[haiku-commits] r36307 - haiku/trunk/src/preferences/locale
- From: pulkomandy@xxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Thu, 15 Apr 2010 19:48:31 +0200 (CEST)
Author: pulkomandy
Date: 2010-04-15 19:48:31 +0200 (Thu, 15 Apr 2010)
New Revision: 36307
Changeset: http://dev.haiku-os.org/changeset/36307/haiku
Added:
haiku/trunk/src/preferences/locale/LanguageListView.cpp
haiku/trunk/src/preferences/locale/LanguageListView.h
Modified:
haiku/trunk/src/preferences/locale/Jamfile
haiku/trunk/src/preferences/locale/LocaleWindow.cpp
Log:
Separate LanguageListView from LocaleWindow as it was occupying more than half
of the file and will grow even more soon.
No functionnal change.
Modified: haiku/trunk/src/preferences/locale/Jamfile
===================================================================
--- haiku/trunk/src/preferences/locale/Jamfile 2010-04-15 17:22:16 UTC (rev
36306)
+++ haiku/trunk/src/preferences/locale/Jamfile 2010-04-15 17:48:31 UTC (rev
36307)
@@ -5,6 +5,7 @@
UsePrivateHeaders shared ;
Preference Locale :
+ LanguageListView.cpp
Locale.cpp
LocaleWindow.cpp
TimeFormatSettingsView.cpp
Added: haiku/trunk/src/preferences/locale/LanguageListView.cpp
===================================================================
--- haiku/trunk/src/preferences/locale/LanguageListView.cpp
(rev 0)
+++ haiku/trunk/src/preferences/locale/LanguageListView.cpp 2010-04-15
17:48:31 UTC (rev 36307)
@@ -0,0 +1,323 @@
+/*
+ * Copyright 2010, Adrien Destugues, pulkomandy@xxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+*/
+
+#include "LanguageListView.h"
+#include "Locale.h"
+
+#include <Bitmap.h>
+
+
+#define MAX_DRAG_HEIGHT 200.0
+#define ALPHA 170
+#define TEXT_OFFSET 5.0
+
+
+LanguageListItem::LanguageListItem(const char* text, const char* code)
+ :
+ BStringItem(text),
+ fLanguageCode(code)
+{
+}
+
+
+
+LanguageListView::LanguageListView(const char* name, list_view_type type)
+ :
+ BOutlineListView(name, type),
+ fMsgPrefLanguagesChanged(new BMessage(kMsgPrefLanguagesChanged))
+{
+}
+
+
+void
+LanguageListView::MoveItems(BList& items, int32 index)
+{
+ // TODO : only allow moving top level item around other top level
+ // or sublevels within the same top level
+
+ DeselectAll();
+ // we remove the items while we look at them, the insertion index is
+ // decreaded when the items index is lower, so that we insert at the
right
+ // spot after removal
+ BList removedItems;
+ int32 count = items.CountItems();
+ // We loop in the reverse way so we can remove childs before their
parents
+ for (int32 i = count - 1; i >= 0; i--) {
+ BListItem* item = (BListItem*)items.ItemAt(i);
+ int32 removeIndex = IndexOf(item);
+ // TODO : remove all childs before removing the item itself, or
else
+ // they will be lost forever
+ if (RemoveItem(item) && removedItems.AddItem((void*)item, 0)) {
+ if (removeIndex < index)
+ index--;
+ }
+ // else ??? -> blow up
+ }
+ for (int32 i = 0;
+ BListItem* item = (BListItem*)removedItems.ItemAt(i); i++) {
+ if (AddItem(item, index)) {
+ // after we're done, the newly inserted items will be
selected
+ Select(index, true);
+ // next items will be inserted after this one
+ index++;
+ } else
+ delete item;
+ }
+}
+
+
+void LanguageListView::MessageReceived (BMessage* message)
+{
+ if (message->what == 'DRAG') {
+ // Someone just dropped something on us
+ LanguageListView* list = NULL;
+ if (message->FindPointer("list", (void**)&list) == B_OK) {
+ // It comes from a list
+ if (list == this) {
+ // It comes from ourselves : move the item
around in the list
+ int32 count = CountItems();
+ if (fDropIndex < 0 || fDropIndex > count)
+ fDropIndex = count;
+
+ BList items;
+ int32 index;
+ for (int32 i = 0; message->FindInt32("index",
i, &index)
+ == B_OK; i++)
+ if (BListItem* item =
FullListItemAt(index))
+ items.AddItem((void*)item);
+
+ if (items.CountItems() > 0) {
+ // There is something to move
+ LanguageListItem* parent =
+
static_cast<LanguageListItem*>(Superitem(
+
static_cast<LanguageListItem*>(
+
items.FirstItem())));
+ if (parent) {
+ // item has a parent - it
should then stay
+ // below it
+ if
(Superitem(FullListItemAt(fDropIndex - 1))
+ == parent ||
FullListItemAt(fDropIndex - 1) == parent)
+ MoveItems(items,
fDropIndex);
+ } else {
+ // item is top level and should
stay so.
