HaikuDepot: PackagesListView
BColumnListView derived class with code-duplication from DriveSetup that should be refactored eventually (BIconStringColumn and BColumn implementation to show it). Does nothing except create some columns.
This commit is contained in:
Stephan Aßmus
@@ -0,0 +1,223 @@
|
||||
/*
|
||||
* Copyright 2013, Stephan Aßmus <[email protected]>.
|
||||
* All rights reserved. Distributed under the terms of the MIT License.
|
||||
*/
|
||||
|
||||
#include "PackageListView.h"
|
||||
|
||||
#include <algorithm>
|
||||
#include <stdio.h>
|
||||
|
||||
#include <Catalog.h>
|
||||
|
||||
|
||||
#undef B_TRANSLATION_CONTEXT
|
||||
#define B_TRANSLATION_CONTEXT "PackageListView"
|
||||
|
||||
|
||||
// #pragma mark - BBitmapStringField
|
||||
|
||||
|
||||
// TODO: Code-duplication with DriveSetup PartitionList.cpp
|
||||
BBitmapStringField::BBitmapStringField(BBitmap* bitmap, const char* string)
|
||||
:
|
||||
Inherited(string),
|
||||
fBitmap(bitmap)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
BBitmapStringField::~BBitmapStringField()
|
||||
{
|
||||
delete fBitmap;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
BBitmapStringField::SetBitmap(BBitmap* bitmap)
|
||||
{
|
||||
delete fBitmap;
|
||||
fBitmap = bitmap;
|
||||
// TODO: cause a redraw?
|
||||
}
|
||||
|
||||
|
||||
// #pragma mark - PackageColumn
|
||||
|
||||
|
||||
// TODO: Code-duplication with DriveSetup PartitionList.cpp
|
||||
|
||||
|
||||
float PackageColumn::sTextMargin = 0.0;
|
||||
|
||||
|
||||
PackageColumn::PackageColumn(const char* title, float width, float minWidth,
|
||||
float maxWidth, uint32 truncateMode, alignment align)
|
||||
:
|
||||
Inherited(title, width, minWidth, maxWidth, align),
|
||||
fTruncateMode(truncateMode)
|
||||
{
|
||||
SetWantsEvents(true);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
PackageColumn::DrawField(BField* field, BRect rect, BView* parent)
|
||||
{
|
||||
BBitmapStringField* bitmapField
|
||||
= dynamic_cast<BBitmapStringField*>(field);
|
||||
BStringField* stringField = dynamic_cast<BStringField*>(field);
|
||||
|
||||
if (bitmapField) {
|
||||
const BBitmap* bitmap = bitmapField->Bitmap();
|
||||
|
||||
// figure out the placement
|
||||
float x = 0.0;
|
||||
BRect r = bitmap ? bitmap->Bounds() : BRect(0, 0, 15, 15);
|
||||
float y = rect.top + ((rect.Height() - r.Height()) / 2);
|
||||
float width = 0.0;
|
||||
|
||||
switch (Alignment()) {
|
||||
default:
|
||||
case B_ALIGN_LEFT:
|
||||
case B_ALIGN_CENTER:
|
||||
x = rect.left + sTextMargin;
|
||||
width = rect.right - (x + r.Width()) - (2 * sTextMargin);
|
||||
r.Set(x + r.Width(), rect.top, rect.right - width, rect.bottom);
|
||||
break;
|
||||
|
||||
case B_ALIGN_RIGHT:
|
||||
x = rect.right - sTextMargin - r.Width();
|
||||
width = (x - rect.left - (2 * sTextMargin));
|
||||
r.Set(rect.left, rect.top, rect.left + width, rect.bottom);
|
||||
break;
|
||||
}
|
||||
|
||||
if (width != bitmapField->Width()) {
|
||||
BString truncatedString(bitmapField->String());
|
||||
parent->TruncateString(&truncatedString, fTruncateMode, width + 2);
|
||||
bitmapField->SetClippedString(truncatedString.String());
|
||||
bitmapField->SetWidth(width);
|
||||
}
|
||||
|
||||
// draw the bitmap
|
||||
if (bitmap) {
|
||||
parent->SetDrawingMode(B_OP_ALPHA);
|
||||
parent->DrawBitmap(bitmap, BPoint(x, y));
|
||||
parent->SetDrawingMode(B_OP_OVER);
|
||||
}
|
||||
|
||||
// draw the string
|
||||
DrawString(bitmapField->ClippedString(), parent, r);
|
||||
|
||||
} else if (stringField) {
|
||||
|
||||
float width = rect.Width() - (2 * sTextMargin);
|
||||
|
||||
if (width != stringField->Width()) {
|
||||
BString truncatedString(stringField->String());
|
||||
|
||||
parent->TruncateString(&truncatedString, fTruncateMode, width + 2);
|
||||
stringField->SetClippedString(truncatedString.String());
|
||||
stringField->SetWidth(width);
|
||||
}
|
||||
|
||||
DrawString(stringField->ClippedString(), parent, rect);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
float
|
||||
PackageColumn::GetPreferredWidth(BField *_field, BView* parent) const
|
||||
{
|
||||
BBitmapStringField* bitmapField
|
||||
= dynamic_cast<BBitmapStringField*>(_field);
|
||||
BStringField* stringField = dynamic_cast<BStringField*>(_field);
|
||||
|
||||
float parentWidth = Inherited::GetPreferredWidth(_field, parent);
|
||||
float width = 0.0;
|
||||
|
||||
