static bool buttonLogic(unsigned int id, bool over)
{
bool res = false;
// process down
if (!anyActive())
{
if (over)
setHot(id);
if (isHot(id) && g_state.leftPressed)
setActive(id);
}
// if button is active, then react on left up
if (isActive(id))
{
g_state.isActive = true;
if (over)
setHot(id);
if (g_state.leftReleased)
{
if (isHot(id))
res = true;
clearActive();
}
}
if (isHot(id))
g_state.isHot = true;
return res;
}
static bool buttonLogic(UIPanel::State & state, uint32_t id, bool over)
{
bool result = false;
// process down
if (!anyActive(state))
{
if (over)
setHot(state, id);
if (isHot(state, id) && state.mousePressed)
setActive(state, id);
}
// if button is active, then react on left up
if (isActive(state, id))
{
state.isActive = true;
if (over)
setHot(state, id);
if (state.mouseReleased)
{
if (isHot(state, id))
result = true;
clearActive(state);
}
}
if (isHot(state, id))
state.isHot = true;
return result;
}
static bool textInputLogic(unsigned int id, bool over){
//same as button logic without the react on left up
bool res = false;
// process down
if (!anyActive())
{
if (over)
setHot(id);
if (isHot(id) && g_state.leftPressed)
setInputable(id);
}
if (isHot(id))
g_state.isHot = true;
return res;
}
bool imguiItem(const char* text, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
if (isHot(id))
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 2.0f, imguiRGBA(255,196,0,isActive(id)?196:96));
if (enabled)
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(255,255,255,200));
else
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
return res;
}
bool UIPanel::slider(const char * text, float * value, float valueMin, float valueMax, float valueInc, bool enabled)
{
_state.widgetId++;
uint32_t id = _state.widgetId;
const float x = _state.widgetX;
const float y = _state.widgetY;
const float w = _state.widgetW;
const float h = SLIDER_HEIGHT;
_state.widgetY += SLIDER_HEIGHT + DEFAULT_SPACING;
addRoundedRectangle(_faceMesh->geometry, Vector2(x, y), Vector2(w, h), 4.0f, Color(0, 0, 0, 0.5));
const float range = w - SLIDER_MARKER_WIDTH;
float u = (*value - valueMin) / (valueMax - valueMin);
if (u < 0.0f) u = 0.0f;
if (u > 1.0f) u = 1.0f;
float m = u * range;
bool over = enabled && inRect(_state, x + m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
bool result = buttonLogic(_state, id, over);
bool valueChanged = false;
if (isActive(_state, id))
{
if (_state.wentActive)
{
_state.mouseDrag.x = _state.mousePos.x;
_state.dragOrigin = u;
}
if (_state.mouseDrag.x != _state.mousePos.x)
{
u = _state.dragOrigin + (float)(_state.mousePos.x - _state.mouseDrag.x) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*value = valueMin + u * (valueMax - valueMin);
*value = std::floor(*value / valueInc + 0.5f) * valueInc;
m = u * range;
valueChanged = true;
}
}
if (isActive(_state, id))
addRoundedRectangle(_faceMesh->geometry, Vector2(x + m, y), Vector2(SLIDER_MARKER_WIDTH, SLIDER_HEIGHT), 4.0f, Color(1, 1, 1, 1));
else
addRoundedRectangle(_faceMesh->geometry, Vector2(x + m, y), Vector2(SLIDER_MARKER_WIDTH, SLIDER_HEIGHT), 4.0f, isHot(_state, id) ? Color(1, 0.75, 0, 1) : Color(1, 1, 1, 0.25));
char valueStr[16];
sprintf(valueStr, "%d%%", (int)std::ceil((*value - valueMin) / (valueMax - valueMin) * 100.0));
const float valueLength = font->textLength(valueStr);
Color fontColor = isHot(_state, id) ? Color(1, 0.75, 0, 1) : Color(1, 1, 1, 0.8);
if (!enabled)
fontColor = Color(0.5, 0.5, 0.5, 0.8);
font->buildTextGeometry(text, Vector2(x + SLIDER_HEIGHT * 0.5f, y + SLIDER_HEIGHT * 0.5f + TEXT_HEIGHT * 0.5f), _fontMesh->geometry, fontColor);
font->buildTextGeometry(valueStr, Vector2(x + w - valueLength - SLIDER_HEIGHT * 0.5f, y + SLIDER_HEIGHT * 0.5f + TEXT_HEIGHT * 0.5f), _fontMesh->geometry, fontColor);