+ if
(Superitem(FullListItemAt(fDropIndex - 1)) == NULL)
+ MoveItems(items,
fDropIndex);
+ else {
+ int itemCount =
CountItemsUnder(
+
FullListItemAt(fDropIndex), true);
+ MoveItems(items,
FullListIndexOf(
+
Superitem(FullListItemAt(fDropIndex - 1))+itemCount));
+ }
+ }
+ }
+ fDropIndex = -1;
+ } else {
+ // It comes from another list : move it here
+ int32 count = CountItems();
+ if (fDropIndex < 0 || fDropIndex > count)
+ fDropIndex = count;
+
+ // ensure we always drop things at top-level
and not
+ // in the middle of another outline
+ if (Superitem(FullListItemAt(fDropIndex))) {
+ // Item has a parent
+ fDropIndex =
FullListIndexOf(Superitem(FullListItemAt(fDropIndex)));
+ }
+
+ // Item is now a top level one - we must insert
just below its last child
+ fDropIndex +=
CountItemsUnder(FullListItemAt(fDropIndex),false) + 1;
+
+ int32 index;
+ for (int32 i = 0; message->FindInt32("index",
i, &index)
+ == B_OK; i++) {
+ MoveItemFrom(list,index,fDropIndex);
+ fDropIndex++;
+ }
+
+ fDropIndex = -1;
+ }
+ Invoke(fMsgPrefLanguagesChanged);
+ }
+ } else BOutlineListView::MessageReceived(message);
+}
+
+
+void
+LanguageListView::MoveItemFrom(BOutlineListView* origin, int32 index,
+ int32 dropSpot)
+{
+ // Check that the node we are going to move is a top-level one.
+ // If not, we want his parent instead
+ LanguageListItem* itemToMove = static_cast<LanguageListItem*>(
+ origin->Superitem(origin->FullListItemAt(index)));
+ if (itemToMove == NULL) {
+ itemToMove = static_cast<LanguageListItem*>(
+ origin->FullListItemAt(index));
+ } else
+ index = origin->FullListIndexOf(itemToMove);
+
+ int itemCount = origin->CountItemsUnder(itemToMove, true);
+ LanguageListItem* newItem = new LanguageListItem(*itemToMove);
+ this->AddItem(newItem, dropSpot);
+ newItem->SetExpanded(itemToMove->IsExpanded());
+
+ for (int i = 0; i < itemCount ; i++) {
+ LanguageListItem* subItem = static_cast<LanguageListItem*>(
+ origin->ItemUnderAt(itemToMove, true, i));
+ this->AddUnder(new LanguageListItem(*subItem),newItem);
+ }
+ origin->RemoveItem(index);
+ // This will also remove the children
+}
+
+
+bool
+LanguageListView::InitiateDrag(BPoint point, int32 index, bool)
+{
+ bool success = false;
+ BListItem* item = FullListItemAt(CurrentSelection(0));
+ if (!item) {
+ // workarround a timing problem
+ Select(index);
+ item = FullListItemAt(index);
+ }
+ if (item) {
+ // create drag message
+ BMessage msg('DRAG');
+ msg.AddPointer("list",(void*)(this));
+ int32 index;
+ for (int32 i = 0; (index = FullListCurrentSelection(i)) >= 0;
i++) {
+ msg.AddInt32("index", index);
+ }
+ // figure out drag rect
+ float width = Bounds().Width();
+ BRect dragRect(0.0, 0.0, width, -1.0);
+ // figure out, how many items fit into our bitmap
