BMenuField
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3542 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marc Flerackers
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//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, OpenBeOS
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: MenuField.cpp
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// Author: Marc Flerackers ([email protected])
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// Description: BMenuField displays a labeled pop-up menu.
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//------------------------------------------------------------------------------
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// Standard Includes -----------------------------------------------------------
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// System Includes -------------------------------------------------------------
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#include <MenuBar.h>
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#include <MenuField.h>
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#include <Message.h>
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#include <BMCPrivate.h>
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#include <Window.h>
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// Project Includes ------------------------------------------------------------
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// Local Includes --------------------------------------------------------------
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// Local Defines ---------------------------------------------------------------
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// Globals ---------------------------------------------------------------------
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static float kVMargin = 2.0f;
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//------------------------------------------------------------------------------
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BMenuField::BMenuField(BRect frame, const char *name, const char *label,
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BMenu *menu, uint32 resize, uint32 flags)
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: BView(frame, name, resize, flags)
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{
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InitObject(label);
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SetFont(be_plain_font);
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fMenu = menu;
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InitMenu(menu);
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frame.OffsetTo(0.0f, 0.0f);
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fMenuBar = new _BMCMenuBar_(BRect(frame.left + fDivider + 2.0f,
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frame.top + kVMargin, frame.right - 2.0f, frame.bottom - kVMargin),
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false, this);
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AddChild(fMenuBar);
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fMenuBar->AddItem(menu);
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fMenuBar->SetFont(be_plain_font);
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InitObject2();
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}
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//------------------------------------------------------------------------------
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BMenuField::BMenuField(BRect frame, const char *name, const char *label,
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BMenu *menu, bool fixed_size, uint32 resize,
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uint32 flags)
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: BView(frame, name, resize, flags)
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{
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InitObject(label);
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SetFont(be_plain_font);
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fMenu = menu;
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InitMenu(menu);
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fFixedSizeMB = fixed_size;
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frame.OffsetTo(0.0f, 0.0f);
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fMenuBar = new _BMCMenuBar_(BRect(frame.left + fDivider + 2.0f,
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frame.top + kVMargin, frame.right - 2.0f, frame.bottom - kVMargin),
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fixed_size, this);
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AddChild(fMenuBar);
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fMenuBar->AddItem(new _BMCItem_(menu));
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fMenuBar->SetFont(be_plain_font);
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InitObject2();
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}
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//------------------------------------------------------------------------------
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BMenuField::BMenuField(BMessage *data)
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: BView(data)
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{
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const char *label = NULL;
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data->FindString("_label", &label);
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InitObject(label);
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fMenuBar = (BMenuBar*)FindView("_mc_mb_");
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fMenu = fMenuBar->SubmenuAt(0);
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InitObject2();
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bool disable;
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if (data->FindBool("_disable", &disable) == B_OK)
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SetEnabled(!disable);
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int32 align;
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data->FindInt32("_align", &align);
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SetAlignment((alignment)align);
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data->FindFloat("_divide", &fDivider);
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bool fixed;
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if (data->FindBool("be:fixeds", &fixed) == B_OK)
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fFixedSizeMB = fixed;
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BMenuItem *item = fMenuBar->ItemAt(0);
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if (!item)
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return;
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_BMCItem_ *bmcitem = dynamic_cast<_BMCItem_*>(item);
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if (!bmcitem)
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return;
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bool dmark;
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if (data->FindBool("be:dmark", &dmark))
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bmcitem->fShowPopUpMarker = dmark;
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}
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//------------------------------------------------------------------------------
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BMenuField::~BMenuField()
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{
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if (fLabel)
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free(fLabel);
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if (fMenuTaskID >= 0)
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kill_thread(fMenuTaskID);
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}
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//------------------------------------------------------------------------------
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BArchivable *BMenuField::Instantiate(BMessage *data)
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{
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if (validate_instantiation(data, "BMenuField"))
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return new BMenuField(data);
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else
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return NULL;
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}
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//------------------------------------------------------------------------------
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status_t BMenuField::Archive(BMessage *data, bool deep) const
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{
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BView::Archive(data, deep);
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if (Label())
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data->AddString("_label", Label());
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if (!IsEnabled())
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data->AddBool("_disable", true);
