diff --git a/src/apps/webpositive/autocompletion/AutoCompleter.cpp b/src/apps/webpositive/autocompletion/AutoCompleter.cpp new file mode 100644 index 0000000000..c6583398f5 --- /dev/null +++ b/src/apps/webpositive/autocompletion/AutoCompleter.cpp @@ -0,0 +1,212 @@ +/* + * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam). + * All rights reserved. Distributed under the terms of the MIT License. + * + * Authors: + * Oliver Tappe + */ + +#include "AutoCompleter.h" + +#include +#include + +#include "AutoCompleterDefaultImpl.h" + + +// #pragma mark - DefaultPatternSelector + + +class DefaultPatternSelector : public BAutoCompleter::PatternSelector { +public: + virtual void SelectPatternBounds(const BString& text, int32 caretPos, + int32* start, int32* length); +}; + + +void +DefaultPatternSelector::SelectPatternBounds(const BString& text, + int32 caretPos, int32* start, int32* length) +{ + if (!start || !length) + return; + *start = 0; + *length = text.Length(); +} + + +// #pragma mark - CompletionStyle + + +BAutoCompleter::CompletionStyle::CompletionStyle(EditView* editView, + ChoiceModel* choiceModel, ChoiceView* choiceView, + PatternSelector* patternSelector) + : + fEditView(editView), + fPatternSelector(patternSelector ? patternSelector + : new DefaultPatternSelector()), + fChoiceModel(choiceModel), + fChoiceView(choiceView) +{ +} + + +BAutoCompleter::CompletionStyle::~CompletionStyle() +{ + delete fEditView; + delete fChoiceModel; + delete fChoiceView; + delete fPatternSelector; +} + + +void +BAutoCompleter::CompletionStyle::SetEditView(EditView* view) +{ + delete fEditView; + fEditView = view; +} + + +void +BAutoCompleter::CompletionStyle::SetPatternSelector( + PatternSelector* selector) +{ + delete fPatternSelector; + fPatternSelector = selector; +} + + +void +BAutoCompleter::CompletionStyle::SetChoiceModel(ChoiceModel* model) +{ + delete fChoiceModel; + fChoiceModel = model; +} + + +void +BAutoCompleter::CompletionStyle::SetChoiceView(ChoiceView* view) +{ + delete fChoiceView; + fChoiceView = view; +} + + +// #pragma mark - BAutoCompleter + + +BAutoCompleter::BAutoCompleter(CompletionStyle* completionStyle) + : + fCompletionStyle(completionStyle) +{ +} + + +BAutoCompleter::BAutoCompleter(EditView* editView, ChoiceModel* choiceModel, + ChoiceView* choiceView, PatternSelector* patternSelector) + : + fCompletionStyle(new BDefaultCompletionStyle(editView, choiceModel, + choiceView, patternSelector)) +{ +} + + +BAutoCompleter::~BAutoCompleter() +{ + delete fCompletionStyle; +} + + +bool +BAutoCompleter::Select(int32 index) +{ + if (fCompletionStyle) + return fCompletionStyle->Select(index); + else + return false; +} + + +bool +BAutoCompleter::SelectNext(bool wrap) +{ + if (fCompletionStyle) + return fCompletionStyle->SelectNext(wrap); + else + return false; +} + + +bool +BAutoCompleter::SelectPrevious(bool wrap) +{ + if (fCompletionStyle) + return fCompletionStyle->SelectPrevious(wrap); + else + return false; +} + + +void +BAutoCompleter::ApplyChoice(bool hideChoices) +{ + if (fCompletionStyle) + fCompletionStyle->ApplyChoice(hideChoices); +} + + +void +BAutoCompleter::CancelChoice() +{ + if (fCompletionStyle) + fCompletionStyle->CancelChoice(); +} + + +void +BAutoCompleter::EditViewStateChanged() +{ + if (fCompletionStyle) + fCompletionStyle->EditViewStateChanged(); +} + + +void +BAutoCompleter::SetEditView(EditView* view) +{ + if (fCompletionStyle) + fCompletionStyle->SetEditView(view); +} + + +void +BAutoCompleter::SetPatternSelector(PatternSelector* selector) +{ + if (fCompletionStyle) + fCompletionStyle->SetPatternSelector(selector); +} + + +void +BAutoCompleter::SetChoiceModel(ChoiceModel* model) +{ + if (fCompletionStyle) + fCompletionStyle->SetChoiceModel(model); +} + + +void +BAutoCompleter::SetChoiceView(ChoiceView* view) +{ + if (fCompletionStyle) + fCompletionStyle->SetChoiceView(view); +} + + +void +BAutoCompleter::SetCompletionStyle(CompletionStyle* style) +{ + delete fCompletionStyle; + fCompletionStyle = style; +} diff --git a/src/apps/webpositive/autocompletion/AutoCompleter.h b/src/apps/webpositive/autocompletion/AutoCompleter.h new file mode 100644 index 0000000000..443981f809 --- /dev/null +++ b/src/apps/webpositive/autocompletion/AutoCompleter.h @@ -0,0 +1,154 @@ +/* + * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam). + * All rights reserved. Distributed under the terms of the MIT License. + * + * Authors: + * Oliver Tappe + */ + +#ifndef AUTO_COMPLETEER_H +#define AUTO_COMPLETEER_H + +#include + +#include +#include + +class BAutoCompleter { +public: + class Choice { + public: + Choice(const BString& choiceText, + const BString& displayText, int32 matchPos, + int32 matchLen) + : + fText(choiceText), + fDisplayText(displayText), + fMatchPos(matchPos), + fMatchLen(matchLen) + { + } + virtual ~Choice() {} + const BString& Text() const { return fText; } + const BString& DisplayText() const { return fDisplayText; } + int32 MatchPos() const { return fMatchPos; } + int32 MatchLen() const { return fMatchLen; } + + private: + BString fText; + BString fDisplayText; + int32 fMatchPos; + int32 fMatchLen; + }; + + class EditView { + public: + virtual ~EditView() {} + + virtual BRect GetAdjustmentFrame() = 0; + virtual void GetEditViewState(BString& text, + int32* caretPos) = 0; + virtual void SetEditViewState(const BString& text, + int32 caretPos, + int32 selectionLength = 0) = 0; + }; + + class PatternSelector { + public: + virtual ~PatternSelector() {} + + virtual void SelectPatternBounds(const BString& text, + int32 caretPos, int32* start, + int32* length) = 0; + }; + + class ChoiceModel { + public: + + virtual ~ChoiceModel() {} + + virtual void FetchChoicesFor(const BString& pattern) = 0; + + virtual int32 CountChoices() const = 0; + virtual const Choice* ChoiceAt(int32 index) const = 0; + }; + + class CompletionStyle; + class ChoiceView { + public: + virtual ~ChoiceView() {} + + virtual void SelectChoiceAt(int32 index) = 0; + virtual void ShowChoices( + BAutoCompleter::CompletionStyle* completer) + = 0; + virtual void HideChoices() = 0; + virtual bool ChoicesAreShown() = 0; + }; + + class CompletionStyle { + public: + CompletionStyle(EditView* editView, + ChoiceModel* choiceModel, + ChoiceView* choiceView, + PatternSelector* patternSelector); + virtual ~CompletionStyle(); + + virtual bool Select(int32 index) = 0; + virtual bool SelectNext(bool wrap = false) = 0; + virtual bool SelectPrevious(bool wrap = false) = 0; + + virtual void ApplyChoice(bool hideChoices = true) = 0; + virtual void CancelChoice() = 0; + + virtual void EditViewStateChanged() = 0; + + void SetEditView(EditView* view); + void SetPatternSelector(PatternSelector* selector); + void SetChoiceModel(ChoiceModel* model); + void SetChoiceView(ChoiceView* view); + + EditView* GetEditView() { return