return result || valueChanged;
}
bool UIPanel::checkbox(const char * str, bool checked, bool enabled)
{
_state.widgetId++;
uint32_t id = _state.widgetId;
float x = _state.widgetX;
float y = _state.widgetY; // + BUTTON_HEIGHT;
float w = _state.widgetW;
float h = BUTTON_HEIGHT;
_state.widgetY += BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(_state, x, y, w, h);
bool result = buttonLogic(_state, id, over);
const float cx = x + BUTTON_HEIGHT * 0.5f - CHECK_SIZE * 0.5f;
const float cy = y + BUTTON_HEIGHT * 0.5f - CHECK_SIZE * 0.5f;
addRoundedRectangle(_faceMesh->geometry, Vector2(cx - 3.0f, cy - 3.0f), Vector2(CHECK_SIZE + 6.0f, CHECK_SIZE + 6.0f), 4.0f, Color(0.5, 0.5, 0.5, isActive(_state, id) ? 0.75 : 0.35));
if (checked)
{
if (enabled)
addRoundedRectangle(_faceMesh->geometry, Vector2(cx, cy), Vector2(CHECK_SIZE, CHECK_SIZE), CHECK_SIZE * 0.5f - 1.0f, Color(1, 1, 1, isActive(_state, id) ? 1 : 0.8));
else
addRoundedRectangle(_faceMesh->geometry, Vector2(cx, cy), Vector2(CHECK_SIZE, CHECK_SIZE), CHECK_SIZE * 0.5f - 1.0f, Color(0.5, 0.5, 0.5, 0.8));
}
if (enabled)
font->buildTextGeometry(str, Vector2(x + BUTTON_HEIGHT, y + BUTTON_HEIGHT * 0.5f + TEXT_HEIGHT * 0.5f), _fontMesh->geometry, isHot(_state, id) ? Color(1, 0.75, 0, 1) : Color(1, 1, 1, 0.8));
else
font->buildTextGeometry(str, Vector2(x + BUTTON_HEIGHT, y + BUTTON_HEIGHT * 0.5f + TEXT_HEIGHT * 0.5f), _fontMesh->geometry, Color(0.5, 0.5, 0.5, 0.8));
return result;
}
bool UIPanel::button(const char * str, bool enabled)
{
_state.widgetId++;
uint32_t id = _state.widgetId;
const float x = _state.widgetX;
const float y = _state.widgetY;
const float w = _state.widgetW;
const float h = BUTTON_HEIGHT;
_state.widgetY += BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(_state, x, y, w, h);
bool result = buttonLogic(_state, id, over);
addRoundedRectangle(_faceMesh->geometry, Vector2(x, y), Vector2(w, h), BUTTON_HEIGHT * 0.5f - 1.0f, Color(0.5, 0.5, 0.5, isActive(_state, id) ? 0.75 : 0.35));
const float textLength = font->textLength(str);
const float textX = x + BUTTON_HEIGHT * 0.5f + (w - BUTTON_HEIGHT) * 0.5f - textLength * 0.5f;
if (enabled)
font->buildTextGeometry(str, Vector2(textX, y + BUTTON_HEIGHT * 0.5f + TEXT_HEIGHT * 0.5f), _fontMesh->geometry, isHot(_state, id) ? Color(1, 0.75, 0, 1) : Color(1, 1, 1, 0.8));
else
font->buildTextGeometry(str, Vector2(textX, y + BUTTON_HEIGHT * 0.5f + TEXT_HEIGHT * 0.5f), _fontMesh->geometry, isHot(_state, id) ? Color(1, 0.75, 0, 1) : Color(0.5, 0.5, 0.5, 0.8));
return result;
}
bool imguiSlider(const char* text, float* val, float vmin, float vmax, float vinc, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = SLIDER_HEIGHT;
g_state.widgetY -= SLIDER_HEIGHT + DEFAULT_SPACING;
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 4.0f, imguiRGBA(0,0,0,128));
const int range = w - SLIDER_MARKER_WIDTH;
float u = (*val - vmin) / (vmax-vmin);
if (u < 0) u = 0;
if (u > 1) u = 1;
int m = (int)(u * range);
bool over = enabled && inRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
bool res = buttonLogic(id, over);
bool valChanged = false;
if (isActive(id))
{
if (g_state.wentActive)
{
g_state.dragX = g_state.mx;
g_state.dragOrig = u;
}
if (g_state.dragX != g_state.mx)
{
u = g_state.dragOrig + (float)(g_state.mx - g_state.dragX) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*val = vmin + u*(vmax-vmin);
*val = floorf(*val/vinc+0.5f)*vinc; // Snap to vinc
m = (int)(u * range);
valChanged = true;
}
}
if (isActive(id))
addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, imguiRGBA(255,255,255,255));
else
addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, isHot(id) ? imguiRGBA(255,196,0,128) : imguiRGBA(255,255,255,64));
// TODO: fix this, take a look at 'nicenum'.