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data->AddInt32("_align", Alignment());
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data->AddFloat("_divide", Divider());
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if (fFixedSizeMB)
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data->AddBool("be:fixeds", true);
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BMenuItem *item = fMenuBar->ItemAt(0);
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if (!item)
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return B_OK;
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_BMCItem_ *bmcitem = dynamic_cast<_BMCItem_*>(item);
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if (bmcitem && !bmcitem->fShowPopUpMarker)
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data->AddBool("be:dmark", false);
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return B_OK;
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}
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//------------------------------------------------------------------------------
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void BMenuField::Draw(BRect update)
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{
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BRect bounds(Bounds());
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bool active = false;
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if (IsFocus())
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active = Window()->IsActive();
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/*
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SetHighColor(0, 255, 0);
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FillRect(bounds);
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*/
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DrawLabel(bounds, update);
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BRect frame(fMenuBar->Frame());
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//rgb_color color = HighColor();
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if (frame.InsetByCopy(-2, -2).Intersects(update))
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{
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SetHighColor(tint_color(ui_color(B_MENU_BACKGROUND_COLOR), B_DARKEN_2_TINT));
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StrokeLine(BPoint(frame.left - 1.0f, frame.top - 1.0f),
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BPoint(frame.left - 1.0f, frame.bottom - 1.0f));
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StrokeLine(BPoint(frame.left - 1.0f, frame.top - 1.0f),
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BPoint(frame.right - 1.0f, frame.top - 1.0f));
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StrokeLine(BPoint(frame.left + 1.0f, frame.bottom + 1.0f),
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BPoint(frame.right + 1.0f, frame.bottom + 1.0f));
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StrokeLine(BPoint(frame.right + 1.0f, frame.top + 1.0f));
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SetHighColor(tint_color(ui_color(B_MENU_BACKGROUND_COLOR), B_DARKEN_4_TINT));
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StrokeLine(BPoint(frame.left - 1.0f, frame.bottom),
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BPoint(frame.left - 1.0f, frame.bottom));
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StrokeLine(BPoint(frame.right, frame.top - 1.0f),
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BPoint(frame.right, frame.top - 1.0f));
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}
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if (active || fTransition)
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{
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SetHighColor(active ? ui_color(B_KEYBOARD_NAVIGATION_COLOR) :
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ViewColor());
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StrokeRect(frame.InsetByCopy(-kVMargin, -kVMargin));
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fTransition = false;
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}
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}
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//------------------------------------------------------------------------------
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void BMenuField::AttachedToWindow()
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{
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if (Parent())
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{
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SetViewColor(Parent()->ViewColor());
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SetLowColor(Parent()->ViewColor());
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}
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if (fLabel)
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fStringWidth = StringWidth(fLabel);
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}
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//------------------------------------------------------------------------------
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void BMenuField::AllAttached()
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{
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ResizeTo(Bounds().Width(),
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fMenuBar->Bounds().Height() + kVMargin + kVMargin);
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}
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//------------------------------------------------------------------------------
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void BMenuField::MouseDown(BPoint where)
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{
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if (where.x > fDivider && !fMenuBar->Frame().Contains(where))
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return;
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BRect bounds(Bounds());
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fMenuBar->StartMenuBar(0, false, true,
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&fMenuBar->ConvertFromParent(bounds));
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fMenuTaskID = spawn_thread((thread_func)MenuTask, "_m_task_",
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B_NORMAL_PRIORITY, this);
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if (fMenuTaskID)
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resume_thread(fMenuTaskID);
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}
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//------------------------------------------------------------------------------
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void BMenuField::KeyDown(const char *bytes, int32 numBytes)
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{
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switch (bytes[0])
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{
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case B_SPACE:
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case B_RIGHT_ARROW:
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case B_DOWN_ARROW:
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{
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BRect bounds(Bounds());
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fMenuBar->StartMenuBar(0, true, true,
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&fMenuBar->ConvertFromParent(bounds));
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fSelected = true;
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fTransition = true;
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bounds = Bounds();
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bounds.right = fDivider;
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Draw(bounds);
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}
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default:
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BView::KeyDown(bytes, numBytes);
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}
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}
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//------------------------------------------------------------------------------
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void BMenuField::MakeFocus(bool state)
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{
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if (IsFocus() == state)
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return;
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BView::MakeFocus(state);
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if(Window())
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Draw(Bounds()); // TODO: use fStringWidth
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}
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//------------------------------------------------------------------------------
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void BMenuField::MessageReceived(BMessage *msg)
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{
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BView::MessageReceived(msg);
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}
