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Add floating tabs in Tabs widget

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This commit is contained in:
David Capello 2015-03-24 11:52:19 -03:00
parent bab5d0c7e5
commit e506387dad
3 changed files with 165 additions and 50 deletions
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192
src/app/ui/tabs.cpp
View File

@ -9,13 +9,16 @@
#include "config.h"
#endif
#include "app/ui/tabs.h"
#include "app/modules/gfx.h"
#include "app/modules/gui.h"
#include "app/ui/skin/skin_theme.h"
#include "app/ui/skin/style.h"
#include "app/ui/tabs.h"
#include "she/font.h"
#include "she/scoped_surface_lock.h"
#include "she/surface.h"
#include "she/system.h"
#include "ui/intern.h"
#include "ui/ui.h"
@ -62,6 +65,8 @@ Tabs::Tabs(TabsDelegate* delegate)
, m_ani(ANI_NONE)
, m_removedTab(nullptr)
, m_isDragging(false)
, m_floatingTab(nullptr)
, m_floatingOverlay(nullptr)
{
setDoubleBuffered(true);
initTheme();
@ -71,7 +76,7 @@ Tabs::~Tabs()
{
if (m_removedTab) {
delete m_removedTab;
m_removedTab = NULL;
m_removedTab = nullptr;
}
// Stop animation
@ -147,15 +152,16 @@ void Tabs::updateTabs()
tabWidth = MAX(4*ui::guiscale(), tabWidth);
}
double x = 0.0;
int i = 0;
for (Tab* tab : m_list) {
if (tab == m_floatingTab)
continue;
tab->text = tab->view->getTabText();
tab->icon = tab->view->getTabIcon();
tab->x = int(x);
tab->width = int(x+tabWidth) - int(x);
x += tabWidth;
++i;
}
invalidate();
}
@ -236,17 +242,38 @@ bool Tabs::onProcessMessage(Message* msg)
}
// We are drag a tab...
else {
m_selected->x = m_dragTabX + delta.x;
Tab* justDocked = nullptr;
int i = (mousePos.x-m_border*guiscale()) / m_selected->width;
i = MID(0, i, int(m_list.size())-1);
if (i != m_dragTabIndex) {
std::swap(m_list[m_dragTabIndex], m_list[i]);
m_dragTabIndex = i;
// Floating tab (to create a new window)
if (ABS(delta.y) > 16*guiscale()) {
if (!m_floatingOverlay)
createFloatingTab(m_selected);
resetOldPositions(double(m_ani_t) / double(m_ani_T));
updateTabs();
startAni(ANI_REORDER_TABS, ANI_REORDER_TABS_TICKS);
m_floatingOverlay->moveOverlay(mousePos - m_dragOffset);
}
else {
justDocked = m_floatingTab;
destroyFloatingTab();
}
// Docked tab
if (!m_floatingOverlay) {
m_selected->x = m_dragTabX + delta.x;
int i = (mousePos.x-m_border*guiscale()) / m_selected->width;
i = MID(0, i, int(m_list.size())-1);
if (i != m_dragTabIndex) {
m_list.erase(m_list.begin()+m_dragTabIndex);
m_list.insert(m_list.begin()+i, m_selected);
m_dragTabIndex = i;
resetOldPositions(double(m_ani_t) / double(m_ani_T));
updateTabs();
startAni(ANI_REORDER_TABS, ANI_REORDER_TABS_TICKS);
}
if (justDocked)
justDocked->oldX = m_dragTabX + delta.x;
}
invalidate();
@ -255,16 +282,18 @@ bool Tabs::onProcessMessage(Message* msg)
return true;
case kMouseLeaveMessage:
if (m_hot != NULL) {
m_hot = NULL;
if (m_hot) {
m_hot = nullptr;
invalidate();
}
return true;
case kMouseDownMessage:
if (m_hot != NULL) {
if (m_hot) {
MouseMessage* mouseMsg = static_cast<MouseMessage*>(msg);
m_dragMousePos = mouseMsg->position();
m_dragOffset = mouseMsg->position() -
(getBounds().getOrigin() + getTabBounds(m_hot).getOrigin());
if (m_hotCloseButton) {
if (!m_clickedCloseButton) {
@ -360,46 +389,34 @@ void Tabs::onPaint(PaintEvent& ev)
drawFiller(g, box);
int startX = m_border*guiscale();
double t = double(m_ani_t)/double(m_ani_T);
// For each tab...
int i = 0;
for (Tab* tab : m_list) {
if (m_ani == ANI_NONE) {
box.x = startX + tab->x;
box.w = tab->width;
}
else {
box.x = startX + int(inbetween(tab->oldX, tab->x, t));
box.w = int(inbetween(tab->oldWidth, tab->width, t));
}
if (tab == m_floatingTab)
continue;
box = getTabBounds(tab);
if (tab != m_selected)
drawTab(g, box, tab, 0, (tab == m_hot), false);
box.x = box.x2();
++i;
}
// Draw deleted tab
if (m_ani == ANI_REMOVING_TAB && m_removedTab) {
box.x = startX + m_removedTab->x;