+ int32 numItems;
+ bool fade = false;
+ for (numItems = 0; BListItem* item =
FullListItemAt(CurrentSelection(numItems));
+ numItems++) {
+ dragRect.bottom += ceilf(item->Height()) + 1.0;
+ if (dragRect.Height() > MAX_DRAG_HEIGHT) {
+ fade = true;
+ dragRect.bottom = MAX_DRAG_HEIGHT;
+ numItems++;
+ break;
+ }
+ }
+ BBitmap* dragBitmap = new BBitmap(dragRect, B_RGB32, true);
+ if (dragBitmap && dragBitmap->IsValid()) {
+ if (BView* v = new BView(dragBitmap->Bounds(), "helper",
+
B_FOLLOW_NONE, B_WILL_DRAW)) {
+ dragBitmap->AddChild(v);
+ dragBitmap->Lock();
+ BRect itemBounds(dragRect) ;
+ itemBounds.bottom = 0.0;
+ // let all selected items, that fit into our
drag_bitmap, draw
+ for (int32 i = 0; i < numItems; i++) {
+ int32 index =
FullListCurrentSelection(i);
+ LanguageListItem* item
+ =
static_cast<LanguageListItem*>(FullListItemAt(index));
+ itemBounds.bottom = itemBounds.top +
ceilf(item->Height());
+ if (itemBounds.bottom > dragRect.bottom)
+ itemBounds.bottom =
dragRect.bottom;
+ item->DrawItem(v, itemBounds);
+ itemBounds.top = itemBounds.bottom +
1.0;
+ }
+ // make a black frame arround the edge
+ v->SetHighColor(0, 0, 0, 255);
+ v->StrokeRect(v->Bounds());
+ v->Sync();
+
+ uint8* bits = (uint8*)dragBitmap->Bits();
+ int32 height =
(int32)dragBitmap->Bounds().Height() + 1;
+ int32 width =
(int32)dragBitmap->Bounds().Width() + 1;
+ int32 bpr = dragBitmap->BytesPerRow();
+
+ if (fade) {
+ for (int32 y = 0; y < height - ALPHA /
2;
+ y++, bits += bpr) {
+ uint8* line = bits + 3;
+ for (uint8* end = line + 4 *
width; line < end;
+ line += 4)
+ *line = ALPHA;
+ }
+ for (int32 y = height - ALPHA / 2; y <
height;
+ y++, bits += bpr) {
+ uint8* line = bits + 3;
+ for (uint8* end = line + 4 *
width; line < end;
+ line += 4)
+ *line = (height - y) <<
1;
+ }
+ } else {
+ for (int32 y = 0; y < height; y++, bits
+= bpr) {
+ uint8* line = bits + 3;
+ for (uint8* end = line + 4 *
width; line < end;
+ line += 4)
+ *line = ALPHA;
+ }
+ }
+ dragBitmap->Unlock();
+ }
+ } else {
+ delete dragBitmap;
+ dragBitmap = NULL;
+ }
+ if (dragBitmap)
+ DragMessage(&msg, dragBitmap, B_OP_ALPHA, BPoint(0.0,
0.0));
+ else
+ DragMessage(&msg, dragRect.OffsetToCopy(point), this);
+
+ success = true;
+ }
+ return success;
+}
+
+
+void
+LanguageListView::MouseMoved(BPoint where, uint32 transit, const BMessage* msg)
+{
+ if (msg && (msg->what == 'DRAG')) {
+ switch (transit) {
+ case B_ENTERED_VIEW:
+ case B_INSIDE_VIEW: {
+ // set drop target through virtual function
+ // offset where by half of item height
+ BRect r = ItemFrame(0);
+ where.y += r.Height() / 2.0;
+
+ int32 index = FullListIndexOf(where);
+ if (index < 0)
+ index = FullListCountItems();
+ if (fDropIndex != index) {
+ fDropIndex = index;
