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Public Member Functions
SdlButtonList Class Reference

Public Member Functions

bool populate (SDL_Renderer *renderer, const std::vector< std::string > &labels, const std::vector< int > &ids, Sint32 total_width, Sint32 offsetY, Sint32 width, Sint32 height)
 
bool update (SDL_Renderer *renderer)
 
SdlButton * get_selected (const SDL_MouseButtonEvent &button)
 
SdlButton * get_selected (Sint32 x, Sint32 y)
 
bool set_highlight_next (bool reset=false)
 
bool set_highlight (size_t index)
 
bool set_mouseover (Sint32 x, Sint32 y)
 
void clear ()
 
 SdlButtonList (const SdlButtonList &other)=delete
 
 SdlButtonList (SdlButtonList &&other)=delete
 
SdlButtonList & operator= (const SdlButtonList &other)=delete
 
SdlButtonList & operator= (SdlButtonList &&other)=delete
 
 SdlButtonList (const SdlButtonList &other)=delete
 
 SdlButtonList (SdlButtonList &&other)=delete
 
SdlButtonList & operator= (const SdlButtonList &other)=delete
 
SdlButtonList & operator= (SdlButtonList &&other)=delete
 
bool populate (SDL_Renderer *renderer, const std::vector< std::string > &labels, const std::vector< int > &ids, Sint32 total_width, Sint32 offsetY, Sint32 width, Sint32 height)
 
bool update (SDL_Renderer *renderer)
 
SdlButton * get_selected (const SDL_MouseButtonEvent &button)
 
SdlButton * get_selected (float x, float y)
 
bool set_highlight_next (bool reset=false)
 
bool set_highlight (size_t index)
 
bool set_mouseover (float x, float y)
 
void clear ()
 

Detailed Description

Definition at line 8 of file SDL2/dialogs/sdl_buttons.hpp.

Member Function Documentation

◆ clear()

void SdlButtonList::clear ( )

Definition at line 88 of file SDL2/dialogs/sdl_buttons.cpp.

89{
90 _list.clear();
91 _mouseover = nullptr;
92 _highlighted = nullptr;
93 _highlight_index = 0;
94}

◆ get_selected() [1/3]

SdlButton * SdlButtonList::get_selected ( const SDL_MouseButtonEvent &  button)

Definition at line 36 of file SDL2/dialogs/sdl_buttons.cpp.

37{
38 const Sint32 x = button.x;
39 const Sint32 y = button.y;
40
41 return get_selected(x, y);
42}

◆ get_selected() [2/3]

SdlButton * SdlButtonList::get_selected ( float  x,
float  y 
)

Definition at line 41 of file SDL3/dialogs/sdl_buttons.cpp.

42{
43 for (auto& btn : _list)
44 {
45 auto r = btn.rect();
46 if ((x >= r.x) && (x <= r.x + r.w) && (y >= r.y) && (y <= r.y + r.h))
47 return &btn;
48 }
49 return nullptr;
50}

◆ get_selected() [3/3]

SdlButton * SdlButtonList::get_selected ( Sint32  x,
Sint32  y 
)

Definition at line 44 of file SDL2/dialogs/sdl_buttons.cpp.

45{
46 for (auto& btn : _list)
47 {
48 auto r = btn.rect();
49 if ((x >= r.x) && (x <= r.x + r.w) && (y >= r.y) && (y <= r.y + r.h))
50 return &btn;
51 }
52 return nullptr;
53}

◆ populate()

bool SdlButtonList::populate ( SDL_Renderer *  renderer,
const std::vector< std::string > &  labels,
const std::vector< int > &  ids,
Sint32  total_width,
Sint32  offsetY,
Sint32  width,
Sint32  height 
)

Definition at line 12 of file SDL2/dialogs/sdl_buttons.cpp.

15{
16 assert(renderer);
17 assert(width >= 0);
18 assert(height >= 0);
19 assert(labels.size() == ids.size());
20
21 _list.clear();
22 size_t button_width =
23 ids.size() * (WINPR_ASSERTING_INT_CAST(uint32_t, width) + hpadding) + hpadding;
24 size_t offsetX =
25 WINPR_ASSERTING_INT_CAST(uint32_t, total_width) -
26 std::min<size_t>(WINPR_ASSERTING_INT_CAST(uint32_t, total_width), button_width);
27 for (size_t x = 0; x < ids.size(); x++)
28 {
29 const size_t curOffsetX = offsetX + x * (static_cast<size_t>(width) + hpadding);
30 const SDL_Rect rect = { static_cast<int>(curOffsetX), offsetY, width, height };
31 _list.emplace_back(renderer, labels[x], ids[x], rect);
32 }
33 return true;
34}

◆ set_highlight()

bool SdlButtonList::set_highlight ( size_t  index)

Definition at line 69 of file SDL2/dialogs/sdl_buttons.cpp.

70{
71 if (index >= _list.size())
72 {
73 _highlighted = nullptr;
74 return false;
75 }
76 auto& element = _list[index];
77 _highlighted = &element;
78 _highlight_index = ++index % _list.size();
79 return true;
80}

◆ set_highlight_next()

bool SdlButtonList::set_highlight_next ( bool  reset = false)

Definition at line 55 of file SDL2/dialogs/sdl_buttons.cpp.

56{
57 if (reset)
58 _highlighted = nullptr;
59 else
60 {
61 auto next = _highlight_index++;
62 _highlight_index %= _list.size();
63 auto& element = _list[next];
64 _highlighted = &element;
65 }
66 return true;
67}

◆ set_mouseover() [1/2]

bool SdlButtonList::set_mouseover ( float  x,
float  y 
)

Definition at line 79 of file SDL3/dialogs/sdl_buttons.cpp.

80{
81 _mouseover = get_selected(x, y);
82 return _mouseover != nullptr;
83}

◆ set_mouseover() [2/2]

bool SdlButtonList::set_mouseover ( Sint32  x,
Sint32  y 
)

Definition at line 82 of file SDL2/dialogs/sdl_buttons.cpp.

83{
84 _mouseover = get_selected(x, y);
85 return _mouseover != nullptr;
86}

◆ update()

bool SdlButtonList::update ( SDL_Renderer *  renderer)

Definition at line 96 of file SDL2/dialogs/sdl_buttons.cpp.

97{
98 assert(renderer);
99
100 for (auto& btn : _list)
101 {
102 if (!btn.update(renderer))
103 return false;
104 }
105
106 if (_highlighted)
107 _highlighted->highlight(renderer);
108
109 if (_mouseover)
110 _mouseover->mouseover(renderer);
111 return true;
112}
The documentation for this class was generated from the following files: