Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stunning improvements to drawing, completely removed flickering, only minor visual problems remain, maybe needs testing with regard to targeted views being removed or the scrollbar being removed etc

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14736 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2005-11-07 01:26:13 +00:00
parent 0118ad76e1
commit 5083a8d56d
2 changed files with 220 additions and 193 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
headers/os/interface/ScrollBar.h
View File

@ -1,30 +1,13 @@
//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: ScrollBar.h
// Author: Marc Flerackers (mflerackers@androme.be)
// DarkWyrm (bpmagic@columbus.rr.com)
// Description: Client-side class for scrolling
//
//------------------------------------------------------------------------------
/*
* Copyright (c) 2001-2005, Haiku, Inc.
* Distributed under the terms of the MIT license.
*
* Authors:
* Marc Flerackers (mflerackers@androme.be)
* DarkWyrm (bpmagic@columbus.rr.com)
* Stephan Aßmus <superstippi@gmx.de>
*/
#ifndef _SCROLL_BAR_H
#define _SCROLL_BAR_H
@ -120,17 +103,9 @@ virtual void _ReservedScrollBar4();
void _UpdateTargetValue(BPoint where);
void _UpdateArrowButtons();
void _DrawArrowButton(int32 direction,
BRect frame, bool down);
/* void DrawButtons(BRect updateRect);
void DrawArrow(BPoint pos, int32 which, bool pressed = false);
void DrawButton(BRect frame, int32 arrowType, bool pressed = false);
BRect BarFrame() const;
BRect KnobFrame() const;
float ValueToPosition(float val) const;
float PositionToValue(float pos) const;*/
BRect frame,
const BRect& updateRect,
bool down);
float fMin;
float fMax;

362
src/kits/interface/ScrollBar.cpp
View File

@ -1,30 +1,12 @@
//------------------------------------------------------------------------------
// Copyright (c) 2001-2005 Haiku
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: ScrollBar.cpp
// Author: Marc Flerackers (mflerackers@androme.be)
// DarkWyrm (bpmagic@columbus.rr.com)
// Description: Client-side class for scrolling
//
//------------------------------------------------------------------------------
/*
* Copyright (c) 2001-2005, Haiku, Inc.
* Distributed under the terms of the MIT license.
*
* Authors:
* Marc Flerackers (mflerackers@androme.be)
* DarkWyrm (bpmagic@columbus.rr.com)
* Stephan Aßmus <superstippi@gmx.de>
*/
#include <stdio.h>
#include <stdlib.h>
@ -32,6 +14,7 @@
#include <Message.h>
#include <OS.h>
#include <Shape.h>
#include <Window.h>
#include <ScrollBar.h>
@ -181,7 +164,7 @@ BScrollBar::Private::ButtonRepeaterThread()
BScrollBar::BScrollBar(BRect frame, const char* name, BView *target,
float min, float max, orientation direction)
: BView(frame, name, B_FOLLOW_NONE, B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE),
: BView(frame, name, B_FOLLOW_NONE, B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE | B_FRAME_EVENTS),
fMin(min),
fMax(max),
fSmallStep(1),
@ -192,7 +175,7 @@ BScrollBar::BScrollBar(BRect frame, const char* name, BView *target,
fOrientation(direction),
fTargetName(NULL)
{
SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
SetViewColor(B_TRANSPARENT_COLOR);
fPrivateData = new BScrollBar::Private(this);
@ -218,19 +201,19 @@ BScrollBar::~BScrollBar()
{
delete fPrivateData;
free(fTargetName);
// TODO: Disconnect from target
// TODO: detaching from target is currently done in DetachedFromWindow(),
// maybe it should be done here instead?
}
BArchivable *
// Instantiate
BArchivable*
BScrollBar::Instantiate(BMessage *data)
{
// TODO: Implement
return NULL;
}
// Archive
status_t
BScrollBar::Archive(BMessage *data, bool deep) const
{
@ -246,14 +229,14 @@ BScrollBar::Archive(BMessage *data, bool deep) const
return B_OK;
}
// AttachedToWindow
void
BScrollBar::AttachedToWindow()
{
// R5's SB contacts the server if fValue!=0. I *think* we don't need to do anything here...
}
// SetValue
void
BScrollBar::SetValue(float value)
{
@ -291,14 +274,14 @@ BScrollBar::SetProportion(float value)
}
}
// Proportion
float
BScrollBar::Proportion() const
{
return fProportion;
}
// ValueChanged
void
BScrollBar::ValueChanged(float newValue)
{
@ -348,7 +331,7 @@ an actual BView within the scroll bar's window.
_UpdateArrowButtons();
}
// SetRange
void
BScrollBar::SetRange(float min, float max)
{
@ -367,7 +350,7 @@ BScrollBar::SetRange(float min, float max)
ValueChanged(fValue);
}
// GetRange
void
BScrollBar::GetRange(float *min, float *max) const
{
@ -377,7 +360,7 @@ BScrollBar::GetRange(float *min, float *max) const
*max = fMax;
}
// SetSteps
void
BScrollBar::SetSteps(float smallStep, float largeStep)
{
@ -392,17 +375,17 @@ BScrollBar::SetSteps(float smallStep, float largeStep)
// TODO: test use of fractional values and make them work properly if they don't
}
// GetSteps
void
BScrollBar::GetSteps(float *smallStep, float *largeStep) const
{
if (smallStep != NULL)
if (smallStep)
*smallStep = fSmallStep;
if (largeStep)
*largeStep = fLargeStep;
}
// SetTarget
void
BScrollBar::SetTarget(BView *target)
{
@ -420,7 +403,7 @@ BScrollBar::SetTarget(BView *target)
fTargetName = NULL;
}
// SetTarget
void
BScrollBar::SetTarget(const char *targetName)
{
@ -435,21 +418,21 @@ BScrollBar::SetTarget(const char *targetName)
SetTarget(target);
}
// Target
BView *
BScrollBar::Target() const
{
return fTarget;
}
// Orientation
orientation
BScrollBar::Orientation() const
{
return fOrientation;
}
// MessageReceived
void
BScrollBar::MessageReceived(BMessage *msg)
{
@ -467,7 +450,7 @@ BScrollBar::MessageReceived(BMessage *msg)
}
}
// MouseDown
void
BScrollBar::MouseDown(BPoint where)
{
@ -480,7 +463,7 @@ BScrollBar::MouseDown(BPoint where)
if (fPrivateData->fThumbFrame.Contains(where)) {
fPrivateData->fButtonDown = THUMB;
fPrivateData->fClickOffset = fPrivateData->fThumbFrame.LeftTop() - where;
// Invalidate(fPrivateData->fThumbFrame);
Invalidate(fPrivateData->fThumbFrame);
return;
}
@ -536,11 +519,14 @@ BScrollBar::MouseDown(BPoint where)
void
BScrollBar::MouseUp(BPoint pt)
{
if (fPrivateData->fButtonDown == THUMB)
Invalidate(fPrivateData->fThumbFrame);
else
Invalidate(_ButtonRectFor(fPrivateData->fButtonDown));
fPrivateData->fButtonDown = NOARROW;
fPrivateData->fExitRepeater = true;
fPrivateData->fDoRepeat = false;
Invalidate();
}
// MouseMoved
@ -577,6 +563,13 @@ BScrollBar::MouseMoved(BPoint where, uint32 transit, const BMessage* message)
void
BScrollBar::DetachedFromWindow()
{
if (fTarget) {
if (fOrientation == B_VERTICAL)
fTarget->fVerScroller = NULL;
else
fTarget->fHorScroller = NULL;
}
fTarget = NULL;
free(fTargetName);
fTargetName = NULL;
@ -595,19 +588,21 @@ BScrollBar::Draw(BRect updateRect)
StrokeRect(bounds);
bounds.InsetBy(1.0, 1.0);
rgb_color light, light1, dark, dark1, dark2;
rgb_color light, light1, dark, dark1, dark2, dark4;
if (fPrivateData->fEnabled) {
light = tint_color(normal, B_LIGHTEN_MAX_TINT);
light1 = tint_color(normal, B_LIGHTEN_1_TINT);
dark = tint_color(normal, B_DARKEN_3_TINT);
dark1 = tint_color(normal, B_DARKEN_1_TINT);
dark2 = tint_color(normal, B_DARKEN_2_TINT);
dark4 = tint_color(normal, B_DARKEN_4_TINT);
} else {
light = tint_color(normal, B_LIGHTEN_1_TINT);
light1 = normal;
dark = tint_color(normal, B_DARKEN_2_TINT);
dark1 = normal;
dark2 = tint_color(normal, B_DARKEN_1_TINT);
dark4 = tint_color(normal, B_DARKEN_3_TINT);
}
SetDrawingMode(B_OP_OVER);
@ -618,16 +613,16 @@ BScrollBar::Draw(BRect updateRect)
if (fOrientation == B_HORIZONTAL) {
BRect buttonFrame(bounds.left, bounds.top, bounds.left + bounds.Height(), bounds.bottom);
_DrawArrowButton(ARROW_LEFT, buttonFrame,
_DrawArrowButton(ARROW_LEFT, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW1);
if (_DoubleArrows()) {
buttonFrame.OffsetBy(bounds.Height() + 1, 0.0);
_DrawArrowButton(ARROW_RIGHT, buttonFrame,
_DrawArrowButton(ARROW_RIGHT, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW2);
buttonFrame.OffsetTo(bounds.right - ((bounds.Height() * 2) + 1), bounds.top);
_DrawArrowButton(ARROW_LEFT, buttonFrame,
_DrawArrowButton(ARROW_LEFT, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW3);
thumbBG.left += bounds.Height() * 2 + 2;
@ -638,21 +633,21 @@ BScrollBar::Draw(BRect updateRect)
}
buttonFrame.OffsetTo(bounds.right - bounds.Height(), bounds.top);
_DrawArrowButton(ARROW_RIGHT, buttonFrame,
_DrawArrowButton(ARROW_RIGHT, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW4);
} else {
BRect buttonFrame(bounds.left, bounds.top, bounds.right, bounds.top + bounds.Width());
_DrawArrowButton(ARROW_UP, buttonFrame,
_DrawArrowButton(ARROW_UP, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW1);
if (_DoubleArrows()) {
buttonFrame.OffsetBy(0.0, bounds.Width() + 1);
_DrawArrowButton(ARROW_DOWN, buttonFrame,
_DrawArrowButton(ARROW_DOWN, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW2);
buttonFrame.OffsetTo(bounds.left, bounds.bottom - ((bounds.Width() * 2) + 1));
_DrawArrowButton(ARROW_UP, buttonFrame,
_DrawArrowButton(ARROW_UP, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW3);
thumbBG.top += bounds.Width() * 2 + 2;
@ -663,91 +658,142 @@ BScrollBar::Draw(BRect updateRect)
}
buttonFrame.OffsetTo(bounds.left, bounds.bottom - bounds.Width());
_DrawArrowButton(ARROW_DOWN, buttonFrame,
_DrawArrowButton(ARROW_DOWN, buttonFrame, updateRect,
fPrivateData->fButtonDown == ARROW4);
}
SetDrawingMode(B_OP_COPY);
// background for thumb area
BRect rect(fPrivateData->fThumbFrame);
// frame
BeginLineArray(4);
if (fOrientation == B_HORIZONTAL) {
AddLine(BPoint(thumbBG.left, thumbBG.bottom),
BPoint(thumbBG.left, thumbBG.top), dark);
AddLine(BPoint(thumbBG.left + 1, thumbBG.top),
BPoint(thumbBG.right - 1, thumbBG.top), dark2);
AddLine(BPoint(thumbBG.right, thumbBG.top),
BPoint(thumbBG.right, thumbBG.bottom), dark);
