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Debug bugs during canvas resize

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Loic Guegan 2023-06-05 20:25:15 +02:00
parent 2a4a20beef
commit e9bcc710ff
2 changed files with 16 additions and 0 deletions
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14
src/components/Scrollbar.cpp
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@ -16,6 +16,8 @@ Scrollbar::Scrollbar(Status *s, bool IsHorizontal) : Component(s) {
DragX = 0;
DragY = 0;
CanvasWidth = 0;
CanvasHeight = 0;
Trigger = false;
}
@ -35,6 +37,15 @@ void Scrollbar::Refresh() {
bar.width = bg.width;
bar.height = bg.height;
// Check if resize, in this case, reset everything (avoid bugs).
// Not that this will be executed during first draw also but it is fine:
if((CanvasWidth != status->CanvasWidth) || (CanvasWidth != status->CanvasWidth)){
status->ScrollX=0;
status->ScrollY=0;
bar.x=bg.x;
bar.y=bg.y;
}
// Compute move table canvas
double MTCanvasHeight = status->CanvasHeight - status->ScrollbarWidth;
double MTCanvasWidth = status->CanvasWidth - status->ScrollbarWidth;
@ -107,6 +118,9 @@ void Scrollbar::Refresh() {
elements.clear();
elements.push_back(bg);
elements.push_back(bar);
// Update cache:
CanvasWidth = status->CanvasWidth;
CanvasHeight = status->CanvasHeight;
}
void Scrollbar::Focus(double XorY){

2
src/components/Scrollbar.hpp
View file

@ -9,6 +9,8 @@ class Scrollbar : public Component {
Element bg,bar;
double DragY,DragX;
bool Trigger;
/// @brief Canvas size cache used to reset on resize
double CanvasWidth, CanvasHeight;
public:
Scrollbar(Status* s,bool IsHorizontal);
void Refresh();