433 lines
8.5 KiB
C++
433 lines
8.5 KiB
C++
/*
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* Copyright 2010, Pier Luigi Fiorini. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Pier Luigi Fiorini, pierluigi.fiorini@gmail.com
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*/
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#include <new>
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#include <ControlLook.h>
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#include <LayoutUtils.h>
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#include <Looper.h>
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#include <MenuItem.h>
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#include <PopUpMenu.h>
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#include <Window.h>
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#include <binary_compatibility/Interface.h>
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#include <libinterface/BitmapUtils.h>
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#include "ToolButton.h"
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const float kPopUpMarkerSize = 5.0f;
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const float kPopUpMarkerTop = 0.5f;
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const float kPopUpMarkerRect = (kPopUpMarkerSize * 2) + 2;
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const uint32 kToolbarIconSize = 16;
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// this should go on BControlLook
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ToolButton::ToolButton(const char* name, const char* label, BMessage* message,
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uint32 flags)
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:
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BControl(name, label, message,
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flags | B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE),
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fBitmap(NULL),
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fMenu(NULL),
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fPreferredSize(-1, -1)
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{
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SetFontSize(be_plain_font->Size() * 0.85f);
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}
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ToolButton::ToolButton(const char* label, BMessage* message)
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: BControl(NULL, label, message,
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B_WILL_DRAW | B_NAVIGABLE | B_FULL_UPDATE_ON_RESIZE),
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fBitmap(NULL),
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fMenu(NULL),
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fPreferredSize(-1, -1)
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{
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SetFontSize(be_plain_font->Size() * 0.85f);
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}
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ToolButton::ToolButton(BMessage* archive)
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: BControl(archive),
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fBitmap(NULL),
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fMenu(NULL),
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fPreferredSize(-1, -1)
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{
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SetFontSize(be_plain_font->Size() * 0.85f);
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}
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ToolButton::~ToolButton()
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{
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}
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BArchivable*
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ToolButton::Instantiate(BMessage* archive)
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{
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if (validate_instantiation(archive, "ToolButton"))
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return new(std::nothrow) ToolButton(archive);
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return NULL;
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}
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status_t
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ToolButton::Archive(BMessage* archive, bool deep) const
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{
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status_t err = BControl::Archive(archive, deep);
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if (err != B_OK)
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return err;
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return err;
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}
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BSize
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ToolButton::MinSize()
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{
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return BLayoutUtils::ComposeSize(ExplicitMinSize(),
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_ValidatePreferredSize());
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}
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BSize
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ToolButton::MaxSize()
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{
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return BLayoutUtils::ComposeSize(ExplicitMaxSize(),
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_ValidatePreferredSize());
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}
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BSize
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ToolButton::PreferredSize()
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{
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return BLayoutUtils::ComposeSize(ExplicitPreferredSize(),
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_ValidatePreferredSize());
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}
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void
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ToolButton::Draw(BRect updateRect)
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{
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BRect bounds(Bounds());
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rgb_color base = ui_color(B_PANEL_BACKGROUND_COLOR);
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uint32 flags = be_control_look->Flags(this);
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// Draw background and borders
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rgb_color button = IsEnabled() ? tint_color(base, 1.07f) : base;
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be_control_look->DrawButtonBackground(this, bounds, updateRect,
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button, flags, 0);
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be_control_look->DrawBorder(this, bounds, updateRect,
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base, B_PLAIN_BORDER, flags);
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// Calculate popup marker space
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if (fMenu)
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bounds.right -= kPopUpMarkerRect;
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// Draw bitmap
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if (Bitmap()) {
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SetDrawingMode(B_OP_ALPHA);
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SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
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BRect frame(bounds);
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BPoint center = _Center(frame);
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frame.bottom = frame.top + kToolbarIconSize + 4;
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frame.top += 2;
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frame.left = center.x - (kToolbarIconSize / 2);
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frame.right = center.x + (kToolbarIconSize / 2);
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DrawBitmap(fBitmap, fBitmap->Bounds(), frame, B_FILTER_BITMAP_BILINEAR);