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//------------------------------------------------------------------------------
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void BMenuField::WindowActivated(bool state)
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{
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BView::WindowActivated(state);
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if (IsFocus())
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Draw(Bounds());
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}
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//------------------------------------------------------------------------------
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void BMenuField::MouseUp(BPoint pt)
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{
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BView::MouseUp(pt);
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}
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//------------------------------------------------------------------------------
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void BMenuField::MouseMoved(BPoint pt, uint32 code, const BMessage *msg)
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{
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BView::MouseMoved(pt, code, msg);
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}
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//------------------------------------------------------------------------------
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void BMenuField::DetachedFromWindow()
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{
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BView::DetachedFromWindow();
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}
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//------------------------------------------------------------------------------
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void BMenuField::AllDetached()
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{
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BView::AllDetached();
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}
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//------------------------------------------------------------------------------
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void BMenuField::FrameMoved(BPoint new_position)
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{
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BView::FrameMoved(new_position);
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}
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//------------------------------------------------------------------------------
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void BMenuField::FrameResized(float new_width, float new_height)
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{
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BView::FrameResized(new_width, new_height);
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}
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//------------------------------------------------------------------------------
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BMenu *BMenuField::Menu() const
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{
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return fMenu;
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}
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//------------------------------------------------------------------------------
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BMenuBar *BMenuField::MenuBar() const
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{
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return fMenuBar;
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}
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//------------------------------------------------------------------------------
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BMenuItem *BMenuField::MenuItem() const
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{
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return fMenuBar->ItemAt(0);
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}
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//------------------------------------------------------------------------------
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void BMenuField::SetLabel(const char *label)
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{
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if (fLabel)
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{
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if (label && strcmp(fLabel, label) == 0)
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return;
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free(fLabel);
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}
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fLabel = strdup(label);
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if (Window())
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{
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Invalidate();
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if (fLabel)
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fStringWidth = StringWidth(fLabel);
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}
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}
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//------------------------------------------------------------------------------
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const char *BMenuField::Label() const
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{
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return fLabel;
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}
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//------------------------------------------------------------------------------
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void BMenuField::SetEnabled(bool on)
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{
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if (fEnabled == on)
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return;
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fEnabled = on;
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fMenuBar->SetEnabled(on);
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if (Window())
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{
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fMenuBar->Invalidate(fMenuBar->Bounds());
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Invalidate(Bounds());
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}
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}
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//------------------------------------------------------------------------------
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bool BMenuField::IsEnabled() const
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{
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return fEnabled;
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}
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//------------------------------------------------------------------------------
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void BMenuField::SetAlignment(alignment label)
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{
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fAlign = label;
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}
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//------------------------------------------------------------------------------
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alignment BMenuField::Alignment() const
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{
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return fAlign;
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}
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//------------------------------------------------------------------------------
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void BMenuField::SetDivider(float dividing_line)
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{
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if (fDivider - dividing_line == 0.0f)
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return;
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MenuBar()->MoveBy(dividing_line - fDivider, 0.0f);
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MenuBar()->ResizeBy(fDivider - dividing_line, 0.0f);
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fDivider = dividing_line;
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}
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//------------------------------------------------------------------------------
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float BMenuField::Divider() const
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{
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return fDivider;
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}
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//------------------------------------------------------------------------------
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void BMenuField::ShowPopUpMarker()
