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Widgets draw in area, and implement centering widget, fixing #7 and fixing #6

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This commit is contained in:
Brad Grantham 2016-11-28 18:43:53 -08:00
parent 577a806799
commit 91e8aaf726
1 changed files with 60 additions and 22 deletions
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82
interface.cpp
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@ -479,7 +479,7 @@ void set_shader(float to_screen[9], DisplayMode display_mode, bool mixed_mode, i
struct widget
{
virtual tuple<float, float> get_min_dimensions() const = 0;
virtual void draw(double now, float to_screen[9], float x, float y) = 0;
virtual void draw(double now, float to_screen[9], float x, float y, float w, float h) = 0;
virtual bool click(double now, float x, float y) = 0;
virtual void drag(double now, float x, float y) = 0;
virtual void release(double now, float x, float y) = 0;
@ -487,8 +487,43 @@ struct widget
struct placed_widget
{
widget *w;
float x, y;
widget *widg;
float x, y, w, h;
};
struct centering : public widget
{
float w, h;
float cw, ch;
widget* child;
centering(widget* child_) : child(child_)
{
tie(cw, ch) = child->get_min_dimensions();
}
virtual tuple<float, float> get_min_dimensions() const
{
return make_tuple(cw, ch);
}
virtual void draw(double now, float to_screen[9], float x, float y, float w_, float h_)
{
w = w_;
h = h_;
child->draw(now, to_screen, x + (w - cw) / 2, y + (h - ch) / 2, cw, ch);
}
virtual bool click(double now, float x, float y)
{
return child->click(now, x - (w - cw) / 2, y - (h - ch) / 2); // XXX should limit to cw,ch too
}
virtual void drag(double now, float x, float y)
{
child->click(now, x - (w - cw) / 2, y - (h - ch) / 2);
}
virtual void release(double now, float x, float y)
{
child->release(now, x - (w - cw) / 2, y - (h - ch) / 2);
}
};
struct vbox : public widget
@ -500,7 +535,7 @@ struct vbox : public widget
vbox(vector<widget*> children_) :
w(0),
h(0),
focus({nullptr, 0, 0})
focus({nullptr, 0, 0, 0, 0})
{
for(auto it = children_.begin(); it != children_.end(); it++) {
widget *child = *it;
@ -514,8 +549,7 @@ struct vbox : public widget
widget *child = *it;
float cw, ch;
tie(cw, ch) = child->get_min_dimensions();
float x = (w - cw) / 2;
children.push_back({child, x, y});
children.push_back({child, 0, y, w, ch});
y += ch;
}
}
@ -523,18 +557,18 @@ struct vbox : public widget
{
return make_tuple(w, h);
}
virtual void draw(double now, float to_screen[9], float x, float y)
virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
{
for(auto it = children.begin(); it != children.end(); it++) {
placed_widget& child = *it;
child.w->draw(now, to_screen, x + child.x, y + child.y);
child.widg->draw(now, to_screen, x + child.x, y + child.y, child.w, child.h);
}
}
virtual bool click(double now, float x, float y)
{
for(auto it = children.begin(); it != children.end(); it++) {
placed_widget& child = *it;
if(child.w->click(now, x - child.x, y - child.y)) {
if(child.widg->click(now, x - child.x, y - child.y)) {
focus = child;
return true;
}
@ -543,11 +577,11 @@ struct vbox : public widget
}
virtual void drag(double now, float x, float y)
{
focus.w->click(now, x - focus.x, y - focus.y);
focus.widg->click(now, x - focus.x, y - focus.y);
}
virtual void release(double now, float x, float y)
{
focus.w->release(now, x - focus.x, y - focus.y);
focus.widg->release(now, x - focus.x, y - focus.y);
focus = {nullptr, 0, 0};
}
};
@ -598,9 +632,9 @@ struct text_widget : public widget
return make_tuple(content.size() * 7, 8);
}
virtual void draw(double now, float to_screen[9], float x, float y)
virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
{
set_textport_shader(to_screen, string_texture, 0, x + 3, y + 3, fg, bg);
set_textport_shader(to_screen, string_texture, 0, x, y, fg, bg);
glBindVertexArray(rectangle);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
@ -643,13 +677,13 @@ struct momentary : public text_widget
return make_tuple(w + 3 * 2, h + 3 * 2);
}
virtual void draw(double now, float to_screen[9], float x, float y)
virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
{
// draw lines 2 pixels around
// draw lines 1 pixels around
// blank area 0 pixels around
text_widget::draw(now, to_screen, x, y);
text_widget::draw(now, to_screen, x + 3, y + 3, w - 6, h - 6);
}
virtual bool click(double now, float x, float y)
@ -716,13 +750,13 @@ struct toggle : public text_widget
return make_tuple(w + 3 * 2, h + 3 * 2);
}
virtual void draw(double now, float to_screen[9], float x, float y)
virtual void draw(double now, float to_screen[9], float x, float y, float w, float h)
{
// draw lines 2 pixels around
// draw lines 1 pixels around
// blank area 0 pixels around
text_widget::draw(now, to_screen, x, y);
text_widget::draw(now, to_screen, x + 3, y + 3, w - 6, h - 6);
}
virtual bool click(double now, float x, float y)
@ -780,7 +814,7 @@ struct toggle : public text_widget
}
};
vbox *ui;
widget *ui;
toggle *caps_toggle;
void initialize_gl(void)
@ -828,9 +862,13 @@ void initialize_gl(void)
caps_toggle = new toggle("CAPS", true, [](){force_caps_on = true;}, [](){force_caps_on = false;});
toggle *color_toggle = new toggle("COLOR", false, [](){draw_using_color = true;}, [](){draw_using_color = false;});
toggle *pause_toggle = new toggle("PAUSE", false, [](){event_queue.push_back({PAUSE, 1});}, [](){event_queue.push_back({PAUSE, 0});});
vector<widget*> widgets = {reset_momentary, reboot_momentary, fast_toggle, caps_toggle, color_toggle, pause_toggle};
ui = new vbox(widgets);
CheckOpenGL(__FILE__, __LINE__);
vector<widget*> buttons = {reset_momentary, reboot_momentary, fast_toggle, caps_toggle, color_toggle, pause_toggle};
vector<widget*> buttons_centered;
for(auto b : buttons)
buttons_centered.push_back(new centering(b));
ui = new centering(new vbox(buttons_centered));
}
const float widget_scale = 4;
@ -883,7 +921,7 @@ static void redraw(GLFWwindow *window)
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
CheckOpenGL(__FILE__, __LINE__);
ui->draw(0.0, to_screen_transform, 280, 0);
ui->draw(0.0, to_screen_transform, 280, 0, 80, 192);
}
static void error_callback(int error, const char* description)