Files
panopainter/src/node.h
2019-10-20 17:09:44 +02:00

324 lines
11 KiB
C++

#pragma once
#include "util.h"
#include "event.h"
enum class kAttribute : uint16_t
{
id = const_hash("id"),
Width = const_hash("width"),
MinWidth = const_hash("min-width"),
MaxWidth = const_hash("max-width"),
Height = const_hash("height"),
MinHeight = const_hash("min-height"),
MaxHeight = const_hash("max-height"),
Divisions = const_hash("divisions"),
InnerRadius = const_hash("inner-radius"),
OuterRadius = const_hash("outer-radius"),
Grow = const_hash("grow"),
Shrink = const_hash("shrink"),
FlexDir = const_hash("dir"),
FlexWrap = const_hash("wrap"),
Padding = const_hash("pad"),
Margin = const_hash("margin"),
Color = const_hash("color"),
Thickness = const_hash("thickness"),
BorderColor = const_hash("border-color"),
Type = const_hash("type"),
Text = const_hash("text"),
TextWrapWidth = const_hash("text-wrap-width"),
FontFace = const_hash("font-face"),
FontSize = const_hash("font-size"),
Justify = const_hash("justify"),
Align = const_hash("align"),
Path = const_hash("path"),
Url = const_hash("url"),
Region = const_hash("region"),
Position = const_hash("position"),
Positioning = const_hash("positioning"),
FloodEvents = const_hash("flood-events"),
Icon = const_hash("icon"),
Selected = const_hash("selected"),
Template = const_hash("template"),
Value = const_hash("value"),
Range = const_hash("range"),
AspectRatio = const_hash("aspect-ratio"),
ComboList = const_hash("combo-list"),
Mips = const_hash("mips"),
Default = const_hash("default"),
RTL = const_hash("rtl"),
AutoSize = const_hash("autosize"),
MouseCapture = const_hash("mouse-capture"),
ScrollColor = const_hash("scroll-color"),
ScrollDir = const_hash("scroll-dir"),
Multiline = const_hash("multiline"),
TextAlign = const_hash("text-align"),
TextVerticalAlign = const_hash("text-vertical-align"),
};
enum class kWidget : uint16_t
{
Node = const_hash("node"),
Border = const_hash("border"),
Shape = const_hash("shape"),
Text = const_hash("text"),
TextInput = const_hash("text-input"),
Image = const_hash("image"),
ImageTexture = const_hash("image-texture"),
Icon = const_hash("icon"),
Button = const_hash("button"),
ButtonCustom = const_hash("button-custom"),
ComboBox = const_hash("combobox"),
SliderH = const_hash("slider-h"),
SliderV = const_hash("slider-v"),
SliderHue = const_hash("slider-hue"),
PopupMenu = const_hash("popup-menu"),
Viewport = const_hash("viewport"),
Ref = const_hash("ref"),
CheckBox = const_hash("checkbox"),
Layer = const_hash("layer"),
PanelLayer = const_hash("panel-layer"),
PanelBrush = const_hash("panel-brush"),
PanelColor = const_hash("panel-color"),
PanelStroke = const_hash("panel-stroke"),
PanelGrid = const_hash("panel-grid"),
PanelQuick = const_hash("panel-quick"),
ColorQuad = const_hash("color-quad"),
StrokePreview = const_hash("stroke-preview"),
Canvas = const_hash("canvas"),
Scroll = const_hash("scroll"),
DialogBrowse = const_hash("dialog-browse"),
DialogBrowseItem = const_hash("dialog-browse-item"),
DialogCloud = const_hash("dialog-cloud"),
DialogCloudItem = const_hash("dialog-cloud-item"),
ColorWheel = const_hash("colorwheel"),
ColorPicker = const_hash("color-picker"),
About = const_hash("about"),
Changelog = const_hash("changelog"),
UserManual = const_hash("usermanual"),
ToolBucket = const_hash("tool-bucket"),
Timeline = const_hash("timeline"),
};
class Node : public std::enable_shared_from_this<Node>
{
friend class LayoutManager;
public:
Node* m_parent{ nullptr };
YGNodeRef y_node{ nullptr };
class LayoutManager* m_manager = nullptr;
uint16_t m_nodeID = 0;
std::string m_nodeID_s;
std::vector<std::shared_ptr<Node>> m_children;
std::shared_ptr<Node> current_mouse_capture = nullptr;
std::shared_ptr<Node> current_key_capture = nullptr;
std::shared_ptr<Node> child_mouse_focus = nullptr;
bool m_mouse_captured = false;
bool m_key_captured = false;
glm::mat4 m_proj;
glm::mat4 m_mvp;
glm::mat4 m_mvp_visible;
bool m_mouse_focus = false;
bool m_mouse_inside = false;
bool m_flood_events = false;
bool m_force_mouse_capture = false;
bool m_capture_children = true; // wether to capture children events when xx_capture() is used
bool m_destroyed = false;
std::vector<std::shared_ptr<Node>> m_capture_stack;
bool m_mouse_ignore = true;
float m_zoom = 1.f;
glm::vec2 m_scale{ 1, 1 };
glm::vec2 m_pos{ 0, 0 };
glm::vec2 m_pos_origin{ 0, 0 }; // original layout position without offset
glm::vec2 m_pos_offset{ 0, 0 }; // artificial position offset for scrolling
glm::vec2 m_pos_offset_childred{ 0, 0 }; // artificial position offset for scrolling
glm::vec2 m_size{ 0, 0 };
// rect: {origin}{size}
glm::vec4 m_clip{ 0, 0, 0, 0 };
// rect: {origin}{size}
glm::vec4 m_clip_uncut{ 0, 0, 0, 0 };
std::string m_name;
bool m_display = true;
// it's actually rendering
bool m_on_screen = false;
Node(const Node&) = delete;
Node& operator=(const Node&) = delete;
Node&& operator=(Node&& o);
Node(Node&& o);
Node();
virtual ~Node();
void SetWidth(float value);
void SetWidthP(float value);