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bounds.top = frame.bottom;
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}
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// Draw label
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if (Label())
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be_control_look->DrawLabel(this, Label(), bounds, updateRect,
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base, flags, BAlignment(B_ALIGN_CENTER, B_ALIGN_MIDDLE));
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if (fMenu) {
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// Draw popup marker
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bounds = Bounds();
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bounds.left = bounds.right - kPopUpMarkerRect;
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bounds.InsetBy(1, 1);
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be_control_look->DrawButtonBackground(this, bounds, updateRect,
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tint_color(button, B_DARKEN_2_TINT), flags, 0);
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float tint = IsEnabled() ? B_DARKEN_4_TINT : B_DARKEN_1_TINT;
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BPoint center(_Center(bounds));
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BPoint triangle[3];
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triangle[0] = center + BPoint(-(kPopUpMarkerSize / 2.0),
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-kPopUpMarkerTop);
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triangle[1] = center + BPoint(kPopUpMarkerSize, -kPopUpMarkerTop);
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triangle[2] = center + BPoint(0.0, (kPopUpMarkerSize / 2.0f)
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- kPopUpMarkerTop);
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uint32 origFlags = Flags();
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SetFlags(origFlags | B_SUBPIXEL_PRECISE);
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SetHighColor(tint_color(base, tint));
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FillTriangle(triangle[0], triangle[1], triangle[2]);
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SetFlags(origFlags);
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}
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}
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void
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ToolButton::AttachedToWindow()
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{
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BControl::AttachedToWindow();
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SetViewColor(B_TRANSPARENT_COLOR);
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}
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void
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ToolButton::MouseDown(BPoint where)
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{
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if (!IsEnabled())
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return;
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BRect rect(Bounds());
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rect.left = rect.right - kPopUpMarkerRect;
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if (fMenu && rect.Contains(where)) {
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BPoint coords(rect.left + 2, rect.bottom + 1);
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ConvertToScreen(&coords);
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BMenuItem* selected = fMenu->Go(coords, false, true);
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if (selected) {
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BLooper* looper;
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BHandler* target = selected->Target(&looper);
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(void)looper->PostMessage(selected->Message(), target);
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}
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} else {
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SetValue(B_CONTROL_ON);
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if (Window()->Flags() & B_ASYNCHRONOUS_CONTROLS) {
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SetTracking(true);
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SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
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} else {
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BRect bounds = Bounds();
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uint32 buttons;
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do {
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Window()->UpdateIfNeeded();
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snooze(40000);
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GetMouse(&where, &buttons, true);
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bool inside = bounds.Contains(where);
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if ((Value() == B_CONTROL_ON) != inside)
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SetValue(inside ? B_CONTROL_ON : B_CONTROL_OFF);
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} while (buttons != 0);
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if (Value() == B_CONTROL_ON)
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Invoke();
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}
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}
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}
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void
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ToolButton::MouseMoved(BPoint where, uint32 transit, const BMessage* message)
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{
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if (!IsTracking())
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return;
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bool inside = Bounds().Contains(where);
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if ((Value() == B_CONTROL_ON) != inside)
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SetValue(inside ? B_CONTROL_ON : B_CONTROL_OFF);
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}
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void
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ToolButton::MouseUp(BPoint where)
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{
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if (!IsTracking())
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return;
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if (Bounds().Contains(where))
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Invoke();
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SetTracking(false);
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}
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void
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ToolButton::SetLabel(const char* string)
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{
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BControl::SetLabel(string);
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}
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void
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ToolButton::MessageReceived(BMessage* message)
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{
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BControl::MessageReceived(message);
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}
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void
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ToolButton::WindowActivated(bool active)
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{
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BControl::WindowActivated(active);
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}
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status_t
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ToolButton::Invoke(BMessage* message)
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{
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Sync();
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snooze(50000);
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status_t err = BControl::Invoke(message);