if (bitmapField) {
|
||||
const BBitmap* bitmap = bitmapField->Bitmap();
|
||||
BFont font;
|
||||
parent->GetFont(&font);
|
||||
width = font.StringWidth(bitmapField->String()) + 3 * sTextMargin;
|
||||
if (bitmap)
|
||||
width += bitmap->Bounds().Width();
|
||||
else
|
||||
width += 16;
|
||||
} else if (stringField) {
|
||||
BFont font;
|
||||
parent->GetFont(&font);
|
||||
width = font.StringWidth(stringField->String()) + 2 * sTextMargin;
|
||||
}
|
||||
return max_c(width, parentWidth);
|
||||
}
|
||||
|
||||
|
||||
bool
|
||||
PackageColumn::AcceptsField(const BField* field) const
|
||||
{
|
||||
return dynamic_cast<const BStringField*>(field) != NULL;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
PackageColumn::InitTextMargin(BView* parent)
|
||||
{
|
||||
BFont font;
|
||||
parent->GetFont(&font);
|
||||
sTextMargin = ceilf(font.Size() * 0.8);
|
||||
}
|
||||
|
||||
|
||||
// #pragma mark - PackageListView
|
||||
|
||||
|
||||
enum {
|
||||
kNameColumn,
|
||||
kRatingColumn,
|
||||
kDescriptionColumn,
|
||||
kSizeColumn,
|
||||
kStatusColumn,
|
||||
};
|
||||
|
||||
|
||||
PackageListView::PackageListView()
|
||||
:
|
||||
BColumnListView("package list view", 0, B_FANCY_BORDER, true)
|
||||
{
|
||||
AddColumn(new PackageColumn(B_TRANSLATE("Name"), 150, 50, 500,
|
||||
B_TRUNCATE_MIDDLE), kNameColumn);
|
||||
AddColumn(new PackageColumn(B_TRANSLATE("Rating"), 100, 50, 500,
|
||||
B_TRUNCATE_MIDDLE), kRatingColumn);
|
||||
AddColumn(new PackageColumn(B_TRANSLATE("Description"), 130, 50, 500,
|
||||
B_TRUNCATE_MIDDLE), kDescriptionColumn);
|
||||
AddColumn(new PackageColumn(B_TRANSLATE("Size"), 100, 50, 500,
|
||||
B_TRUNCATE_END), kSizeColumn);
|
||||
AddColumn(new PackageColumn(B_TRANSLATE("Status"), 100, 50, 500,
|
||||
B_TRUNCATE_END), kStatusColumn);
|
||||
}
|
||||
|
||||
|
||||
PackageListView::~PackageListView()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
PackageListView::AttachedToWindow()
|
||||
{
|
||||
PackageColumn::InitTextMargin(ScrollView());
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
PackageListView::MessageReceived(BMessage* message)
|
||||
{
|
||||
switch (message->what) {
|
||||
default:
|
||||
BColumnListView::MessageReceived(message);
|
||||
break;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,67 @@
|
||||
/*
|
||||
* Copyright 2013, Stephan Aßmus <[email protected]>.
|
||||
* All rights reserved. Distributed under the terms of the MIT License.
|
||||
*/
|
||||
#ifndef PACKAGE_LIST_VIEW_H
|
||||
#define PACKAGE_LIST_VIEW_H
|
||||
|
||||
|
||||
#include <ColumnListView.h>
|
||||
#include <ColumnTypes.h>
|
||||
|
||||
|
||||
// A field type displaying both a bitmap and a string so that the
|
||||
// tree display looks nicer (both text and bitmap are indented)
|
||||
// TODO: Code-duplication with DriveSetup PartitionList.h
|
||||
class BBitmapStringField : public BStringField {
|
||||
typedef BStringField Inherited;
|
||||
public:
|
||||
BBitmapStringField(BBitmap* bitmap,
|
||||
const char* string);
|
||||
virtual ~BBitmapStringField();
|
||||
|
||||
void SetBitmap(BBitmap* bitmap);
|
||||
const BBitmap* Bitmap() const
|
||||
{ return fBitmap; }
|
||||
|
||||
private:
|
||||
BBitmap* fBitmap;
|
||||
};
|
||||
|
||||
|
||||
// BColumn for PackageListView which knows how to render
|
||||
// a BBitmapStringField
|
||||
// TODO: Code-duplication with DriveSetup PartitionList.h
|
||||
class PackageColumn : public BTitledColumn {
|
||||
typedef BTitledColumn Inherited;
|
||||
public:
|
||||
PackageColumn(const char* title,
|
||||
float width, float minWidth,
|
||||
float maxWidth, uint32 truncateMode,
|
||||
alignment align = B_ALIGN_LEFT);
|
||||
|
||||
virtual void DrawField(BField* field, BRect rect,
|
||||
BView* parent);
|
||||
virtual float GetPreferredWidth(BField* field,
|
||||
BView* parent) const;
|
||||
|
||||
virtual bool AcceptsField(const BField* field) const;
|
||||
|
||||
static void InitTextMargin(BView* parent);
|
||||
|
||||
private:
|
||||
uint32 fTruncateMode;
|
||||
static float sTextMargin;
|
||||
};
|
||||
|
||||
|
||||
class PackageListView : public BColumnListView {
|
||||
public:
|
||||
PackageListView();
|
||||
virtual ~PackageListView();
|
||||
|
||||
virtual void AttachedToWindow();
|
||||
virtual void MessageReceived(BMessage* message);
|
||||
};
|
||||
|
||||
#endif // PACKAGE_LIST_VIEW_H
|
||||
Reference in New Issue
Block a user