fEditView; } + PatternSelector* GetPatternSelector() + { return fPatternSelector; } + ChoiceModel* GetChoiceModel() { return fChoiceModel; } + ChoiceView* GetChoiceView() { return fChoiceView; } + + protected: + EditView* fEditView; + PatternSelector* fPatternSelector; + ChoiceModel* fChoiceModel; + ChoiceView* fChoiceView; + }; + +protected: + BAutoCompleter( + CompletionStyle* completionStyle = NULL); + BAutoCompleter(EditView* editView, + ChoiceModel* choiceModel, + ChoiceView* choiceView, + PatternSelector* patternSelector); + virtual ~BAutoCompleter(); + + void EditViewStateChanged(); + + bool Select(int32 index); + bool SelectNext(bool wrap = false); + bool SelectPrevious(bool wrap = false); + + void ApplyChoice(bool hideChoices = true); + void CancelChoice(); + + void SetEditView(EditView* view); + void SetPatternSelector(PatternSelector* selector); + void SetChoiceModel(ChoiceModel* model); + void SetChoiceView(ChoiceView* view); + + void SetCompletionStyle(CompletionStyle* style); + +private: + CompletionStyle* fCompletionStyle; +}; + + +#endif // AUTO_COMPLETEER_H diff --git a/src/apps/webpositive/autocompletion/AutoCompleterDefaultImpl.cpp b/src/apps/webpositive/autocompletion/AutoCompleterDefaultImpl.cpp new file mode 100644 index 0000000000..456a56f127 --- /dev/null +++ b/src/apps/webpositive/autocompletion/AutoCompleterDefaultImpl.cpp @@ -0,0 +1,377 @@ +/* + * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam). + * All rights reserved. Distributed under the terms of the MIT License. + * + * Authors: + * Oliver Tappe + */ + +#include "AutoCompleterDefaultImpl.h" + +#include +#include +#include + + +// #pragma mark - BDefaultPatternSelector + +void +BDefaultPatternSelector::SelectPatternBounds(const BString& text, + int32 caretPos, int32* start, int32* length) +{ + if (!start || !length) + return; + *start = 0; + *length = text.Length(); +} + + +// #pragma mark - BDefaultCompletionStyle + + +BDefaultCompletionStyle::BDefaultCompletionStyle( + BAutoCompleter::EditView* editView, + BAutoCompleter::ChoiceModel* choiceModel, + BAutoCompleter::ChoiceView* choiceView, + BAutoCompleter::PatternSelector* patternSelector) + : + CompletionStyle(editView, choiceModel, choiceView, patternSelector), + fSelectedIndex(-1), + fPatternStartPos(0), + fPatternLength(0) +{ +} + + +BDefaultCompletionStyle::~BDefaultCompletionStyle() +{ +} + + +bool +BDefaultCompletionStyle::Select(int32 index) +{ + if (!fChoiceView || !fChoiceModel || index == fSelectedIndex + || index < -1 || index >= fChoiceModel->CountChoices()) { + return false; + } + + fSelectedIndex = index; + fChoiceView->SelectChoiceAt(index); + return true; +} + + +bool +BDefaultCompletionStyle::SelectNext(bool wrap) +{ + if (!fChoiceModel || fChoiceModel->CountChoices() == 0) + return false; + + int32 newIndex = fSelectedIndex + 1; + if (newIndex >= fChoiceModel->CountChoices()) { + if (wrap) + newIndex = 0; + else + newIndex = fSelectedIndex; + } + return Select(newIndex); +} + + +bool +BDefaultCompletionStyle::SelectPrevious(bool wrap) +{ + if (!fChoiceModel || fChoiceModel->CountChoices() == 0) + return false; + + int32 newIndex = fSelectedIndex - 1; + if (newIndex < 0) { + if (wrap) + newIndex = fChoiceModel->CountChoices() - 1; + else + newIndex = 0; + } + return Select(newIndex); +} + + +void +BDefaultCompletionStyle::ApplyChoice(bool hideChoices) +{ + if (!fChoiceModel || !fChoiceView || !fEditView || fSelectedIndex < 0) + return; + + BString completedText(fFullEnteredText); + completedText.Remove(fPatternStartPos, fPatternLength); + const BString& choiceStr = fChoiceModel->ChoiceAt(fSelectedIndex)->Text(); + completedText.Insert(choiceStr, fPatternStartPos); + + fFullEnteredText = completedText; + fPatternLength = choiceStr.Length(); + fEditView->SetEditViewState(completedText, + fPatternStartPos+choiceStr.Length()); + + if (hideChoices) + fChoiceView->HideChoices(); +} + + +void +BDefaultCompletionStyle::CancelChoice() +{ + if (!fChoiceView || !fEditView) + return; + if (fChoiceView->ChoicesAreShown()) { + fEditView->SetEditViewState(fFullEnteredText, + fPatternStartPos+fPatternLength); + fChoiceView->HideChoices(); + Select(-1); + } +} + +void +BDefaultCompletionStyle::EditViewStateChanged() +{ + if (!fChoiceModel || !fChoiceView || !fEditView) + return; + + BString text; + int32 caretPos; + fEditView->GetEditViewState(text, &caretPos); + if (fFullEnteredText == text) + return; + fFullEnteredText = text; + fPatternSelector->SelectPatternBounds(text, caretPos, &fPatternStartPos, + &fPatternLength); + BString pattern(text.String() + fPatternStartPos, fPatternLength); + fChoiceModel->FetchChoicesFor(pattern); + + Select(-1); + // show a single choice only if it doesn't match the pattern exactly: + if (fChoiceModel->CountChoices() > 1 || (fChoiceModel->CountChoices() == 1 + && pattern.ICompare(fChoiceModel->ChoiceAt(0)->Text())) != 0) { + fChoiceView->ShowChoices(this); + fChoiceView->SelectChoiceAt(fSelectedIndex); + } else + fChoiceView->HideChoices(); +} + + +// #pragma mark - BDefaultChoiceView::ListView + + +static const int32 BM_INVOKED = 'bmin'; + + +BDefaultChoiceView::ListView::ListView( + BAutoCompleter::CompletionStyle* completer) + : + BListView(BRect(0,0,100,100), "ChoiceViewList"), + fCompleter(completer) +{ + // we need to check if user clicks outside of window-bounds: + SetEventMask(B_POINTER_EVENTS); +} + + +void +BDefaultChoiceView::ListView::AttachedToWindow() +{ + SetTarget(this); + SetInvocationMessage(new BMessage(BM_INVOKED)); + BListView::AttachedToWindow(); +} + + +void +BDefaultChoiceView::ListView::SelectionChanged() +{ + fCompleter->Select(CurrentSelection(0)); +} + + +void +BDefaultChoiceView::ListView::MessageReceived(BMessage* message) +{ + switch(message->what) { + case BM_INVOKED: + fCompleter->ApplyChoice(); + break; + default: + BListView::MessageReceived(message); + } +} + + +void +BDefaultChoiceView::ListView::MouseDown(BPoint point) +{ + if (!Window()->Frame().Contains(ConvertToScreen(point))) + // click outside of window, so we close it: + Window()->Quit(); + else + BListView::MouseDown(point); +} + + +// #pragma mark - BDefaultChoiceView::ListItem + + +BDefaultChoiceView::ListItem::ListItem(const BAutoCompleter::Choice* choice) + : + BListItem() +{ + fPreText = choice->DisplayText(); + if (choice->MatchLen() > 0) { + fPreText.MoveInto(fMatchText, choice->MatchPos(), choice->MatchLen()); + fPreText.MoveInto(fPostText, choice->MatchPos(), fPreText.Length()); + } +} + + +void +BDefaultChoiceView::ListItem::DrawItem(BView* owner, BRect frame, + bool complete) +{ + rgb_color textCol, backCol, matchCol; + if (IsSelected()) { + textCol = ui_color(B_MENU_SELECTED_ITEM_TEXT_COLOR); + backCol = ui_color(B_MENU_SELECTED_BACKGROUND_COLOR); + } else { + textCol = ui_color(B_DOCUMENT_TEXT_COLOR); + backCol = ui_color(B_DOCUMENT_BACKGROUND_COLOR); + } + matchCol = tint_color(backCol, B_LIGHTEN_2_TINT); + + BFont font; + font_height fontHeight; + owner->GetFont(&font); + font.GetHeight(&fontHeight); + float xPos = frame.left + 1; + float yPos = frame.top + fontHeight.ascent; + float w; + if (fPreText.Length()) { + w = owner->StringWidth(fPreText.String()); + owner->SetLowColor(backCol); + owner->FillRect(BRect(xPos, frame.top, xPos + w - 1, frame.bottom), + B_SOLID_LOW); + owner->SetHighColor(textCol); + owner->DrawString(fPreText.String(), BPoint(xPos, yPos)); + xPos += w; + } + if (fMatchText.Length()) { + w = owner->StringWidth(fMatchText.String()); + owner->SetLowColor(matchCol); + owner->FillRect(BRect(xPos, frame.top, xPos + w - 1, frame.bottom), + B_SOLID_LOW); + owner->DrawString(fMatchText.String(), BPoint(xPos, yPos)); + xPos += w; + } + if (fPostText.Length()) { + w = owner->StringWidth(fPostText.String()); + owner->SetLowColor(backCol); + owner->FillRect(BRect(xPos, frame.top, xPos + w - 1, frame.bottom), + B_SOLID_LOW); + owner->DrawString(fPostText.String(), BPoint(xPos, yPos)); + } +} + + +// #pragma mark - BDefaultChoiceView + + +BDefaultChoiceView::BDefaultChoiceView() + : + fWindow(NULL), + fListView(NULL) +{ + +} + + +BDefaultChoiceView::~BDefaultChoiceView() +{ + HideChoices(); +} + + +void +BDefaultChoiceView::SelectChoiceAt(int32 index) +{ + if (fListView && fListView->LockLooper()) { + if (index < 0) + fListView->DeselectAll(); + else { + fListView->Select(index); + fListView->ScrollToSelection(); + } + fListView->UnlockLooper(); + } +} + + +void +BDefaultChoiceView::ShowChoices(BAutoCompleter::CompletionStyle* completer) +{ + if (!completer) + return; + + HideChoices(); + + BAutoCompleter::ChoiceModel* choiceModel = completer->GetChoiceModel(); + BAutoCompleter::EditView* editView = completer->GetEditView(); + + if (!editView || !choiceModel || choiceModel->CountChoices() == 0) + return; + + fListView = new ListView(completer); + int32 count = choiceModel->CountChoices(); + for(int32 i=0; iAddItem( + new ListItem(choiceModel->ChoiceAt(i)) + ); + } + + fWindow = new BWindow(BRect(0, 0, 100, 100), "", B_BORDERED_WINDOW_LOOK, + B_NORMAL_WINDOW_FEEL, B_NOT_MOVABLE | B_WILL_ACCEPT_FIRST_CLICK + | B_AVOID_FOCUS | B_ASYNCHRONOUS_CONTROLS); + fWindow->AddChild(fListView); + + int32 visibleCount = min_c(count, 5); + float listHeight = fListView->ItemFrame(visibleCount - 1).bottom + 1; + + BRect pvRect = editView->GetAdjustmentFrame(); + BRect listRect = pvRect; + listRect.bottom = listRect.top + listHeight - 1; + BRect screenRect = BScreen().Frame(); + if (listRect.bottom + 1 + listHeight <= screenRect.bottom) + listRect.OffsetTo(pvRect.left, pvRect.bottom + 1); + else + listRect.OffsetTo(pvRect.left, pvRect.top - listHeight); + + fListView->MoveTo(0, 0); + fListView->ResizeTo(listRect.Width(), listRect.Height()); + fWindow->MoveTo(listRect.left, listRect.top); + fWindow->ResizeTo(listRect.Width(), listRect.Height()); + fWindow->Show(); +} + + +void +BDefaultChoiceView::HideChoices() +{ + if (fWindow && fWindow->Lock()) { + fWindow->Quit(); + fWindow = NULL; + fListView = NULL; + } +} + + +bool +BDefaultChoiceView::ChoicesAreShown() +{ + return (fWindow != NULL); +} + diff --git a/src/apps/webpositive/autocompletion/AutoCompleterDefaultImpl.h