145 lines
3.0 KiB
C++
145 lines
3.0 KiB
C++
#include <cstdio>
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#include <pugl/pugl.h>
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#include "pui.h"
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PUi::~PUi()
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{
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delete this->widget;
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}
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void PUi::OnReshape(int w, int h)
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{
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glViewport(0, 0, w, h);
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glOrtho(0, w, h, 0, 0, 1);
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glMatrixMode(GL_MODELVIEW);
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glDisable(GL_DEPTH_TEST);
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glLoadIdentity();
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}
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void PUi::OnDisplay()
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{
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if (!this->initialised) this->InitTextures();
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glClear(GL_COLOR_BUFFER_BIT);
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this->widget->OnPaint();
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}
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void PUi::OnMotion(int x, int y)
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{
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if (!this->mb) {
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/* No button */
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Widget *w = this->widget->GetWidget(x, y);
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if (this->active != w) {
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if (this->active) this->active->active = false;
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this->active = w;
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if (this->active) this->active->active = true;
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this->Repaint();
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}
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return;
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}
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if (this->active && this->mb == 2) {
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/* Left button drag */
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float value = this->active->GetNewValue(x, y);
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if (this->active->SetValue(value)) {
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this->ParameterChanged(this->active);
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this->Repaint();
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}
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}
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}
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void PUi::OnMouse(int button, bool press, int x, int y)
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{
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/* Keep track of button state */
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if (press) {
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this->mb |= (1 << button);
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} else {
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this->mb &= ~(1 << button);
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}
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if (!this->mb) {
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/* No button press, check for widget focus change */
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Widget *w = this->widget->GetWidget(x, y);
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if (this->active != w) {
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if (this->active) this->active->active = false;
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this->active = w;
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if (this->active) this->active->active = true;
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this->Repaint();
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}
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return;
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}
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if (this->active) {
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/* RMB, zero value */
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float value = (this->mb & 8) ? 0 : this->active->GetNewValue(x, y);
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if (this->active->SetValue(value)) {
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this->ParameterChanged(this->active);
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this->Repaint();
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}
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}
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}
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void PUi::OnScroll(float dx, float dy)
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{
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if (this->active) {
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float value = this->active->value + (dy * .1f);
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if (this->active->SetValue(value)) {
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this->ParameterChanged(this->active);
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this->Repaint();
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}
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}
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}
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static void onReshape(PuglView *view, int width, int height)
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{
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PUi *pui = (PUi *)puglGetHandle(view);
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pui->OnReshape(width, height);
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}
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static void onDisplay(PuglView *view)
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{
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PUi *pui = (PUi *)puglGetHandle(view);
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pui->OnDisplay();
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}
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static void onKeyboard(PuglView *view, bool press, uint32_t key)
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{
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printf("keyboard %d %X\n", press, key);
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}
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static void onSpecial(PuglView *view, bool press, PuglKey key)
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{
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printf("special %d %X\n", press, key);
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}
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static void onMotion(PuglView *view, int x, int y)
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{
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PUi *pui = (PUi *)puglGetHandle(view);
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pui->OnMotion(x, y);
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}
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static void onMouse(PuglView *view, int button, bool press, int x, int y)
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{
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PUi *pui = (PUi *)puglGetHandle(view);
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pui->OnMouse(button, press, x, y);
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}
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static void onScroll(PuglView *view, float dx, float dy)
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{
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PUi *pui = (PUi *)puglGetHandle(view);
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pui->OnScroll(dx, dy);
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}
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void PUi::SetFunc()
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{
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puglSetDisplayFunc(this->view, onDisplay);
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puglSetReshapeFunc(this->view, onReshape);
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puglSetKeyboardFunc(this->view, onKeyboard);
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puglSetSpecialFunc(this->view, onSpecial);
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puglSetMotionFunc(this->view, onMotion);
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puglSetMouseFunc(this->view, onMouse);
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puglSetScrollFunc(this->view, onScroll);
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}
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