int digits = (int)(ceilf(log10f(vinc)));
char fmt[16];
snprintf(fmt, 16, "%%.%df", digits >= 0 ? 0 : -digits);
char msg[128];
snprintf(msg, 128, fmt, *val);
if (enabled)
{
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
}
else
{
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, imguiRGBA(128,128,128,200));
}
return res || valChanged;
}
bool imguiCollapse(const char* text, const char* subtext, bool checked, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT; // + DEFAULT_SPACING;
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
if (checked)
addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 2, imguiRGBA(255,255,255,isActive(id)?255:200));
else
addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 1, imguiRGBA(255,255,255,isActive(id)?255:200));
if (enabled)
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
else
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
if (subtext)
addGfxCmdText(x+w-BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, subtext, imguiRGBA(255,255,255,128));
return res;
}
bool imguiCheck(const char* text, bool checked, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
addGfxCmdRoundedRect((float)cx-3, (float)cy-3, (float)CHECK_SIZE+6, (float)CHECK_SIZE+6, 4, imguiRGBA(128,128,128, isActive(id)?196:96));
if (checked)
{
if (enabled)
addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(255,255,255,isActive(id)?255:200));
else
addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(128,128,128,200));
}
if (enabled)
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
else
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
return res;
}
void imguiEndScrollArea()
{
// Disable scissoring.
addGfxCmdScissor(-1,-1,-1,-1);
// Draw scroll bar
int x = g_scrollRight+SCROLL_AREA_PADDING/2;
int y = g_scrollBottom;
int w = SCROLL_AREA_PADDING*2;
int h = g_scrollTop - g_scrollBottom;
int stop = g_scrollAreaTop;
int sbot = g_state.widgetY;
int sh = stop - sbot; // The scrollable area height.
float barHeight = (float)h/(float)sh;
if (barHeight < 1)
{
float barY = (float)(y - sbot)/(float)sh;
if (barY < 0) barY = 0;
if (barY > 1) barY = 1;
// Handle scroll bar logic.
unsigned int hid = g_scrollId;
int hx = x;
int hy = y + (int)(barY*h);
int hw = w;
int hh = (int)(barHeight*h);
const int range = h - (hh-1);
bool over = inRect(hx, hy, hw, hh);
buttonLogic(hid, over);
if (isActive(hid))
{
float u = (float)(hy-y) / (float)range;
if (g_state.wentActive)
{
g_state.dragY = g_state.my;
g_state.dragOrig = u;
}
if (g_state.dragY != g_state.my)
{
u = g_state.dragOrig + (g_state.my - g_state.dragY) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*g_scrollVal = (int)((1-u) * (sh - h));
}
}
// BG
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)w/2-1, imguiRGBA(0,0,0,196));
// Bar
if (isActive(hid))
addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, imguiRGBA(255,196,0,196));
else
addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, isHot(hid) ? imguiRGBA(255,196,0,96) : imguiRGBA(255,255,255,64));
// Handle mouse scrolling.
