Mirrors/gBar
1
0
Fork 0
mirror of https://github.com/scorpion-26/gBar.git synced 2024-11-24 12:12:09 +00:00
Code Issues Projects Releases Packages Wiki Activity

Abstract out quad calculation from Sensor

Browse source 
The calculation of the bounding quad is now in CairoArea, as it is quite
useful
This commit is contained in:
scorpion-26 2023-02-04 16:23:13 +01:00
parent 5654ab6f0b
commit 9e48830dc8
2 changed files with 33 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
src/Widget.cpp
View file

@ -229,6 +229,28 @@ void CairoArea::Create()
ApplyPropertiesToWidget();
}
Quad CairoArea::GetQuad()
{
GtkAllocation dim;
gtk_widget_get_allocation(m_Widget, &dim);
Quad q;
if (dim.height >= dim.width)
{
// Height greater than width; Fill in x and add margin at the top and bottom
q.size = dim.width;
q.x = 0;
q.y = ((double)dim.height - (double)dim.width) / 2;
}
else if (dim.width < dim.height)
{
// Height greater than width; Fill in y and add margin at the sides
q.size = dim.height;
q.y = 0;
q.x = ((double)dim.width - (double)dim.height) / 2;
}
return q;
}
void Sensor::SetValue(double val)
{
m_Val = val;
@ -245,29 +267,11 @@ void Sensor::SetStyle(SensorStyle style)
void Sensor::Draw(cairo_t* cr)
{
GtkAllocation dim;
gtk_widget_get_allocation(m_Widget, &dim);
double xStart = 0;
double yStart = 0;
double size = dim.width;
if (dim.height >= dim.width)
{
// Height greater than width; Fill in x and add margin at the top and bottom
size = dim.width;
xStart = 0;
yStart = ((double)dim.height - (double)dim.width) / 2;
}
else if (dim.width < dim.height)
{
// Height greater than width; Fill in y and add margin at the sides
size = dim.height;
yStart = 0;
xStart = ((double)dim.width - (double)dim.height) / 2;
}
Quad q = GetQuad();
double xCenter = xStart + size / 2;
double yCenter = yStart + size / 2;
double radius = (size / 2) - (m_Style.strokeWidth / 2);
double xCenter = q.x + q.size / 2;
double yCenter = q.y + q.size / 2;
double radius = (q.size / 2) - (m_Style.strokeWidth / 2);
double beg = m_Style.start * (M_PI / 180);
double angle = m_Val * 2 * M_PI;

7
src/Widget.h
View file

@ -47,6 +47,11 @@ struct Transition
uint32_t durationMS;
};
struct Quad
{
double x, y, size;
};
struct SensorStyle
{
double start = -90; // 0 = leftmost; -90 = topmost
@ -203,6 +208,8 @@ public:
protected:
virtual void Draw(cairo_t* cr) = 0;
Quad GetQuad();
};
class Sensor : public CairoArea