b/src/apps/webpositive/autocompletion/AutoCompleterDefaultImpl.h new file mode 100644 index 0000000000..f697330915 --- /dev/null +++ b/src/apps/webpositive/autocompletion/AutoCompleterDefaultImpl.h @@ -0,0 +1,92 @@ +/* + * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam). + * All rights reserved. Distributed under the terms of the MIT License. + * + * Authors: + * Oliver Tappe + */ + +#ifndef AUTO_COMPLETER_DEFAULT_IMPL_H +#define AUTO_COMPLETER_DEFAULT_IMPL_H + +#include +#include + +#include "AutoCompleter.h" + +class BDefaultPatternSelector : public BAutoCompleter::PatternSelector { +public: + virtual void SelectPatternBounds(const BString& text, + int32 caretPos, int32* start, + int32* length); +}; + + +class BDefaultCompletionStyle : public BAutoCompleter::CompletionStyle { +public: + BDefaultCompletionStyle( + BAutoCompleter::EditView* editView, + BAutoCompleter::ChoiceModel* choiceModel, + BAutoCompleter::ChoiceView* choiceView, + BAutoCompleter::PatternSelector* + patternSelector); + virtual ~BDefaultCompletionStyle(); + + virtual bool Select(int32 index); + virtual bool SelectNext(bool wrap = false); + virtual bool SelectPrevious(bool wrap = false); + + virtual void ApplyChoice(bool hideChoices = true); + virtual void CancelChoice(); + + virtual void EditViewStateChanged(); + +private: + BString fFullEnteredText; + int32 fSelectedIndex; + int32 fPatternStartPos; + int32 fPatternLength; +}; + + +class BDefaultChoiceView : public BAutoCompleter::ChoiceView { +protected: + class ListView : public BListView { + public: + ListView( + BAutoCompleter::CompletionStyle* completer); + virtual void SelectionChanged(); + virtual void MessageReceived(BMessage* msg); + virtual void MouseDown(BPoint point); + virtual void AttachedToWindow(); + private: + BAutoCompleter::CompletionStyle* fCompleter; + }; + + class ListItem : public BListItem { + public: + ListItem(const BAutoCompleter::Choice* choice); + virtual void DrawItem(BView* owner, BRect frame, + bool complete = false); + private: + BString fPreText; + BString fMatchText; + BString fPostText; + }; + +public: + BDefaultChoiceView(); + virtual ~BDefaultChoiceView(); + + virtual void SelectChoiceAt(int32 index); + virtual void ShowChoices( + BAutoCompleter::CompletionStyle* completer); + virtual void HideChoices(); + virtual bool ChoicesAreShown(); + +private: + BWindow* fWindow; + ListView* fListView; +}; + +#endif // AUTO_COMPLETER_DEFAULT_IMPL_H diff --git a/src/apps/webpositive/autocompletion/TextControlCompleter.cpp b/src/apps/webpositive/autocompletion/TextControlCompleter.cpp new file mode 100644 index 0000000000..e8e9cb0f52 --- /dev/null +++ b/src/apps/webpositive/autocompletion/TextControlCompleter.cpp @@ -0,0 +1,118 @@ +/* + * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam). + * All rights reserved. Distributed under the terms of the MIT License. + * + * Authors: + * Oliver Tappe + */ + +#include "TextControlCompleter.h" + +#include +#include + +#include "AutoCompleterDefaultImpl.h" + + +// #pragma mark - TextControlWrapper + + +TextControlCompleter::TextControlWrapper::TextControlWrapper( + BTextControl* textControl) + : + fTextControl(textControl) +{ +} + + +void +TextControlCompleter::TextControlWrapper::GetEditViewState(BString& text, + int32* caretPos) +{ + if (fTextControl && fTextControl->LockLooper()) { + text = fTextControl->Text(); + if (caretPos) { + int32 