+ if (fDropIndex >= 0) {
+ int32 count =
FullListCountItems();
+ if (fDropIndex == count) {
+ BRect r;
+ if
(FullListItemAt(count - 1)) {
+ r =
ItemFrame(count - 1);
+ r.top =
r.bottom;
+ r.bottom =
r.top + 1.0;
+ } else {
+ r = Bounds();
+ r.bottom--;
+ //
compensate for scrollbars moved slightly
+ // out
of window
+ }
+ } else {
+ BRect r =
ItemFrame(fDropIndex);
+ r.top--;
+ r.bottom = r.top + 1.0;
+ }
+ }
+ }
+ break;
+ }
+ }
+ } else {
+ BOutlineListView::MouseMoved(where, transit, msg);
+ }
+}
Added: haiku/trunk/src/preferences/locale/LanguageListView.h
===================================================================
--- haiku/trunk/src/preferences/locale/LanguageListView.h
(rev 0)
+++ haiku/trunk/src/preferences/locale/LanguageListView.h 2010-04-15
17:48:31 UTC (rev 36307)
@@ -0,0 +1,61 @@
+#ifndef __LANGUAGE_LIST_VIEW_H
+#define __LANGUAGE_LIST_VIEW_H
+
+
+#include <OutlineListView.h>
+#include <StringItem.h>
+#include <String.h>
+
+
+class LanguageListItem: public BStringItem
+{
+ public:
+ LanguageListItem(const char* text, const char* code);
+
+ LanguageListItem(const LanguageListItem& other)
+ :
+ BStringItem(other.Text()),
+ fLanguageCode(other.fLanguageCode)
+ {}
+
+ ~LanguageListItem() {};
+
+ const inline BString LanguageCode() { return fLanguageCode; }
+
+ private:
+ const BString fLanguageCode;
+};
+
+
+static int
+compare_list_items(const void* _a, const void* _b)
+{
+ LanguageListItem* a = *(LanguageListItem**)_a;
+ LanguageListItem* b = *(LanguageListItem**)_b;
+ return strcasecmp(a->Text(), b->Text());
+}
+
+
+class LanguageListView: public BOutlineListView
+{
+ public:
+ LanguageListView(const char* name, list_view_type type);
+
+ ~LanguageListView() { delete fMsgPrefLanguagesChanged; }
+
+ bool InitiateDrag(BPoint point, int32 index, bool wasSelected);
+ void MouseMoved(BPoint where, uint32 transit, const BMessage*
msg);
+ void MoveItems(BList& items, int32 index);
+ void MoveItemFrom(BOutlineListView* origin, int32 index, int32
dropSpot = 0);
+ void AttachedToWindow()
+ {
+ BOutlineListView::AttachedToWindow();
+ ScrollToSelection();
+ }
+ void MessageReceived (BMessage* message);
+ private:
+ int32 fDropIndex;
+ BMessage* fMsgPrefLanguagesChanged;
+};
+
+#endif
Modified: haiku/trunk/src/preferences/locale/LocaleWindow.cpp
===================================================================
--- haiku/trunk/src/preferences/locale/LocaleWindow.cpp 2010-04-15 17:22:16 UTC
(rev 36306)
+++ haiku/trunk/src/preferences/locale/LocaleWindow.cpp 2010-04-15 17:48:31 UTC
(rev 36307)
@@ -6,19 +6,18 @@
#include "Locale.h"
#include "LocaleWindow.h"
+#include "LanguageListView.h"
#include <iostream>
#include <Alert.h>
#include <Application.h>
-#include <Bitmap.h>
#include <Button.h>
