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Diffstat (limited to 'xfa/fwl/cfwl_pushbutton.cpp')
-rw-r--r--xfa/fwl/cfwl_pushbutton.cpp291
1 files changed, 291 insertions, 0 deletions
diff --git a/xfa/fwl/cfwl_pushbutton.cpp b/xfa/fwl/cfwl_pushbutton.cpp
new file mode 100644
index 0000000000..4e5ab8baf6
--- /dev/null
+++ b/xfa/fwl/cfwl_pushbutton.cpp
@@ -0,0 +1,291 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/cfwl_pushbutton.h"
+
+#include <memory>
+#include <utility>
+
+#include "third_party/base/ptr_util.h"
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/cfwl_event.h"
+#include "xfa/fwl/cfwl_eventmouse.h"
+#include "xfa/fwl/cfwl_messagekey.h"
+#include "xfa/fwl/cfwl_messagemouse.h"
+#include "xfa/fwl/cfwl_notedriver.h"
+#include "xfa/fwl/cfwl_themebackground.h"
+#include "xfa/fwl/cfwl_themetext.h"
+#include "xfa/fwl/ifwl_themeprovider.h"
+
+CFWL_PushButton::CFWL_PushButton(const CFWL_App* app)
+ : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr),
+ m_bBtnDown(false),
+ m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
+ m_iTTOAlign(FDE_TTOALIGNMENT_Center) {
+ m_rtClient.Set(0, 0, 0, 0);
+ m_rtCaption.Set(0, 0, 0, 0);
+}
+
+CFWL_PushButton::~CFWL_PushButton() {}
+
+FWL_Type CFWL_PushButton::GetClassID() const {
+ return FWL_Type::PushButton;
+}
+
+void CFWL_PushButton::SetStates(uint32_t dwStates) {
+ if (dwStates & FWL_WGTSTATE_Disabled) {
+ m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled;
+ return;
+ }
+ CFWL_Widget::SetStates(dwStates);
+}
+
+void CFWL_PushButton::Update() {
+ if (IsLocked())
+ return;
+ if (!m_pProperties->m_pThemeProvider)
+ m_pProperties->m_pThemeProvider = GetAvailableTheme();
+
+ UpdateTextOutStyles();
+ GetClientRect(m_rtClient);
+ m_rtCaption = m_rtClient;
+ FX_FLOAT* fcaption =
+ static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin));
+ m_rtCaption.Inflate(-*fcaption, -*fcaption);
+}
+
+void CFWL_PushButton::DrawWidget(CFX_Graphics* pGraphics,
+ const CFX_Matrix* pMatrix) {
+ if (!pGraphics)
+ return;
+ if (!m_pProperties->m_pThemeProvider)
+ return;
+
+ if (HasBorder()) {
+ DrawBorder(pGraphics, CFWL_Part::Border, m_pProperties->m_pThemeProvider,
+ pMatrix);
+ }
+ if (HasEdge()) {
+ DrawEdge(pGraphics, CFWL_Part::Edge, m_pProperties->m_pThemeProvider,
+ pMatrix);
+ }
+ DrawBkground(pGraphics, m_pProperties->m_pThemeProvider, pMatrix);
+}
+
+void CFWL_PushButton::DrawBkground(CFX_Graphics* pGraphics,
+ IFWL_ThemeProvider* pTheme,
+ const CFX_Matrix* pMatrix) {
+ CFWL_ThemeBackground param;
+ param.m_pWidget = this;
+ param.m_iPart = CFWL_Part::Background;
+ param.m_dwStates = GetPartStates();
+ param.m_pGraphics = pGraphics;
+ if (pMatrix)
+ param.m_matrix.Concat(*pMatrix);
+ param.m_rtPart = m_rtClient;
+ if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
+ param.m_pData = &m_rtCaption;
+ pTheme->DrawBackground(&param);
+}
+
+uint32_t CFWL_PushButton::GetPartStates() {
+ uint32_t dwStates = CFWL_PartState_Normal;
+ if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
+ dwStates |= CFWL_PartState_Focused;
+ if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+ dwStates = CFWL_PartState_Disabled;
+ else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed)
+ dwStates |= CFWL_PartState_Pressed;
+ else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered)
+ dwStates |= CFWL_PartState_Hovered;
+ else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Default)
+ dwStates |= CFWL_PartState_Default;
+ return dwStates;
+}
+
+void CFWL_PushButton::UpdateTextOutStyles() {
+ switch (m_pProperties->m_dwStyleExes &
+ (FWL_STYLEEXT_PSB_HLayoutMask | FWL_STYLEEXT_PSB_VLayoutMask)) {
+ case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Top: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Top: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Top: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_TopRight;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_VCenter: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_VCenter: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_CenterRight;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Bottom: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_BottomLeft;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Bottom: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_BottomCenter;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Bottom: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_BottomRight;
