mirror of
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initial breakout of UI widget classes
This commit is contained in:
Brad Grantham
parent
420f016098
commit
a9e48a509a
261
interface.cpp
261
interface.cpp
@ -28,6 +28,8 @@
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#define GLFW_INCLUDE_GLCOREARB
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#include <GLFW/glfw3.h>
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#include "ui_widgets.h"
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#include "glwidget.h"
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#include "interface.h"
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@ -601,265 +603,6 @@ void set_shader(float to_screen[9], DisplayMode display_mode, bool mixed_mode, i
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}
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}
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typedef pair<float, float> width_height;
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struct widget
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{
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virtual width_height get_min_dimensions() const = 0;
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virtual void draw(double now, float to_screen[9], float x, float y, float w, float h) {};
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virtual bool click(double now, float x, float y) { return false; };
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virtual void hover(double now, float x, float y) {};
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virtual void drag(double now, float x, float y) {};
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virtual void release(double now, float x, float y) {};
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virtual bool drop(double now, float x, float y, int count, const char** paths) { return false; };
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};
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struct switcher
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{
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float w, h;
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int which;
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vector<widget*> children;
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switcher(vector<widget*> children_) :
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w(0),
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h(0),
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which(0),
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children(children_)
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{
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for(auto it : children) {
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float cw, ch;
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tie(cw, ch) = it->get_min_dimensions();
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w = max(w, cw);
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h = max(h, ch);
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}
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}
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virtual width_height get_min_dimensions() const
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{
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return {w, h};
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}
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virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
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{
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children[which]->draw(now, to_screen, x, y, w, h);
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}
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virtual bool click(double now, float x, float y)
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{
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return children[which]->click(now, x, y);
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}
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virtual void hover(double now, float x, float y)
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{
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children[which]->hover(now, x, y);
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}
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virtual void drag(double now, float x, float y)
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{
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children[which]->drag(now, x, y);
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}
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virtual void release(double now, float x, float y)
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{
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children[which]->release(now, x, y);
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}
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virtual bool drop(double now, float x, float y, int count, const char** paths)
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{
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return children[which]->drop(now, x, y, count, paths);
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}
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};
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struct spacer : public widget
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{
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float w, h;
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spacer(float w_, float h_) :
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w(w_),
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h(h_)
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{}
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virtual width_height get_min_dimensions() const
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{
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return {w, h};
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}
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};
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struct placed_widget
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{
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widget *widg;
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float x, y, w, h;
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};
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struct padding : public widget
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{
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widget* child;
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float w, h;
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float left_pad, right_pad, top_pad, bottom_pad;
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float cw, ch;
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padding(float left_pad_, float right_pad_, float top_pad_, float bottom_pad_, widget* child_) :
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child(child_),
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left_pad(left_pad_),
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right_pad(right_pad_),
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top_pad(top_pad_),
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bottom_pad(bottom_pad_)
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{
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tie(cw, ch) = child->get_min_dimensions();
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w = cw + left_pad_ + right_pad_;
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h = ch + top_pad_ + bottom_pad_;
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}
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virtual width_height get_min_dimensions() const
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{
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return {w, h};
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}
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virtual void draw(double now, float to_screen[9], float x, float y, float w_, float h_)
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{
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child->draw(now, to_screen, x + left_pad, y + top_pad, w_ - left_pad - right_pad, h_ - top_pad - bottom_pad);
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}
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virtual bool drop(double now, float x, float y, int count, const char **paths)
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{
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return child->drop(now, x + left_pad, y + top_pad, count, paths);
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}
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virtual bool click(double now, float x, float y)
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{
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return child->click(now, x + left_pad, y + top_pad);