#include <Catalog.h>
#include <GroupLayout.h>
#include <LayoutBuilder.h>
#include <Locale.h>
#include <LocaleRoster.h>
-#include <OutlineListView.h>
#include <Screen.h>
#include <ScrollView.h>
#include <StringView.h>
@@ -33,361 +32,8 @@
#define TR_CONTEXT "Locale Preflet Window"
-#define MAX_DRAG_HEIGHT 200.0
-#define ALPHA 170
-#define TEXT_OFFSET 5.0
-class LanguageListItem: public BStringItem
-{
- public:
- LanguageListItem(const char* text, const char* code)
- :
- BStringItem(text),
- fLanguageCode(code)
- {}
-
- LanguageListItem(const LanguageListItem& other)
- :
- BStringItem(other.Text()),
- fLanguageCode(other.fLanguageCode)
- {}
-
- ~LanguageListItem() {};
-
- const inline BString LanguageCode() { return fLanguageCode; }
-
- private:
- const BString fLanguageCode;
-};
-
-
-static int
-compare_list_items(const void* _a, const void* _b)
-{
- LanguageListItem* a = *(LanguageListItem**)_a;
- LanguageListItem* b = *(LanguageListItem**)_b;
- return strcasecmp(a->Text(), b->Text());
-}
-
-
-class LanguageListView: public BOutlineListView
-{
- public:
- LanguageListView(const char* name, list_view_type type)
- :
- BOutlineListView(name, type),
- fMsgPrefLanguagesChanged(new
BMessage(kMsgPrefLanguagesChanged))
- {}
-
- ~LanguageListView() { delete fMsgPrefLanguagesChanged; }
-
- bool InitiateDrag(BPoint point, int32 index, bool wasSelected);
- void MouseMoved(BPoint where, uint32 transit, const BMessage*
msg);
- void MoveItems(BList& items, int32 index);
- void MoveItemFrom(BOutlineListView* origin, int32 index, int32
dropSpot = 0);
- void AttachedToWindow()
- {
- BOutlineListView::AttachedToWindow();
- ScrollToSelection();
- }
-
- void MessageReceived (BMessage* message)
- {
- if (message->what == 'DRAG') {
- // Someone just dropped something on us
- LanguageListView* list = NULL;
- if (message->FindPointer("list", (void**)&list)
== B_OK) {
- // It comes from a list
- if (list == this) {
- // It comes from ourselves :
move the item around in the list
- int32 count = CountItems();
- if (fDropIndex < 0 ||
fDropIndex > count)
- fDropIndex = count;
-
- BList items;
- int32 index;
- for (int32 i = 0;
message->FindInt32("index", i, &index)
- == B_OK; i++)
- if (BListItem* item =
FullListItemAt(index))
-
items.AddItem((void*)item);
-
- if (items.CountItems() > 0) {
- // There is something
to move
- LanguageListItem*
parent =
-
static_cast<LanguageListItem*>(Superitem(
-
static_cast<LanguageListItem*>(
-
items.FirstItem())));
- if (parent) {
- // item has a
parent - it should then stay
- // below it
- if
(Superitem(FullListItemAt(fDropIndex - 1))
-
== parent || FullListItemAt(fDropIndex - 1) == parent)
-
MoveItems(items, fDropIndex);
- } else {
- // item is top
level and should stay so.