AddLine(BPoint(thumbBG.right - 1, thumbBG.bottom),
BPoint(thumbBG.left + 1, thumbBG.bottom), normal);
int32 totalLines = 0;
if (rect.left > thumbBG.left)
totalLines += 1;
if (rect.left > thumbBG.left + 1)
totalLines += 3;
if (rect.right < thumbBG.right - 1)
totalLines += 3;
if (rect.right < thumbBG.right)
totalLines += 1;
if (totalLines > 0) {
BeginLineArray(totalLines);
if (rect.left > thumbBG.left) {
AddLine(BPoint(thumbBG.left, thumbBG.bottom),
BPoint(thumbBG.left, thumbBG.top),
rect.left > thumbBG.left + 1 ? dark4 : dark);
}
if (rect.left > thumbBG.left + 1) {
AddLine(BPoint(thumbBG.left + 1, thumbBG.top + 1),
BPoint(thumbBG.left + 1, thumbBG.bottom), dark2);
AddLine(BPoint(thumbBG.left + 1, thumbBG.top),
BPoint(rect.left - 1, thumbBG.top), dark2);
AddLine(BPoint(rect.left - 1, thumbBG.bottom),
BPoint(thumbBG.left + 2, thumbBG.bottom), normal);
}
if (rect.right < thumbBG.right - 1) {
AddLine(BPoint(rect.right + 2, thumbBG.top + 1),
BPoint(rect.right + 2, thumbBG.bottom), dark2);
AddLine(BPoint(rect.right + 1, thumbBG.top),
BPoint(thumbBG.right, thumbBG.top), dark2);
AddLine(BPoint(thumbBG.right - 1, thumbBG.bottom),
BPoint(rect.right + 3, thumbBG.bottom), normal);
}
if (rect.right < thumbBG.right) {
AddLine(BPoint(thumbBG.right, thumbBG.top),
BPoint(thumbBG.right, thumbBG.bottom), dark);
}
EndLineArray();
}
} else {
AddLine(BPoint(thumbBG.left, thumbBG.bottom - 1),
BPoint(thumbBG.left, thumbBG.top - 1), dark2);
AddLine(BPoint(thumbBG.left, thumbBG.top),
BPoint(thumbBG.right, thumbBG.top), dark);
AddLine(BPoint(thumbBG.right, thumbBG.top + 1),
BPoint(thumbBG.right, thumbBG.bottom - 1), normal);
AddLine(BPoint(thumbBG.right, thumbBG.bottom),
BPoint(thumbBG.left, thumbBG.bottom), dark);
int32 totalLines = 0;
if (rect.top > thumbBG.top)
totalLines += 1;
if (rect.top > thumbBG.top + 1)
totalLines += 3;
if (rect.bottom < thumbBG.bottom - 1)
totalLines += 3;
if (rect.bottom < thumbBG.bottom)
totalLines += 1;
if (totalLines > 0) {
BeginLineArray(totalLines);
if (rect.top > thumbBG.top) {
AddLine(BPoint(thumbBG.left, thumbBG.top),
BPoint(thumbBG.right, thumbBG.top),
rect.top > thumbBG.top + 1 ? dark4 : dark);
}
if (rect.top > thumbBG.top + 1) {
AddLine(BPoint(thumbBG.left + 1, thumbBG.top + 1),
BPoint(thumbBG.right, thumbBG.top + 1), dark2);
AddLine(BPoint(thumbBG.left, rect.top - 1),
BPoint(thumbBG.left, thumbBG.top + 1), dark2);
AddLine(BPoint(thumbBG.right, rect.top - 1),
BPoint(thumbBG.right, thumbBG.top + 2), normal);
}
if (rect.bottom < thumbBG.bottom - 1) {
AddLine(BPoint(thumbBG.left + 1, rect.bottom + 2),
BPoint(thumbBG.right, rect.bottom + 2), dark2);
AddLine(BPoint(thumbBG.left, rect.bottom + 1),
BPoint(thumbBG.left, thumbBG.bottom - 1), dark2);
AddLine(BPoint(thumbBG.right, rect.bottom + 3),
BPoint(thumbBG.right, thumbBG.bottom - 1), normal);
}
if (rect.bottom < thumbBG.bottom) {
AddLine(BPoint(thumbBG.left, thumbBG.bottom),
