petern/pplugins
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Handle some key presses. Support scaled UI.

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This commit is contained in:
Peter Nelson
2013-02-03 19:53:55 +00:00
parent ec2f1ee970
commit 94b6ed53b6
2 changed files with 61 additions and 4 deletions
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60
pui/pui.cpp
View File

@@ -12,7 +12,7 @@ void PUi::OnReshape(int w, int h)
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glViewport(0, 0, w, h);
glOrtho(0, w, h, 0, 0, 1);
glOrtho(0, w * scale, h * scale, 0, 0, 1);
glMatrixMode(GL_MODELVIEW);
glDisable(GL_DEPTH_TEST);
glLoadIdentity();
@@ -26,8 +26,52 @@ void PUi::OnDisplay()
this->widget->OnPaint();
}
void PUi::OnKeyboard(bool press, uint32_t key)
{
printf("keyboard %d %X\n", press, key);
}
void PUi::OnSpecial(bool press, PuglKey key)
{
if (press) {
uint32_t port = (this->active ? this->active->port : 0);
uint32_t newport = port;
switch (key) {
case PUGL_KEY_LEFT: newport--; break;
case PUGL_KEY_RIGHT: newport++; break;
case PUGL_KEY_PAGE_UP: this->OnScroll(0, 2.5f); return;
case PUGL_KEY_PAGE_DOWN: this->OnScroll(0, -2.5f); return;
case PUGL_KEY_UP: this->OnScroll(0, 1); return;
case PUGL_KEY_DOWN: this->OnScroll(0, -1); return;
case PUGL_KEY_SHIFT: this->mm |= 1; break;
case PUGL_KEY_CTRL: this->mm |= 2; break;
default: break;
}
if (port != newport) {
if (this->active) this->active->active = false;
this->active = this->widget->GetWidget(newport);
if (this->active) this->active->active = true;
this->Repaint();
}
} else {
switch (key) {
case PUGL_KEY_SHIFT: this->mm &= ~1; break;
case PUGL_KEY_CTRL: this->mm &= ~2; break;
default: break;
}
}
printf("special %d %X\n", press, key);
}
void PUi::OnMotion(int x, int y)
{
x *= scale;
y *= scale;
if (!this->mb) {
/* No button */
Widget *w = this->widget->GetWidget(x, y);
@@ -52,6 +96,9 @@ void PUi::OnMotion(int x, int y)
void PUi::OnMouse(int button, bool press, int x, int y)
{
x *= scale;
y *= scale;
/* Keep track of button state */
if (press) {
this->mb |= (1 << button);
@@ -84,7 +131,10 @@ void PUi::OnMouse(int button, bool press, int x, int y)
void PUi::OnScroll(float dx, float dy)
{
if (this->active) {
float value = this->active->value + (dy * .1f);
dy *= .1f;
if (this->mm & 1) dy *= .1f;
if (this->mm & 2) dy *= .01f;
float value = this->active->value + dy;
if (this->active->SetValue(value)) {
this->ParameterChanged(this->active);
this->Repaint();
@@ -106,12 +156,14 @@ static void onDisplay(PuglView *view)
static void onKeyboard(PuglView *view, bool press, uint32_t key)
{
printf("keyboard %d %X\n", press, key);
PUi *pui = (PUi *)puglGetHandle(view);
pui->OnKeyboard(press, key);
}
static void onSpecial(PuglView *view, bool press, PuglKey key)
{
printf("special %d %X\n", press, key);
PUi *pui = (PUi *)puglGetHandle(view);
pui->OnSpecial(press, key);
}
static void onMotion(PuglView *view, int x, int y)

5
pui/pui.h
View File

@@ -13,6 +13,7 @@ struct PUi : PTextures {
Widget *active;
int mx, my, mb, mm;
float scale;
virtual ~PUi();
@@ -22,6 +23,10 @@ struct PUi : PTextures {
void OnDisplay();
virtual void OnKeyboard(bool press, uint32_t key);
virtual void OnSpecial(bool press, PuglKey key);
void OnMotion(int x, int y);
void OnMouse(int button, bool press, int x, int y);