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}
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virtual void hover(double now, float x, float y)
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{
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child->hover(now, x + left_pad, y + top_pad);
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}
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virtual void drag(double now, float x, float y)
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{
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child->drag(now, x + left_pad, y + top_pad);
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}
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virtual void release(double now, float x, float y)
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{
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child->release(now, x + left_pad, y + top_pad);
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}
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};
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struct centering : public widget
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{
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float w, h;
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float cw, ch;
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widget* child;
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centering(widget* child_) : child(child_)
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{
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tie(cw, ch) = child->get_min_dimensions();
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}
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virtual width_height get_min_dimensions() const
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{
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return {cw, ch};
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}
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virtual void draw(double now, float to_screen[9], float x, float y, float w_, float h_)
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{
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w = w_;
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h = h_;
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child->draw(now, to_screen, x + (w - cw) / 2, y + (h - ch) / 2, cw, ch);
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}
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virtual bool drop(double now, float x, float y, int count, const char **paths)
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{
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return child->drop(now, x - (w - cw) / 2, y - (h - ch) / 2, count, paths);
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}
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virtual bool click(double now, float x, float y)
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{
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return child->click(now, x - (w - cw) / 2, y - (h - ch) / 2); // XXX should limit to cw,ch too
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}
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virtual void hover(double now, float x, float y)
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{
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child->hover(now, x - (w - cw) / 2, y - (h - ch) / 2);
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}
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virtual void drag(double now, float x, float y)
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{
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child->drag(now, x - (w - cw) / 2, y - (h - ch) / 2);
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}
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virtual void release(double now, float x, float y)
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{
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child->release(now, x - (w - cw) / 2, y - (h - ch) / 2);
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}
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};
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struct widgetbox : public widget
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{
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enum Direction {VERTICAL, HORIZONTAL} dir;
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float w, h;
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vector<placed_widget> children;
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placed_widget focus;
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widgetbox(Direction dir_, vector<widget*> children_) :
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dir(dir_),
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w(0),
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h(0),
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focus({nullptr, 0, 0, 0, 0})
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{
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for(auto it : children_) {
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widget *child = it;
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float cw, ch;
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tie(cw, ch) = child->get_min_dimensions();
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if(dir == HORIZONTAL) {
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w += cw;
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h = std::max(h, ch);
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} else {
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w = std::max(w, cw);
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h += ch;
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}
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}
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float x = 0;
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float y = 0;
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for(auto it : children_) {
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widget *child = it;
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float cw, ch;
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tie(cw, ch) = child->get_min_dimensions();
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if(dir == HORIZONTAL) {
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children.push_back({child, x, y, cw, h});
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x += cw;
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} else {
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children.push_back({child, x, y, w, ch});
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y += ch;
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}
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}
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}
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virtual width_height get_min_dimensions() const
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{
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return {w, h};
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}
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virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
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{
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for(auto child : children) {
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child.widg->draw(now, to_screen, x + child.x, y + child.y, child.w, child.h);
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}
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}
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virtual bool drop(double now, float x, float y, int count, const char **paths)
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{
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for(auto child : children) {
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if(child.widg->drop(now, x - child.x, y - child.y, count, paths)) {
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return true;
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}
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}
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return false;
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}
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virtual bool click(double now, float x, float y)
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{
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for(auto child : children) {
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if(child.widg->click(now, x - child.x, y - child.y)) {
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focus = child;
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return true;
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}
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}
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return false;
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}
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virtual void hover(double now, float x, float y)