BPoint(thumbBG.right, thumbBG.bottom), dark);
}
EndLineArray();
}
}
EndLineArray();
thumbBG.InsetBy(1.0, 1.0);
SetHighColor(dark1);
// Draw scroll thumb
if (fPrivateData->fEnabled) {
// fill and additional dark lines
BRect rect(fPrivateData->fThumbFrame);
if (fOrientation == B_HORIZONTAL) {
BRect leftOfThumb(thumbBG.left, thumbBG.top, rect.left - 1, thumbBG.bottom);
BRect leftOfThumb(thumbBG.left + 1, thumbBG.top, rect.left - 1, thumbBG.bottom);
if (leftOfThumb.IsValid())
FillRect(leftOfThumb);
BRect rightOfThumb(rect.right + 1, thumbBG.top, thumbBG.right, thumbBG.bottom);
BRect rightOfThumb(rect.right + 3, thumbBG.top, thumbBG.right, thumbBG.bottom);
if (rightOfThumb.IsValid())
FillRect(rightOfThumb);
// dark lines before and after thumb
if (rect.left > thumbBG.left) {
// dark line before thumb
SetHighColor(dark);
StrokeLine(BPoint(rect.left - 1, rect.top), BPoint(rect.left - 1, rect.bottom));
/* if (rect.left > thumbBG.left + 1) {
// shadow line behind left arrows
SetHighColor(dark2);
StrokeLine(BPoint(thumbBG.left + 1, thumbBG.top), BPoint(thumbBG.left + 1, thumbBG.bottom));
}*/
}
if (rect.right < thumbBG.right) {
// dark line behind thumb
SetHighColor(dark);
SetHighColor(dark4);
StrokeLine(BPoint(rect.right + 1, rect.top), BPoint(rect.right + 1, rect.bottom));
/* if (rect.right < thumbBG.right - 1) {
// shadow line behind thumb
SetHighColor(dark2);
StrokeLine(BPoint(rect.right + 2, rect.top), BPoint(rect.right + 2, rect.bottom));
}*/
}
} else {
BRect topOfThumb(thumbBG.left, thumbBG.top, thumbBG.right, rect.top - 1);
BRect topOfThumb(thumbBG.left, thumbBG.top + 1, thumbBG.right, rect.top - 1);
if (topOfThumb.IsValid())
FillRect(topOfThumb);
BRect bottomOfThumb(thumbBG.left, rect.bottom + 1, thumbBG.right, thumbBG.bottom);
BRect bottomOfThumb(thumbBG.left, rect.bottom + 3, thumbBG.right, thumbBG.bottom);
if (bottomOfThumb.IsValid())
FillRect(bottomOfThumb);
// dark lines before and after thumb
SetHighColor(dark);
if (rect.top > thumbBG.top)
if (rect.top > thumbBG.top) {
SetHighColor(dark);
StrokeLine(BPoint(rect.left, rect.top - 1), BPoint(rect.right, rect.top - 1));
if (rect.bottom < thumbBG.bottom)
}
if (rect.bottom < thumbBG.bottom) {
SetHighColor(dark4);
StrokeLine(BPoint(rect.left, rect.bottom + 1), BPoint(rect.right, rect.bottom + 1));
}
}
BeginLineArray(4);
@ -764,7 +810,7 @@ BScrollBar::Draw(BRect updateRect)
// fill
rect.InsetBy(1.0, 1.0);
/*if (fPrivateData->fButtonDown == THUMB)
SetHighColor(tint_color(normal, B_DARKEN_1_TINT));
SetHighColor(tint_color(normal, (B_NO_TINT + B_DARKEN_1_TINT) / 2));
else*/
SetHighColor(normal);
@ -776,22 +822,21 @@ BScrollBar::Draw(BRect updateRect)
}
}
// FrameMoved
void
BScrollBar::FrameMoved(BPoint new_position)
{
}
// FrameResized
void
BScrollBar::FrameResized(float new_width, float new_height)
{
_UpdateThumbFrame();
Invalidate();
}
BHandler *
// ResolveSpecifier
BHandler*