- if
(Superitem(FullListItemAt(fDropIndex - 1)) == NULL)
-
MoveItems(items, fDropIndex);
- else {
- int
itemCount = CountItemsUnder(
-
FullListItemAt(fDropIndex), true);
-
MoveItems(items, FullListIndexOf(
-
Superitem(FullListItemAt(fDropIndex - 1))+itemCount));
- }
- }
- }
- fDropIndex = -1;
- } else {
- // It comes from another list :
move it here
- int32 count = CountItems();
- if (fDropIndex < 0 ||
fDropIndex > count)
- fDropIndex = count;
-
- // ensure we always drop things
at top-level and not
- // in the middle of another
outline
- if
(Superitem(FullListItemAt(fDropIndex))) {
- // Item has a parent
- fDropIndex =
FullListIndexOf(Superitem(FullListItemAt(fDropIndex)));
- }
-
- // Item is now a top level one
- we must insert just below its last child
- fDropIndex +=
CountItemsUnder(FullListItemAt(fDropIndex),false) + 1;
-
- int32 index;
- for (int32 i = 0;
message->FindInt32("index", i, &index)
- == B_OK; i++) {
-
MoveItemFrom(list,index,fDropIndex);
- fDropIndex++;
- }
-
- fDropIndex = -1;
- }
- Invoke(fMsgPrefLanguagesChanged);
- }
- } else BOutlineListView::MessageReceived(message);
- }
- private:
- int32 fDropIndex;
- BMessage* fMsgPrefLanguagesChanged;
-};
-
-
-void
-LanguageListView::MoveItems(BList& items, int32 index)
-{
- // TODO : only allow moving top level item around other top level
- // or sublevels within the same top level
-
- DeselectAll();
- // we remove the items while we look at them, the insertion index is
- // decreaded when the items index is lower, so that we insert at the
right
- // spot after removal
- BList removedItems;
- int32 count = items.CountItems();
- // We loop in the reverse way so we can remove childs before their
parents
- for (int32 i = count - 1; i >= 0; i--) {
- BListItem* item = (BListItem*)items.ItemAt(i);
- int32 removeIndex = IndexOf(item);
- // TODO : remove all childs before removing the item itself, or
else
- // they will be lost forever
- if (RemoveItem(item) && removedItems.AddItem((void*)item, 0)) {
- if (removeIndex < index)
- index--;
- }
- // else ??? -> blow up
- }
- for (int32 i = 0;
- BListItem* item = (BListItem*)removedItems.ItemAt(i); i++) {
- if (AddItem(item, index)) {
- // after we're done, the newly inserted items will be
selected
- Select(index, true);
- // next items will be inserted after this one
- index++;
- } else
- delete item;
- }
-}
-
-
-void
-LanguageListView::MoveItemFrom(BOutlineListView* origin, int32 index,
- int32 dropSpot)
-{
- // Check that the node we are going to move is a top-level one.
- // If not, we want his parent instead
- LanguageListItem* itemToMove = static_cast<LanguageListItem*>(
- origin->Superitem(origin->FullListItemAt(index)));
- if (itemToMove == NULL) {
- itemToMove = static_cast<LanguageListItem*>(
- origin->FullListItemAt(index));
- } else
- index = origin->FullListIndexOf(itemToMove);
-
- int itemCount = origin->CountItemsUnder(itemToMove, true);
- LanguageListItem* newItem = new LanguageListItem(*itemToMove);
- this->AddItem(newItem, dropSpot);
- newItem->SetExpanded(itemToMove->IsExpanded());
-
- for (int i = 0; i < itemCount ; i++) {
- LanguageListItem* subItem = static_cast<LanguageListItem*>(
- origin->ItemUnderAt(itemToMove, true, i));
- this->AddUnder(new LanguageListItem(*subItem),newItem);
- }
- origin->RemoveItem(index);
- // This will also remove the children
-}
-
-
-bool
-LanguageListView::InitiateDrag(BPoint point, int32 index, bool)
-{
- bool success = false;
- BListItem* item = FullListItemAt(CurrentSelection(0));
- if (!item) {
- // workarround a timing problem
- Select(index);
- item = FullListItemAt(index);
- }
- if (item) {
- // create drag message
- BMessage msg('DRAG');