+ break;
+ }
+ case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_VCenter:
+ default: {
+ m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+ break;
+ }
+ }
+ m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+ if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading)
+ m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
+}
+
+void CFWL_PushButton::OnProcessMessage(CFWL_Message* pMessage) {
+ if (!pMessage)
+ return;
+ if (!IsEnabled())
+ return;
+
+ switch (pMessage->GetType()) {
+ case CFWL_Message::Type::SetFocus:
+ OnFocusChanged(pMessage, true);
+ break;
+ case CFWL_Message::Type::KillFocus:
+ OnFocusChanged(pMessage, false);
+ break;
+ case CFWL_Message::Type::Mouse: {
+ CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage);
+ switch (pMsg->m_dwCmd) {
+ case FWL_MouseCommand::LeftButtonDown:
+ OnLButtonDown(pMsg);
+ break;
+ case FWL_MouseCommand::LeftButtonUp:
+ OnLButtonUp(pMsg);
+ break;
+ case FWL_MouseCommand::Move:
+ OnMouseMove(pMsg);
+ break;
+ case FWL_MouseCommand::Leave:
+ OnMouseLeave(pMsg);
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ case CFWL_Message::Type::Key: {
+ CFWL_MessageKey* pKey = static_cast<CFWL_MessageKey*>(pMessage);
+ if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown)
+ OnKeyDown(pKey);
+ break;
+ }
+ default:
+ break;
+ }
+ CFWL_Widget::OnProcessMessage(pMessage);
+}
+
+void CFWL_PushButton::OnDrawWidget(CFX_Graphics* pGraphics,
+ const CFX_Matrix* pMatrix) {
+ DrawWidget(pGraphics, pMatrix);
+}
+
+void CFWL_PushButton::OnFocusChanged(CFWL_Message* pMsg, bool bSet) {
+ if (bSet)
+ m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+ else
+ m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+
+ Repaint(&m_rtClient);
+}
+
+void CFWL_PushButton::OnLButtonDown(CFWL_MessageMouse* pMsg) {
+ if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
+ SetFocus(true);
+
+ m_bBtnDown = true;
+ m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+ m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed;
+ Repaint(&m_rtClient);
+}
+
+void CFWL_PushButton::OnLButtonUp(CFWL_MessageMouse* pMsg) {
+ m_bBtnDown = false;
+ if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+ m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+ m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+ } else {
+ m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
+ m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+ }
+ if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+ CFWL_Event wmClick(CFWL_Event::Type::Click, this);
+ DispatchEvent(&wmClick);
+ }
+ Repaint(&m_rtClient);
+}
+
+void CFWL_PushButton::OnMouseMove(CFWL_MessageMouse* pMsg) {
+ bool bRepaint = false;
+ if (m_bBtnDown) {
+ if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+ if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) == 0) {
+ m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed;
+ bRepaint = true;
+ }
+ if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) {
+ m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
+ bRepaint = true;
+ }
+ } else {
+ if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) {
+ m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+ bRepaint = true;
+ }
+ if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) {
+ m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+ bRepaint = true;
+ }
+ }
+ } else {
+ if (!m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy))
+ return;
+ if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) {
+ m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+ bRepaint = true;
+ }
+ }
+ if (bRepaint)
+ Repaint(&m_rtClient);
+}
+
+void CFWL_PushButton::OnMouseLeave(CFWL_MessageMouse* pMsg) {
+ m_bBtnDown = false;
+ m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
+ m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+ Repaint(&m_rtClient);
+}
+
+void CFWL_PushButton::OnKeyDown(CFWL_MessageKey* pMsg) {
+ if (pMsg->m_dwKeyCode != FWL_VKEY_Return)
+ return;
+
+ CFWL_EventMouse wmMouse(this);
+ wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp;
+ DispatchEvent(&wmMouse);
+
+ CFWL_Event wmClick(CFWL_Event::Type::Click, this);
+ DispatchEvent(&wmClick);
+}
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