if (g_insideScrollArea) // && !anyActive())
{
if (g_state.scroll)
{
*g_scrollVal += 20*g_state.scroll;
if (*g_scrollVal < 0) *g_scrollVal = 0;
if (*g_scrollVal > (sh - h)) *g_scrollVal = (sh - h);
}
}
}
g_state.insideCurrentScroll = false;
}
bool imguiSlider(const char* text, int* val, int vmin, int vmax, int vinc, bool enabled)
{
s_state.widgetId++;
unsigned int id = (s_state.areaId << 16) | s_state.widgetId;
int x = s_state.widgetX;
int y = s_state.widgetY - BUTTON_HEIGHT;
int w = s_state.widgetW;
int h = SLIDER_HEIGHT;
s_state.widgetY -= SLIDER_HEIGHT + DEFAULT_SPACING;
AddGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 4.0f, SetRGBA(0, 0, 0, 128));
const int range = w - SLIDER_MARKER_WIDTH;
float u = (*val - vmin) / float(vmax - vmin);
if (u < 0) u = 0;
if (u > 1) u = 1;
int m = (int)(u * range);
bool over = enabled && inRect(x + m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
bool res = buttonLogic(id, over);
bool valChanged = false;
if (isActive(id))
{
if (s_state.wentActive)
{
s_state.dragX = s_state.mx;
s_state.dragOrig = u;
}
if (s_state.dragX != s_state.mx)
{
u = s_state.dragOrig + (float)(s_state.mx - s_state.dragX) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*val = int(vmin + u*(vmax - vmin));
*val = int(floorf(*val / float(vinc) + 0.5f))*vinc; // Snap to vinc
m = (int)(u * range);
valChanged = true;
}
}
if (isActive(id))
AddGfxCmdRoundedRect((float)(x + m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, SetRGBA(255, 255, 255, 255));
else
AddGfxCmdRoundedRect((float)(x + m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, isHot(id) ? SetRGBA(255, 196, 0, 128) : SetRGBA(255, 255, 255, 64));
char msg[128];
snprintf(msg, 128, "%d", *val);
if (enabled)
{
AddGfxCmdText(x + SLIDER_HEIGHT / 2, y + SLIDER_HEIGHT / 2 - TEXT_HEIGHT / 2, TEXT_ALIGN_LEFT, text, isHot(id) ? SetRGBA(255, 196, 0, 255) : SetRGBA(255, 255, 255, 200));
AddGfxCmdText(x + w - SLIDER_HEIGHT / 2, y + SLIDER_HEIGHT / 2 - TEXT_HEIGHT / 2, TEXT_ALIGN_RIGHT, msg, isHot(id) ? SetRGBA(255, 196, 0, 255) : SetRGBA(255, 255, 255, 200));
}
else
{
AddGfxCmdText(x + SLIDER_HEIGHT / 2, y + SLIDER_HEIGHT / 2 - TEXT_HEIGHT / 2, TEXT_ALIGN_LEFT, text, SetRGBA(128, 128, 128, 200));
AddGfxCmdText(x + w - SLIDER_HEIGHT / 2, y + SLIDER_HEIGHT / 2 - TEXT_HEIGHT / 2, TEXT_ALIGN_RIGHT, msg, SetRGBA(128, 128, 128, 200));
}
return res || valChanged;
}
bool imguiButton(const char* text, bool enabled)
{
s_state.widgetId++;
unsigned int id = (s_state.areaId << 16) | s_state.widgetId;
int x = s_state.widgetX;
int y = s_state.widgetY - BUTTON_HEIGHT;
int w = s_state.widgetW;
int h = BUTTON_HEIGHT;
s_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
AddGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)BUTTON_HEIGHT / 2 - 1, SetRGBA(128, 128, 128, isActive(id) ? 196 : 96));
if (enabled)
AddGfxCmdText(x + BUTTON_HEIGHT / 2, y + BUTTON_HEIGHT / 2 - TEXT_HEIGHT / 2, TEXT_ALIGN_LEFT, text, isHot(id) ? SetRGBA(255, 196, 0, 255) : SetRGBA(255, 255, 255, 200));
else
AddGfxCmdText(x + BUTTON_HEIGHT / 2, y + BUTTON_HEIGHT / 2 - TEXT_HEIGHT / 2, TEXT_ALIGN_LEFT, text, SetRGBA(128, 128, 128, 200));
return res;
}
