall(std::shared_ptr<DrawCmd> cmd);
+
+  void Process(bool auto_clear = true);
+  void Clear();
+
+  PD_SMART_CTOR(UI7DrawList)
+
+ private:
+  void AddDebugCall(std::shared_ptr<DrawCmd> cmd);
+  std::vector<std::shared_ptr<DrawCmd>> list;
+};
+
+namespace UI7 {
+// Key functions
+void Init();
+void Deinit();
+void Update();
+float GetTime();
+float GetDeltaTime();
+bool &IsDebugging();
+// Internal Function
+// Should not be used
+void Debug();
+bool &DebugMenu();
+
+bool Button(const std::string &label, NVec2 size = NVec2(0, 0));
+void Checkbox(const std::string &label, bool &c);
+void Label(const std::string &label, PDTextFlags flags = 0);
+void Progressbar(float value);
+/// @brief Draw Image in Menu
+/// @param img Pointer f.e to Palladium::Image2
+void Image(Palladium::Image::Ref img);
+void BrowserList(const std::vector<std::string> &entrys, int &selection,
+                 PDTextFlags txtflags = 0, NVec2 size = NVec2(0, 0),
+                 int max_entrys = 13);
+void InputText(const std::string &label, std::string &text,
+               const std::string &hint = "");
+bool BeginMenu(const std::string &title, NVec2 size = NVec2(0, 0),
+               UI7MenuFlags flags = 0);
+void EndMenu();
+void Grid(const std::string &name, const NVec2 &size, const NVec2 &entry_size,
+          void (*display_func)(void *, NVec2), void **data_array,
+          size_t num_entrys);
+void ColorSelector(const std::string &label, unsigned int &color);
+bool BeginTree(const std::string &text);
+void EndTree();
+NVec2 GetCursorPos();
+void SetCursorPos(NVec2 cp);
+void RestoreCursor();
+void SameLine();
+// Internal API (For Creating Custom Objects)
+bool InBox(NVec2 inpos, NVec2 boxpos, NVec2 boxsize);
+void MoveCursor(NVec2 size);
+bool HandleScrolling(NVec2 &pos, NVec2 size);
+bool InMenu();
+namespace Menu {
+// All of them return the Main BG DrawList if Menu is null
+UI7DrawList::Ref GetBackgroundList();
+UI7DrawList::Ref GetList();
+UI7DrawList::Ref GetForegroundList();
+// Other Menu Specific Functions
+float GetScrollingOffset();
+void SetScrollingOffset(float off);
+bool IsScrolling();
+}  // namespace Menu
+// DrawLists
+UI7DrawList::Ref GetForegroundList();
+UI7DrawList::Ref GetBackgroundList();
+}  // namespace UI7