box.w = int(inbetween(m_removedTab->oldWidth, 0, t));
drawTab(g, box, m_removedTab, 0, false, false);
m_removedTab->width = 0;
box = getTabBounds(m_removedTab);
drawTab(g, box, m_removedTab, 0,
(m_removedTab == m_floatingTab),
(m_removedTab == m_floatingTab));
}
// Tab that is being dragged
if (m_selected) {
if (m_selected && m_selected != m_floatingTab) {
double t = double(m_ani_t) / double(m_ani_T);
Tab* tab = m_selected;
if (m_ani == ANI_NONE) {
box.x = startX + tab->x;
box.w = tab->width;
}
else {
box.x = startX + int(inbetween(tab->oldX, tab->x, t));
box.w = int(inbetween(tab->oldWidth, tab->width, t));
}
box = getTabBounds(tab);
int dy = 0;
if (m_ani == ANI_ADDING_TAB)
@ -442,11 +459,6 @@ void Tabs::drawTab(Graphics* g, const gfx::Rect& _box, Tab* tab, int dy,
bool hover, bool selected)
{
gfx::Rect box = _box;
// Is the tab outside the bounds of the widget?
if (box.x >= getBounds().x2() || box.x2() <= getBounds().x)
return;
if (box.w < ui::guiscale()*8)
box.w = ui::guiscale()*8;
@ -587,6 +599,9 @@ void Tabs::calculateHot()
// For each tab
for (Tab* tab : m_list) {
if (tab == m_floatingTab)
continue;
box.w = tab->width;
if (box.contains(mousePos)) {
@ -625,6 +640,9 @@ gfx::Rect Tabs::getTabCloseButtonBounds(Tab* tab, const gfx::Rect& box)
void Tabs::resetOldPositions()
{
for (Tab* tab : m_list) {
if (tab == m_floatingTab)
continue;
tab->oldX = tab->x;
tab->oldWidth = tab->width;
}
@ -633,6 +651,9 @@ void Tabs::resetOldPositions()
void Tabs::resetOldPositions(double t)
{
for (Tab* tab : m_list) {
if (tab == m_floatingTab)
continue;
tab->oldX = int(inbetween(tab->oldX, tab->x, t));
tab->oldWidth = int(inbetween(tab->oldWidth, tab->width, t));
}
@ -677,6 +698,8 @@ void Tabs::stopDrag()
{
m_isDragging = false;
destroyFloatingTab();
if (m_selected) {
m_selected->oldX = m_selected->x;
m_selected->oldWidth = m_selected->width;
@ -687,4 +710,83 @@ void Tabs::stopDrag()
startAni(ANI_REORDER_TABS, ANI_REORDER_TABS_TICKS);
}
gfx::Rect Tabs::getTabBounds(Tab* tab)
{
SkinTheme* theme = static_cast<SkinTheme*>(this->getTheme());
gfx::Rect rect = getClientBounds();
gfx::Rect box(rect.x, rect.y, rect.w,
(m_list.empty() && m_ani == ANI_NONE ? 0:
theme->dimensions.tabsHeight() - theme->dimensions.tabsEmptyHeight()));
int startX = m_border*guiscale();
double t = double(m_ani_t) / double(m_ani_T);
if (m_ani == ANI_NONE) {
box.x = startX + tab->x;
box.w = tab->width;
}
else {
box.x = startX + int(inbetween(tab->oldX, tab->x, t));
box.w = int(inbetween(tab->oldWidth, tab->width, t));
}
return box;
}
void Tabs::createFloatingTab(Tab* tab)
{
ASSERT(!m_floatingOverlay);
SkinTheme* theme = static_cast<SkinTheme*>(this->getTheme());
she::Surface* surface = she::instance()->createRgbaSurface(
tab->width, theme->dimensions.tabsHeight());
{
Graphics g(surface, 0, 0);
g.setFont(getFont());
g.fillRect(gfx::ColorNone, g.getClipBounds());
drawTab(&g, g.getClipBounds(), tab, 0, true, true);
}
// Make opaque (TODO this shouldn't be necessary)
{
she::ScopedSurfaceLock lock(surface);
for (int y=0; y<surface->height(); ++y)
for (int x=0; x<surface->width(); ++x) {
gfx::Color c = lock->getPixel(x, y);
lock->putPixel(gfx::seta(c, 255), x, y);
}
}
m_floatingOverlay = new Overlay(surface, gfx::Point(), Overlay::MouseZOrder-1);
OverlayManager::instance()->addOverlay(m_floatingOverlay);
resetOldPositions();
m_floatingTab = tab;
m_removedTab = nullptr;
startAni(ANI_REMOVING_TAB, ANI_REMOVING_TAB_TICKS);
updateTabs();
}
void Tabs::destroyFloatingTab()
{
if (m_floatingOverlay) {
OverlayManager::instance()->removeOverlay(m_floatingOverlay);
delete m_floatingOverlay;
m_floatingOverlay = nullptr;
}
if (m_floatingTab) {
Tab* tab = m_floatingTab;
m_floatingTab = nullptr;
resetOldPositions();
startAni(ANI_ADDING_TAB, ANI_ADDING_TAB_TICKS);
updateTabs();
tab->oldX = tab->x;
tab->oldWidth = 0;
}
}
} // namespace app