- msg.AddPointer("list",(void*)(this));
- int32 index;
- for (int32 i = 0; (index = FullListCurrentSelection(i)) >= 0;
i++) {
- msg.AddInt32("index", index);
- }
- // figure out drag rect
- float width = Bounds().Width();
- BRect dragRect(0.0, 0.0, width, -1.0);
- // figure out, how many items fit into our bitmap
- int32 numItems;
- bool fade = false;
- for (numItems = 0; BListItem* item =
FullListItemAt(CurrentSelection(numItems));
- numItems++) {
- dragRect.bottom += ceilf(item->Height()) + 1.0;
- if (dragRect.Height() > MAX_DRAG_HEIGHT) {
- fade = true;
- dragRect.bottom = MAX_DRAG_HEIGHT;
- numItems++;
- break;
- }
- }
- BBitmap* dragBitmap = new BBitmap(dragRect, B_RGB32, true);
- if (dragBitmap && dragBitmap->IsValid()) {
- if (BView* v = new BView(dragBitmap->Bounds(), "helper",
-
B_FOLLOW_NONE, B_WILL_DRAW)) {
- dragBitmap->AddChild(v);
- dragBitmap->Lock();
- BRect itemBounds(dragRect) ;
- itemBounds.bottom = 0.0;
- // let all selected items, that fit into our
drag_bitmap, draw
- for (int32 i = 0; i < numItems; i++) {
- int32 index =
FullListCurrentSelection(i);
- LanguageListItem* item
- =
static_cast<LanguageListItem*>(FullListItemAt(index));
- itemBounds.bottom = itemBounds.top +
ceilf(item->Height());
- if (itemBounds.bottom > dragRect.bottom)
- itemBounds.bottom =
dragRect.bottom;
- item->DrawItem(v, itemBounds);
- itemBounds.top = itemBounds.bottom +
1.0;
- }
- // make a black frame arround the edge
- v->SetHighColor(0, 0, 0, 255);
- v->StrokeRect(v->Bounds());
- v->Sync();
-
- uint8* bits = (uint8*)dragBitmap->Bits();
- int32 height =
(int32)dragBitmap->Bounds().Height() + 1;
- int32 width =
(int32)dragBitmap->Bounds().Width() + 1;
- int32 bpr = dragBitmap->BytesPerRow();
-
- if (fade) {
- for (int32 y = 0; y < height - ALPHA /
2;
- y++, bits += bpr) {
- uint8* line = bits + 3;
- for (uint8* end = line + 4 *
width; line < end;
- line += 4)
- *line = ALPHA;
- }
- for (int32 y = height - ALPHA / 2; y <
height;
- y++, bits += bpr) {
- uint8* line = bits + 3;
- for (uint8* end = line + 4 *
width; line < end;
- line += 4)
- *line = (height - y) <<
1;
- }
- } else {
- for (int32 y = 0; y < height; y++, bits
+= bpr) {
- uint8* line = bits + 3;
- for (uint8* end = line + 4 *
width; line < end;
- line += 4)
- *line = ALPHA;
- }
- }
- dragBitmap->Unlock();
- }
- } else {
- delete dragBitmap;
- dragBitmap = NULL;
- }
- if (dragBitmap)
- DragMessage(&msg, dragBitmap, B_OP_ALPHA, BPoint(0.0,
0.0));
- else
- DragMessage(&msg, dragRect.OffsetToCopy(point), this);
-
- success = true;
- }
- return success;
-}
-
-
-void
-LanguageListView::MouseMoved(BPoint where, uint32 transit, const BMessage* msg)
-{
- if (msg && (msg->what == 'DRAG')) {
- switch (transit) {
- case B_ENTERED_VIEW:
- case B_INSIDE_VIEW: {
- // set drop target through virtual function
- // offset where by half of item height
- BRect r = ItemFrame(0);
- where.y += r.Height() / 2.0;
-
- int32 index = FullListIndexOf(where);
- if (index < 0)
- index = FullListCountItems();
- if (fDropIndex != index) {
- fDropIndex = index;
- if (fDropIndex >= 0) {
- int32 count =
FullListCountItems();
- if (fDropIndex == count) {
- BRect r;
- if
(FullListItemAt(count - 1)) {
- r =
ItemFrame(count - 1);
- r.top =
r.bottom;
- r.bottom =
r.top + 1.0;
- } else {
- r = Bounds();
- r.bottom--;
- //
compensate for scrollbars moved slightly
- // out
of window
- }
- } else {
- BRect r =
ItemFrame(fDropIndex);
- r.top--;
- r.bottom = r.top + 1.0;
- }
- }
- }
- break;
- }
- }
- } else {
- BOutlineListView::MouseMoved(where, transit, msg);
- }
-}
-
-
LocaleWindow::LocaleWindow()
:
BWindow(BRect(0, 0, 0, 0), "Locale", B_TITLED_WINDOW, B_NOT_RESIZABLE
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