end; + fTextControl->TextView()->GetSelection(caretPos, &end); + } + fTextControl->UnlockLooper(); + } +} + + +void +TextControlCompleter::TextControlWrapper::SetEditViewState(const BString& text, + int32 caretPos, int32 selectionLength) +{ + if (fTextControl && fTextControl->LockLooper()) { + fTextControl->TextView()->SetText(text.String(), text.Length()); + fTextControl->TextView()->Select(caretPos, caretPos + selectionLength); + fTextControl->TextView()->ScrollToSelection(); + fTextControl->UnlockLooper(); + } +} + + +BRect +TextControlCompleter::TextControlWrapper::GetAdjustmentFrame() +{ + BRect frame = fTextControl->TextView()->Bounds(); + frame = fTextControl->TextView()->ConvertToScreen(frame); + frame.InsetBy(-1, -3); + return frame; +} + + +TextControlCompleter::TextControlCompleter(BTextControl* textControl, + ChoiceModel* model, PatternSelector* patternSelector) + : + BAutoCompleter(new TextControlWrapper(textControl), model, + new BDefaultChoiceView(), patternSelector), + BMessageFilter(B_KEY_DOWN) +{ + textControl->TextView()->AddFilter(this); +} + + +TextControlCompleter::~TextControlCompleter() +{ +} + + +filter_result +TextControlCompleter::Filter(BMessage* message, BHandler** target) +{ + int32 rawChar, modifiers; + if (!target || message->FindInt32("raw_char", &rawChar) != B_OK + || message->FindInt32("modifiers", &modifiers) != B_OK) { + return B_DISPATCH_MESSAGE; + } + + switch (rawChar) { + case B_UP_ARROW: + SelectPrevious(); + return B_SKIP_MESSAGE; + case B_DOWN_ARROW: + SelectNext(); + return B_SKIP_MESSAGE; + case B_ESCAPE: + CancelChoice(); + return B_SKIP_MESSAGE; + case B_RETURN: + ApplyChoice(); + EditViewStateChanged(); + return B_SKIP_MESSAGE; + case B_TAB: { + // make sure that the choices-view is closed when tabbing out: + CancelChoice(); + return B_DISPATCH_MESSAGE; + } + default: + // dispatch message to textview manually... + Looper()->DispatchMessage(message, *target); + // ...and propagate the new state to the auto-completer: + EditViewStateChanged(); + return B_SKIP_MESSAGE; + } + return B_DISPATCH_MESSAGE; +} diff --git a/src/apps/webpositive/autocompletion/TextControlCompleter.h b/src/apps/webpositive/autocompletion/TextControlCompleter.h new file mode 100644 index 0000000000..66ae3558c3 --- /dev/null +++ b/src/apps/webpositive/autocompletion/TextControlCompleter.h @@ -0,0 +1,41 @@ +/* + * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam). + * All rights reserved. Distributed under the terms of the MIT License. + * + * Authors: + * Oliver Tappe + */ +#ifndef TEXT_CONTROL_COMPLETER_H +#define TEXT_CONTROL_COMPLETER_H + +#include + +#include "AutoCompleter.h" + + +class BTextControl; + +class TextControlCompleter : protected BAutoCompleter, public BMessageFilter { +public: + TextControlCompleter(BTextControl* textControl, + ChoiceModel* choiceModel = NULL, + PatternSelector* patternSelector = NULL); + virtual ~TextControlCompleter(); + +private: + virtual filter_result Filter(BMessage* message, BHandler** target); + + class TextControlWrapper : public EditView { + public: + TextControlWrapper(BTextControl* textControl); + virtual BRect GetAdjustmentFrame(); + virtual void GetEditViewState(BString& text, + int32* caretPos); + virtual void SetEditViewState(const BString& text, + int32 caretPos, int32 selectionLength = 0); + private: + BTextControl* fTextControl; + }; +}; + +#endif // TEXT_CONTROL_COMPLETER_H