BScrollBar::ResolveSpecifier(BMessage *msg,int32 index,
BMessage *specifier,int32 form,const char *property)
{
@ -799,24 +844,27 @@ BScrollBar::ResolveSpecifier(BMessage *msg,int32 index,
return NULL;
}
// ResizeToPreferred
void
BScrollBar::ResizeToPreferred()
{
// TODO: Implement
}
// GetPreferredSize
void
BScrollBar::GetPreferredSize(float *width, float *height)
{
if (fOrientation == B_VERTICAL)
if (fOrientation == B_VERTICAL) {
*width = B_V_SCROLL_BAR_WIDTH;
else if (fOrientation == B_HORIZONTAL)
*height = Bounds().Height();
} else if (fOrientation == B_HORIZONTAL) {
*width = Bounds().Width();
*height = B_H_SCROLL_BAR_HEIGHT;
}
}
// MakeFocus
void
BScrollBar::MakeFocus(bool state)
{
@ -825,26 +873,26 @@ BScrollBar::MakeFocus(bool state)
fTarget->MakeFocus(state);
}
// AllAttached
void
BScrollBar::AllAttached()
{
}
// AllDetached
void
BScrollBar::AllDetached()
{
}
// GetSupportedSuites
status_t
BScrollBar::GetSupportedSuites(BMessage *data)
{
return B_ERROR;
}
// Perform
status_t
BScrollBar::Perform(perform_code d, void *arg)
{
@ -857,7 +905,7 @@ void BScrollBar::_ReservedScrollBar2() {}
void BScrollBar::_ReservedScrollBar3() {}
void BScrollBar::_ReservedScrollBar4() {}
// operator=
BScrollBar &
BScrollBar::operator=(const BScrollBar &)
{
@ -908,19 +956,24 @@ BScrollBar::_UpdateThumbFrame()
// subtract the size of two buttons
maxSize -= buttonSize * 2;
}
// visual adjustments (room for darker line between thumb and buttons)
maxSize--;
float thumbSize = minSize;
if (fPrivateData->fScrollBarInfo.proportional)
thumbSize += (maxSize - minSize) * fProportion;
thumbSize = floorf(thumbSize + 0.5);
// the thumb can be scrolled within the remaining area "maxSize - thumbSize"
float offset = floorf(((fValue - fMin) / (fMax - fMin + 1.0)) * (maxSize - thumbSize) + 0.5);
float offset = floorf(((fValue - fMin) / (fMax - fMin + 1.0)) * (maxSize - thumbSize));
if (_DoubleArrows()) {
offset += buttonSize * 2;
} else {
offset += buttonSize;
}
// visual adjustments (room for darker line between thumb and buttons)
offset++;
if (fOrientation == B_VERTICAL) {
fPrivateData->fThumbFrame.bottom = fPrivateData->fThumbFrame.top + thumbSize;
@ -934,9 +987,9 @@ BScrollBar::_UpdateThumbFrame()
BRect invalid = oldFrame.IsValid() ? oldFrame | fPrivateData->fThumbFrame : fPrivateData->fThumbFrame;
// account for those two dark lines
if (fOrientation == B_HORIZONTAL)
invalid.InsetBy(-1.0, 0.0);
invalid.InsetBy(-2.0, 0.0);
else
invalid.InsetBy(0.0, -1.0);
invalid.InsetBy(0.0, -2.0);
Invalidate(invalid);
}
}
@ -976,6 +1029,9 @@ BScrollBar::_ValueFor(BPoint where) const
// convert point to inside of area between buttons
offset -= buttonSize;
}
// visual adjustments (room for darker line between thumb and buttons)
maxSize--;
offset++;
float value = fMin + (offset / (maxSize - thumbSize) * (fMax - fMin + 1.0));
if (value >= 0.0)
@ -1152,18 +1208,19 @@ control_scrollbar(scroll_bar_info *info, BScrollBar *bar)