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SetValue(B_CONTROL_OFF);
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return err;
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}
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status_t
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ToolButton::Perform(perform_code code, void* data)
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{
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switch (code) {
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case PERFORM_CODE_MIN_SIZE:
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((perform_data_min_size*)data)->return_value
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= ToolButton::MinSize();
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return B_OK;
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case PERFORM_CODE_MAX_SIZE:
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((perform_data_max_size*)data)->return_value
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= ToolButton::MaxSize();
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return B_OK;
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case PERFORM_CODE_PREFERRED_SIZE:
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((perform_data_preferred_size*)data)->return_value
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= ToolButton::PreferredSize();
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return B_OK;
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case PERFORM_CODE_LAYOUT_ALIGNMENT:
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((perform_data_layout_alignment*)data)->return_value
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= ToolButton::LayoutAlignment();
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return B_OK;
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case PERFORM_CODE_HAS_HEIGHT_FOR_WIDTH:
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((perform_data_has_height_for_width*)data)->return_value
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= ToolButton::HasHeightForWidth();
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return B_OK;
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case PERFORM_CODE_GET_HEIGHT_FOR_WIDTH: {
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perform_data_get_height_for_width* _data
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= (perform_data_get_height_for_width*)data;
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ToolButton::GetHeightForWidth(_data->width, &_data->min, &_data->max,
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&_data->preferred);
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return B_OK;
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}
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case PERFORM_CODE_INVALIDATE_LAYOUT: {
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perform_data_invalidate_layout* _data
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= (perform_data_invalidate_layout*)_data;
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ToolButton::InvalidateLayout(_data->descendants);
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return B_OK;
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}
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case PERFORM_CODE_DO_LAYOUT:
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ToolButton::DoLayout();
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return B_OK;
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}
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return BControl::Perform(code, data);
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}
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void
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ToolButton::InvalidateLayout(bool descendants)
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{
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fPreferredSize.Set(-1, -1);
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BControl::InvalidateLayout(descendants);
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}
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BBitmap*
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ToolButton::Bitmap() const
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{
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return fBitmap;
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}
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void
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ToolButton::SetBitmap(BBitmap* bitmap)
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{
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fBitmap = bitmap;
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}
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BPopUpMenu*
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ToolButton::Menu() const
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{
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return fMenu;
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}
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void
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ToolButton::SetMenu(BPopUpMenu* menu)
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{
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fMenu = menu;
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}
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BPoint
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ToolButton::_Center(BRect rect)
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{
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BPoint center(roundf((rect.left + rect.right) / 2.0f),
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roundf((rect.top + rect.bottom) / 2.0f));
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return center;
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}
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BSize
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ToolButton::_ValidatePreferredSize()
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{
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if (fPreferredSize.width < 0) {
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float startWidth = 10;
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float minSize = 25;
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float minWidth = minSize;
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if (fMenu) {
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startWidth += kPopUpMarkerRect;
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minWidth += kPopUpMarkerRect;
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}
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// Width
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float width = startWidth + (float)ceil(StringWidth(Label()));
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if (width < minWidth)
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width = minWidth;
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fPreferredSize.width = width;
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// Height
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fPreferredSize.height = 0;
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if (Label()) {
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font_height fontHeight;
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GetFontHeight(&fontHeight);
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fPreferredSize.height
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+= ceilf((fontHeight.ascent + fontHeight.descent) * 1.5f);
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}
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if (Bitmap())
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fPreferredSize.height += kToolbarIconSize + 6;
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if (Bitmap() && Label())
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fPreferredSize.height += 4;
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if (fPreferredSize.height < minSize)
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fPreferredSize.height = minSize;
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ResetLayoutInvalidation();
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}
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return fPreferredSize;
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}
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