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Add support to scroll points in FourPointsController with spacebar

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Related to #741
This commit is contained in:
David Capello 2015-08-11 20:35:19 -03:00
parent 7342030555
commit 045f11bf68
1 changed files with 47 additions and 11 deletions
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58
src/app/tools/controllers.h
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@ -305,10 +305,14 @@ public:
};
class FourPointsController : public Controller {
int m_clickCounter;
public:
void pressButton(Points& points, const Point& point)
{
void prepareController(ui::KeyModifiers modifiers) override {
m_movingOrigin = false;
}
void pressButton(Points& points, const Point& point) override {
m_last = point;
if (points.size() == 0) {
points.resize(4, point);
m_clickCounter = 0;
@ -316,13 +320,31 @@ public:
else
m_clickCounter++;
}
bool releaseButton(Points& points, const Point& point)
{
bool releaseButton(Points& points, const Point& point) override {
m_clickCounter++;
return m_clickCounter < 4;
}
void movement(ToolLoop* loop, Points& points, const Point& point)
{
bool pressKey(ui::KeyScancode key) override {
return processKey(key, true);
}
bool releaseKey(ui::KeyScancode key) override {
return processKey(key, false);
}
void movement(ToolLoop* loop, Points& points, const Point& point) override {
if (m_movingOrigin) {
Point delta = (point - m_last);
for (auto& p : points)
p += delta;
m_last = point;
return;
}
m_last = point;
switch (m_clickCounter) {
case 0:
for (size_t i=1; i<points.size(); ++i)
@ -338,12 +360,12 @@ public:
break;
}
}
void getPointsToInterwine(const Points& input, Points& output)
{
void getPointsToInterwine(const Points& input, Points& output) override {
output = input;
}
void getStatusBarText(const Points& points, std::string& text)
{
void getStatusBarText(const Points& points, std::string& text) override {
ASSERT(points.size() >= 4);
if (points.size() < 4)
return;
@ -357,6 +379,20 @@ public:
text = buf;
}
private:
bool processKey(ui::KeyScancode key, bool state) {
switch (key) {
case ui::kKeySpace:
m_movingOrigin = state;
return true;
}
return false;
}
int m_clickCounter;
bool m_movingOrigin;
Point m_last;
};
} // namespace tools