114 lines
2.8 KiB
C++
114 lines
2.8 KiB
C++
#pragma once
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#include "ui-mousectrl.hh"
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/*= UI UTILITIES =============================================================*/
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namespace ImGui {
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// Disable next ImGui controls
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void PushDisabled( ) noexcept;
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// Re-enable ImGui buttons
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void PopDisabled( ) noexcept;
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/*--------------------------------------------------------------------*/
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// Display a menu item with a checkbox
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bool MenuItemCheckbox(
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char const* name ,
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bool* checked ) noexcept;
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/*--------------------------------------------------------------------*/
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// Display a separator for the toolbar
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void ToolbarSeparator( ) noexcept;
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// Display a toolbar button
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bool ToolbarButton(
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char const* const string ,
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ImVec2 const& size ,
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char const* const tooltip = nullptr ,
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bool enabled = true ) noexcept;
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/*--------------------------------------------------------------------*/
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uint32_t ColorHSVAToU32(
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float hue ,
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float saturation ,
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float value ,
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float alpha ) noexcept;
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/*--------------------------------------------------------------------*/
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/* "User" scrollbar
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*
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* Code ripped from ImGui and modified so it can be used in other
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* circumstances.
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*
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* Parameters:
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* horizontal Horizontal bar if true, vertical bar if false
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* total Total size of the scrolled area
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* display Size of the displayed area
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* pos Pointer to the position, will be updated when
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* scrolled
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* topLeft Top-left corner of the scroll bar
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* length Width of the scrollbar (if horizontal)
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* Height of the scrollbar (if vertical)
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* name Name of the widget; if NULL, #UserScrollX will
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* be used by default for horizontal scrollbars,
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* or #UserScrollY for vertical scrollbars
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*/
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bool UserScrollbar(
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bool horizontal ,
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float total ,
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float display ,
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float* pos ,
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ImVec2 topLeft ,
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float length ,
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char const* name = nullptr ) noexcept;
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} // namespace ImGui
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/*----------------------------------------------------------------------------*/
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#define GL_CHECK( FAIL ) \
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do { \
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auto err_( glGetError( ) ); \
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if ( err_ != GL_NO_ERROR ) FAIL; \
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} while ( 0 )
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#define GL_ASSERT( ) \
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GL_CHECK({ \
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fprintf( stderr , "GL error %x in %s:%d\n" , \
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err_ , __FILE__ , __LINE__ ); \
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abort( ); \
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})
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/*= CAMERA ===================================================================*/
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struct T_Camera;
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struct T_CameraMouseControl : public A_MouseCtrl
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{
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T_Camera& camera;
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explicit T_CameraMouseControl( T_Camera& cam ) : camera( cam ) {}
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void handleDragAndDrop(
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ImVec2 const& move ,
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T_KbdMods modifiers ,
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T_MouseButtons buttons ) noexcept override;
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void handleWheel(
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float wheel ,
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T_KbdMods modifiers ,
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T_MouseButtons buttons ) noexcept override;
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};
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enum class E_CameraChange {
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FOV ,
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MATRIX
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};
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using T_CameraChanges = T_Flags< E_CameraChange >;
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T_CameraChanges CameraUI( T_Camera& camera ) noexcept;
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