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{
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for(auto child : children) {
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if(x >= child.x && x < child.x + child.w && y >= child.y && y < child.y + child.h)
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child.widg->hover(now, x - child.x, y - child.y);
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}
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}
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virtual void drag(double now, float x, float y)
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{
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focus.widg->click(now, x - focus.x, y - focus.y);
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}
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virtual void release(double now, float x, float y)
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{
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focus.widg->release(now, x - focus.x, y - focus.y);
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focus = {nullptr, 0, 0};
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}
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};
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void set(float v[4], float x, float y, float z, float w)
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{
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v[0] = x;
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267
ui_widgets.h
Normal file
267
ui_widgets.h
Normal file
@ -0,0 +1,267 @@
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#ifndef _UI_WIDGETS_H_
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#define _UI_WIDGETS_H_
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#include <utility>
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#include <vector>
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#include <tuple>
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typedef std::pair<float, float> width_height;
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struct widget
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{
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virtual width_height get_min_dimensions() const = 0;
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virtual void draw(double now, float to_screen[9], float x, float y, float w, float h) {};
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virtual bool click(double now, float x, float y) { return false; };
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virtual void hover(double now, float x, float y) {};
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virtual void drag(double now, float x, float y) {};
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virtual void release(double now, float x, float y) {};
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virtual bool drop(double now, float x, float y, int count, const char** paths) { return false; };
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};
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struct switcher
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{
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float w, h;
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int which;
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std::vector<widget*> children;
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switcher(std::vector<widget*> children_) :
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w(0),
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h(0),
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which(0),
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children(children_)
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{
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for(auto it : children) {
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float cw, ch;
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std::tie(cw, ch) = it->get_min_dimensions();
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w = std::max(w, cw);
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h = std::max(h, ch);
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}
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}
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virtual width_height get_min_dimensions() const
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{
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return {w, h};
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}
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virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
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{
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children[which]->draw(now, to_screen, x, y, w, h);
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}
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virtual bool click(double now, float x, float y)
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{
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return children[which]->click(now, x, y);
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}
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virtual void hover(double now, float x, float y)
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{
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children[which]->hover(now, x, y);
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}
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virtual void drag(double now, float x, float y)
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{
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children[which]->drag(now, x, y);
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}
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virtual void release(double now, float x, float y)
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{
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children[which]->release(now, x, y);
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}
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virtual bool drop(double now, float x, float y, int count, const char** paths)
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{
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return children[which]->drop(now, x, y, count, paths);
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}
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};
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struct spacer : public widget
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{
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float w, h;
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spacer(float w_, float h_) :
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w(w_),
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h(h_)
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{}
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virtual width_height get_min_dimensions() const
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{
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return {w, h};
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}
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};
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struct placed_widget
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{
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widget *widg;
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float x, y, w, h;
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};
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struct padding : public widget
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{
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widget* child;
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float w, h;
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float left_pad, right_pad, top_pad, bottom_pad;
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float cw, ch;
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padding(float left_pad_, float right_pad_, float top_pad_, float bottom_pad_, widget* child_) :
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child(child_),
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left_pad(left_pad_),
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right_pad(right_pad_),
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top_pad(top_pad_),
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bottom_pad(bottom_pad_)
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{
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std::tie(cw, ch) = child->get_min_dimensions();
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w = cw + left_pad_ + right_pad_;
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h = ch + top_pad_ + bottom_pad_;
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}
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virtual width_height get_min_dimensions() const
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{
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return {w, h};
