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Add text length limit on TextBox control #51

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merged 3 commits into from
Jun 3, 2017
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Merged

Add text length limit on TextBox control #51

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425ff12
Add a length limit to textboxes. Also basic testing controls.
okonk Jun 1, 2017
2bfa998
Suggested changes:
okonk Jun 2, 2017
ae128c1
Remove extra TextBoxMultiline test, add SetText past length limit to …
okonk Jun 2, 2017
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4 changes: 3 additions & 1 deletion source/gwork/include/Gwork/Controls/TextBox.h
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ namespace Gwk
virtual void SetCursorEnd(int i);

void SetMaxTextLength(int maxLength) { m_maxTextLength = maxLength; }
const int& GetMaxTextLength() const { return m_maxTextLength; }
int GetMaxTextLength() const { return m_maxTextLength; }

void OnMouseClickLeft(int x, int y, bool bDown) override;
void OnMouseMoved(int x, int y, int deltaX, int deltaY) override;
Expand All @@ -90,6 +90,8 @@ namespace Gwk
Event::Caller onTextChanged;
Event::Caller onReturnPressed;

static constexpr int NO_MAX_LENGTH = -1;
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This could just be static const int NO_MAX_LENGTH = -1;

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This project is C++11 so there is no reason not to use constexpr.


protected:

void OnTextChanged() override;
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4 changes: 2 additions & 2 deletions source/gwork/source/Controls/TextBox.cpp
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Expand Up @@ -46,7 +46,7 @@ GWK_CONTROL_CONSTRUCTOR(TextBox)
m_cursorLine = 0;
m_bEditable = true;
m_bSelectAll = false;
m_maxTextLength = -1;
m_maxTextLength = NO_MAX_LENGTH;
SetTextColor(Gwk::Color(50, 50, 50, 255)); // TODO: From Skin
SetTabable(true);
AddAccelerator("Ctrl + C", &TextBox::OnCopy);
Expand Down Expand Up @@ -80,7 +80,7 @@ void TextBox::InsertText(const Gwk::String& strInsert)
return;

int insertSize = static_cast<int>(strInsert.size());
if (m_maxTextLength > -1 && TextLength() + insertSize > m_maxTextLength)
if (m_maxTextLength > NO_MAX_LENGTH && TextLength() + insertSize > m_maxTextLength)
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This should be != NO_MAX_LENGTH as it is a magic number out of the usual range.

{
insertSize = m_maxTextLength - TextLength();

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7 changes: 7 additions & 0 deletions source/test/source/api/TextBox.cpp
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Expand Up @@ -88,6 +88,13 @@ class TextBox : public TestUnit
label->SetPos(220, 195);
label->SetSize(200, 45);
}
{
Gwk::Controls::TextBoxMultiline* label = new Gwk::Controls::TextBoxMultiline(this);
label->SetMaxTextLength(20);
label->SetText("Max Length 20 -- Set text longer than max length");
label->SetPos(220, 245);
label->SetSize(200, 45);
}
}

void OnEdit(Gwk::Controls::Base* control)
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