return B_OK;
}
// _DrawArrowButton
void
BScrollBar::_DrawArrowButton(int32 direction, BRect r, bool down)
BScrollBar::_DrawArrowButton(int32 direction, BRect r, const BRect& updateRect, bool down)
{
// Another hack for code size
if (!updateRect.Intersects(r))
return;
rgb_color c = ui_color(B_PANEL_BACKGROUND_COLOR);
rgb_color light, dark, normal,arrow,arrow2;
if (down && fPrivateData->fDoRepeat) {
light = tint_color(c, (B_DARKEN_1_TINT + B_DARKEN_2_TINT) / 2.0);
arrow2 = dark = tint_color(c, B_LIGHTEN_MAX_TINT);
arrow2 = dark = tint_color(c, B_LIGHTEN_1_TINT);
normal = tint_color(c, B_DARKEN_1_TINT);
arrow = tint_color(c, B_DARKEN_MAX_TINT);
@ -1192,36 +1249,29 @@ BScrollBar::_DrawArrowButton(int32 direction, BRect r, bool down)
}
BPoint tri1, tri2, tri3;
r.InsetBy(4, 4);
switch (direction) {
case ARROW_LEFT:
{
tri1.Set(r.left + 3, (r.top + r.bottom) /2 );
tri2.Set(r.right - 3, r.top + 3);
tri3.Set(r.right - 3, r.bottom - 3);
tri1.Set(r.right, r.top);
tri2.Set(r.left + 1, (r.top + r.bottom + 1) /2 );
tri3.Set(r.right, r.bottom + 1);
break;
}
case ARROW_RIGHT:
{
tri1.Set(r.left + 3, r.bottom - 3);
tri2.Set(r.left + 3, r.top + 3);
tri3.Set(r.right-3, (r.top + r.bottom) / 2);
tri1.Set(r.left, r.bottom + 1);
tri2.Set(r.right - 1, (r.top + r.bottom + 1) / 2);
tri3.Set(r.left, r.top);
break;
}
case ARROW_UP:
{
tri1.Set(r.left + 3, r.bottom - 3);
tri2.Set((r.left + r.right) / 2, r.top + 3);
tri3.Set(r.right - 3, r.bottom - 3);
tri1.Set(r.left, r.bottom);
tri2.Set((r.left + r.right + 1) / 2, r.top + 1);
tri3.Set(r.right + 1, r.bottom);
break;
}
default:
{
tri1.Set(r.left + 3, r.top + 3);
tri2.Set(r.right - 3, r.top + 3);
tri3.Set((r.left + r.right) / 2, r.bottom - 3);
tri1.Set(r.left, r.top);
tri2.Set((r.left + r.right + 1) / 2, r.bottom - 1);
tri3.Set(r.right + 1, r.top);
break;
}
}
// offset triangle if down
if (down && fPrivateData->fDoRepeat) {
@ -1231,23 +1281,24 @@ BScrollBar::_DrawArrowButton(int32 direction, BRect r, bool down)
tri3 = tri3 + offset;
}
r.InsetBy(1, 1);
r.InsetBy(-3, -3);
SetHighColor(normal);
FillRect(r);
BShape arrowShape;
arrowShape.MoveTo(tri1);
arrowShape.LineTo(tri2);
arrowShape.LineTo(tri3);
SetHighColor(arrow);
FillTriangle(tri1, tri2, tri3);
/* SetHighColor(dark);
StrokeLine(tri2, tri3);
StrokeLine(tri1, tri3);
SetHighColor(arrow2);
StrokeLine(tri1, tri2);*/
SetPenSize(2.0);
StrokeShape(&arrowShape);
SetPenSize(1.0);
r.InsetBy(-1, -1);
BeginLineArray(4);
if (direction == ARROW_LEFT || direction == ARROW_RIGHT) {
// horizontal
AddLine(BPoint(r.left, r.bottom),
BPoint(r.left, r.top), light);
AddLine(BPoint(r.left + 1, r.top),
@ -1257,6 +1308,7 @@ BScrollBar::_DrawArrowButton(int32 direction, BRect r, bool down)
AddLine(BPoint(r.right - 1, r.bottom),
BPoint(r.left + 1, r.bottom), dark);
} else {
// vertical
AddLine(BPoint(r.left, r.bottom - 1),
BPoint(r.left, r.top), light);
AddLine(BPoint(r.left + 1, r.top),