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}
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virtual void draw(double now, float to_screen[9], float x, float y, float w_, float h_)
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{
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child->draw(now, to_screen, x + left_pad, y + top_pad, w_ - left_pad - right_pad, h_ - top_pad - bottom_pad);
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}
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virtual bool drop(double now, float x, float y, int count, const char **paths)
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{
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return child->drop(now, x + left_pad, y + top_pad, count, paths);
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}
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virtual bool click(double now, float x, float y)
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{
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return child->click(now, x + left_pad, y + top_pad);
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}
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virtual void hover(double now, float x, float y)
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{
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child->hover(now, x + left_pad, y + top_pad);
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}
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virtual void drag(double now, float x, float y)
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{
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child->drag(now, x + left_pad, y + top_pad);
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}
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virtual void release(double now, float x, float y)
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{
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child->release(now, x + left_pad, y + top_pad);
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}
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};
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struct centering : public widget
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{
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float w, h;
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float cw, ch;
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widget* child;
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centering(widget* child_) : child(child_)
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{
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std::tie(cw, ch) = child->get_min_dimensions();
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}
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virtual width_height get_min_dimensions() const
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{
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return {cw, ch};
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}
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virtual void draw(double now, float to_screen[9], float x, float y, float w_, float h_)
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{
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w = w_;
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h = h_;
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child->draw(now, to_screen, x + (w - cw) / 2, y + (h - ch) / 2, cw, ch);
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}
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virtual bool drop(double now, float x, float y, int count, const char **paths)
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{
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return child->drop(now, x - (w - cw) / 2, y - (h - ch) / 2, count, paths);
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}
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virtual bool click(double now, float x, float y)
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{
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return child->click(now, x - (w - cw) / 2, y - (h - ch) / 2); // XXX should limit to cw,ch too
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}
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virtual void hover(double now, float x, float y)
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{
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child->hover(now, x - (w - cw) / 2, y - (h - ch) / 2);
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}
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virtual void drag(double now, float x, float y)
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{
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child->drag(now, x - (w - cw) / 2, y - (h - ch) / 2);
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}
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virtual void release(double now, float x, float y)
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{
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child->release(now, x - (w - cw) / 2, y - (h - ch) / 2);
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}
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};
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struct widgetbox : public widget
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{
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enum Direction {VERTICAL, HORIZONTAL} dir;
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float w, h;
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std::vector<placed_widget> children;
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placed_widget focus;
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widgetbox(Direction dir_, std::vector<widget*> children_) :
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dir(dir_),
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w(0),
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h(0),
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focus({nullptr, 0, 0, 0, 0})
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{
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for(auto it : children_) {
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widget *child = it;
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float cw, ch;
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std::tie(cw, ch) = child->get_min_dimensions();
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if(dir == HORIZONTAL) {
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w += cw;
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h = std::max(h, ch);
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} else {
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w = std::max(w, cw);
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h += ch;
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}
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}
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float x = 0;
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float y = 0;
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for(auto it : children_) {
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widget *child = it;
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float cw, ch;
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std::tie(cw, ch) = child->get_min_dimensions();
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if(dir == HORIZONTAL) {
|
||||
children.push_back({child, x, y, cw, h});
|
||||
x += cw;
|
||||
} else {
|
||||
children.push_back({child, x, y, w, ch});
|
||||
y += ch;
|
||||
}
|
||||
}
|
||||
}
|
||||
virtual width_height get_min_dimensions() const
|
||||
{
|
||||
return {w, h};
|
||||
}
|
||||
virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
|
||||
{
|
||||
for(auto child : children) {
|
||||
child.widg->draw(now, to_screen, x + child.x, y + child.y, child.w, child.h);
|
||||
}
|
||||
}
|
||||
virtual bool drop(double now, float x, float y, int count, const char **paths)
|
||||
{
|
||||
for(auto child : children) {
|
||||
if(child.widg->drop(now, x - child.x, y - child.y, count, paths)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
virtual bool click(double now, float x, float y)
|
||||
{
|
||||
for(auto child : children) {
|
||||
if(child.widg->click(now, x - child.x, y - child.y)) {
|
||||
focus = child;
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
virtual void hover(double now, float x, float y)
|
||||
{
|
||||
for(auto child : children) {
|
||||
if(x >= child.x && x < child.x + child.w && y >= child.y && y < child.y + child.h)
|
||||
child.widg->hover(now, x - child.x, y - child.y);
|
||||
}
|
||||
}
|
||||
virtual void drag(double now, float x, float y)
|
||||
{
|
||||
focus.widg->click(now, x - focus.x, y - focus.y);
|
||||
}
|
||||
virtual void release(double now, float x, float y)
|
||||
{
|
||||
focus.widg->release(now, x - focus.x, y - focus.y);
|
||||
focus = {nullptr, 0, 0};
|
||||
}
|
||||
};
|
||||
|
||||
#endif /* _UI_WIDGETS_H_ */
|
||||
Loading…
Reference in New Issue
Block a user