void SetHeight(float value);
void SetHeightP(float value);
void SetSize(glm::vec2 value);
void SetSize(float w, float h);
void SetMinSize(float w, float h);
void SetMaxSize(float w, float h);
void SetMinSize(glm::vec2 value);
void SetMaxSize(glm::vec2 value);
void SetMaxWidth(float value);
void SetMaxWidthP(float value);
void SetMaxHeight(float value);
void SetMaxHeightP(float value);
void SetMinWidth(float value);
void SetMinWidthP(float value);
void SetMinHeight(float value);
void SetMinHeightP(float value);
void SetPadding(float t, float r, float b, float l);
glm::vec4 GetPadding() const;
void SetMargin(float t, float r, float b, float l);
glm::vec4 GetMargin() const;
void SetPosition(float l, float t, float r, float b);
void SetPosition(float l, float t);
void SetPosition(const glm::vec2 pos);
void SetFlexGrow(float value);
void SetFlexShrink(float value);
void SetFlexDir(YGFlexDirection value);
void SetFlexWrap(YGWrap value);
void SetJustify(YGJustify value);
void SetAlign(YGAlign value);
void SetPositioning(YGPositionType value);
void SetAspectRatio(float ar);
void SetRTL(YGDirection dir);
// used in visibility switch
YGNodeRef y_placeholder = nullptr;
bool GetVisibility();
void SetVisibility(bool visible);
void ToggleVisibility();
glm::vec2 GetPosition();
float GetWidth();
float GetHeight();
glm::vec2 GetSize();
YGDirection GetRTL();
virtual void restore_context();;
virtual void clear_context();
void update(float width, float height, float zoom);
void update();
void update_internal(const glm::vec2& origin, const glm::mat4& proj, float zoom);
virtual void parse_attributes(kAttribute ka, const tinyxml2::XMLAttribute* attr);
void load_internal(const tinyxml2::XMLElement* x_node);
virtual void draw();
virtual Node* clone_instantiate() const;
virtual void clone_copy(Node* dest) const;
virtual void clone_children(Node* dest) const;
virtual void clone_finalize(Node* dest) const;;
void watch(std::function<bool(Node*)> observer);
virtual void destroy();
Node* root();
void set_manager(LayoutManager* manager);
bool added_to_root();
template<class T = Node> std::shared_ptr<T> clone()
{
std::shared_ptr<T> n = std::shared_ptr<T>((T*)clone_instantiate());
clone_copy(n.get());
clone_children(n.get());
clone_finalize(n.get());
return n;
}
template<class T = Node> T* find(const char* ids)
{
uint16_t id = const_hash(ids);
if (id == m_nodeID)
return static_cast<T*>(this);
for (auto& c : m_children)
if (auto found = c->find(ids))
return static_cast<T*>(found);
return nullptr;
}
template<class T = Node> std::shared_ptr<T> find_ref(const char* ids)
{
uint16_t id = const_hash(ids);
for (auto& c : m_children)
{
if (c->m_nodeID == id)
return std::static_pointer_cast<T>(c);
else if (auto found = c->find_ref(ids))
return std::static_pointer_cast<T>(found);
}
return nullptr;
}
template<class T> T* add_child()
{
auto* n = new T;
n->set_manager(m_manager);
n->m_parent = m_parent;
n->init();
n->create();
n->loaded();
add_child(n);
return n;
}
template<class T> std::shared_ptr<T> add_child_ref()
{
auto n = std::make_shared<T>();
n->set_manager(m_manager);
n->m_parent = m_parent;
n->init();
n->create();
n->loaded();
add_child(n);
return n;
}
template<class T = Node> std::shared_ptr<T> add_child_file(const std::string& filename, const std::string& name)
{
if (auto t = load_template(filename, name))
{
add_child(t);
return std::dynamic_pointer_cast<T>(t);
}
return nullptr;
}
virtual void on_tick(float dt) { };
virtual kEventResult on_event(Event* e);
virtual kEventResult handle_event(Event* e);
virtual void handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom);
virtual void handle_on_screen(bool old_visibility, bool new_visibility);
virtual void handle_parent_resize(glm::vec2 old_size, glm::vec2 new_size);
virtual void create();
virtual void init();
virtual void loaded();
virtual void added(Node* parent);
virtual void removed(Node* parent);
virtual void on_child_added(Node* child) { };
virtual void on_child_removed(Node* child) { };
const Node* init_template(const char* id);
bool init_template_file(const std::string& path, const std::string& id);
std::shared_ptr<Node> load_template(const std::string& filename, const std::string& name) const;
void tick(float dt);
void app_redraw();
void add_child(Node* n);
void add_child(Node* n, int index);
void add_child(std::shared_ptr<Node> n);
void add_child(std::shared_ptr<Node> n, int index);
void remove_from_parent();
void remove_child(Node* n);
void remove_all_children();
void move_child(Node* n, int index);
void move_child_front(Node* n);
void move_child_offset(Node* n, int offset);
int get_child_index(Node* n);
Node* get_child_at(int index);
// returns {origin, size} form
glm::vec4 get_children_rect() const;
std::vector<std::shared_ptr<Node>> get_children_at_point(glm::vec2 point) const;
bool is_child_recursive(Node* o) const;
bool is_child(Node* o) const;
void mouse_capture();
void mouse_release();
void key_capture();
void key_release();
};