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{
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// TODO:
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}
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//------------------------------------------------------------------------------
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void BMenuField::HidePopUpMarker()
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{
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// TODO:
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}
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//------------------------------------------------------------------------------
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BHandler *BMenuField::ResolveSpecifier(BMessage *msg,
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int32 index,
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BMessage *specifier,
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int32 form,
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const char *property)
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{
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return BView::ResolveSpecifier(msg, index, specifier, form, property);
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}
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//------------------------------------------------------------------------------
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status_t BMenuField::GetSupportedSuites(BMessage *data)
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{
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return BView::GetSupportedSuites(data);
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}
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//------------------------------------------------------------------------------
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void BMenuField::ResizeToPreferred()
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{
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BView::ResizeToPreferred();
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}
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//------------------------------------------------------------------------------
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void BMenuField::GetPreferredSize(float *width, float *height)
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{
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BView::GetPreferredSize(width, height);
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}
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//------------------------------------------------------------------------------
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status_t BMenuField::Perform(perform_code d, void *arg)
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{
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return BView::Perform(d, arg);
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}
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//------------------------------------------------------------------------------
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void BMenuField::_ReservedMenuField1() {}
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void BMenuField::_ReservedMenuField2() {}
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void BMenuField::_ReservedMenuField3() {}
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//------------------------------------------------------------------------------
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BMenuField &BMenuField::operator=(const BMenuField &)
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{
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return *this;
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}
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//------------------------------------------------------------------------------
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void BMenuField::InitObject(const char *label)
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{
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fLabel = NULL;
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fMenu = NULL;
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fMenuBar;
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fAlign = B_ALIGN_LEFT;
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fStringWidth = 0;
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fEnabled = true;
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fSelected = false;
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fTransition = false;
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fFixedSizeMB = false;
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fMenuTaskID = -1;
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SetLabel(label);
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if (label)
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fDivider = (float)floor(Frame().Width() / 2.0f);
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else
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fDivider = 0;
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}
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//------------------------------------------------------------------------------
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void BMenuField::InitObject2()
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{
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// TODO set filter
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}
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//------------------------------------------------------------------------------
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void BMenuField::DrawLabel(BRect bounds, BRect update)
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{
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font_height fh;
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GetFontHeight(&fh);
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if (Label())
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{
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SetLowColor(ViewColor());
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float y = (float)ceil(fh.ascent + fh.descent + fh.leading) + 2.0f;
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float x;
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switch (fAlign)
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{
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case B_ALIGN_RIGHT:
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x = fDivider - StringWidth(Label()) - 3.0f;
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break;
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||||
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case B_ALIGN_CENTER:
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x = fDivider - StringWidth(Label()) / 2.0f;
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||||
break;
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||||
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||||
default:
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x = 3.0f;
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break;
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||||
}
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||||
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SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR),
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||||
IsEnabled() ? B_DARKEN_MAX_TINT : B_DISABLED_LABEL_TINT));
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DrawString(Label(), BPoint(x, y));
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||||
}
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||||
}
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//------------------------------------------------------------------------------
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void BMenuField::InitMenu(BMenu *menu)
|
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{
|
||||
menu->SetFont(be_plain_font);
|
||||
|
||||
int32 index = 0;
|
||||
BMenu *subMenu;
|
||||
|
||||
while (subMenu = menu->SubmenuAt(index++))
|
||||
InitMenu(subMenu);
|
||||
}
|
||||
//------------------------------------------------------------------------------
|
||||
long BMenuField::MenuTask(void *arg)
|
||||
{
|
||||
BRect rect;
|
||||
BMenuField *menuField = (BMenuField*)arg;
|
||||
|
||||
if (!menuField->LockLooper())
|
||||
return 0;
|
||||
|
||||
menuField->fSelected = true;
|
||||
menuField->fTransition = true;
|
||||
menuField->Draw(menuField->Bounds());
|
||||
|
||||
menuField->UnlockLooper();
|
||||
|
||||
bool tracking;
|
||||
|
||||
do
|
||||
{
|
||||
snooze(20000);
|
||||
|
||||
if (!menuField->LockLooper())
|
||||
return 0;
|
||||
|
||||
tracking = menuField->fMenuBar->fTracking;
|
||||
|
||||
menuField->UnlockLooper();
|
||||
} while (tracking);
|
||||
|
||||
if (!menuField->LockLooper())
|
||||
return 0;
|
||||
|
||||
menuField->fSelected = false;
|
||||
menuField->fTransition = true;
|
||||
menuField->Draw(menuField->Bounds());
|
||||
|
||||
menuField->UnlockLooper();
|
||||
|
||||
return 0;
|
||||
}
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
Reference in New Issue
Block a user