7
src/app/ui/tabs.h
View File

@ -17,6 +17,7 @@
namespace ui {
class Graphics;
class Overlay;
}
namespace app {
@ -119,6 +120,9 @@ namespace app {
gfx::Rect getTabCloseButtonBounds(Tab* tab, const gfx::Rect& box);
void startDrag();
void stopDrag();
gfx::Rect getTabBounds(Tab* tab);
void createFloatingTab(Tab* tab);
void destroyFloatingTab();
int m_border;
TabsList m_list;
@ -141,7 +145,10 @@ namespace app {
bool m_isDragging;
int m_dragTabX;
gfx::Point m_dragMousePos;
gfx::Point m_dragOffset;
int m_dragTabIndex;
Tab* m_floatingTab;
ui::Overlay* m_floatingOverlay;
};
} // namespace app

16
src/she/alleg4/surface.h
View File

@ -1,5 +1,5 @@
// SHE library
// Copyright (C) 2012-2014 David Capello
// Copyright (C) 2012-2015 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
@ -55,10 +55,16 @@ void checked_mode(int offset)
namespace she {
inline int to_allegro(int color_depth, gfx::Color color) {
if (gfx::is_transparent(color))
return -1;
else
return makecol_depth(color_depth, gfx::getr(color), gfx::getg(color), gfx::getb(color));
if (color_depth == 32) {
return makeacol32(
gfx::getr(color), gfx::getg(color), gfx::getb(color), gfx::geta(color));
}
else {
if (gfx::is_transparent(color))
return -1;
else
return makecol_depth(color_depth, gfx::getr(color), gfx::getg(color), gfx::getb(color));
}
}
inline gfx::Color from_allegro(int color_depth, int color) {