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comparison foosdk/sdk/libPPUI/CEditWithButtons.cpp @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #include "stdafx.h"
2 #include "CEditWithButtons.h"
3
4
5 void CEditWithButtons::AddMoreButton(std::function<void()> f) {
6 AddButton(L"more", f, nullptr, L"\x2026");
7 }
8 void CEditWithButtons::AddClearButton(const wchar_t * clearVal, bool bHandleEsc) {
9 std::wstring clearValCopy(clearVal);
10 auto handler = [this, clearValCopy] {
11 this->SetWindowText(clearValCopy.c_str());
12 };
13 auto condition = [clearValCopy](const wchar_t * txt) -> bool {
14 return clearValCopy != txt;
15 };
16 // Present "clear" to accessibility APIs but actually draw a multiplication x sign
17 AddButton(L"clear", handler, condition, L"\x00D7");
18
19 if (bHandleEsc) {
20 this->onEscKey = handler;
21 }
22
23 }
24
25 void CEditWithButtons::AddButton(const wchar_t * str, handler_t handler, condition_t condition, const wchar_t * drawAlternateText) {
26 PFC_ASSERT(GetStyle() & WS_CLIPCHILDREN);
27 Button_t btn;
28 btn.handler = handler;
29 btn.title = str;
30 btn.condition = condition;
31 btn.visible = EvalCondition(btn, nullptr);
32
33 if (drawAlternateText != nullptr) {
34 btn.titleDraw = drawAlternateText;
35 }
36
37 m_buttons.push_back(std::move(btn));
38 RefreshButtons();
39 }
40
41 CRect CEditWithButtons::RectOfButton(const wchar_t * text) {
42 for (auto i = m_buttons.begin(); i != m_buttons.end(); ++i) {
43 if (i->title == text && i->wnd != NULL) {
44 CRect rc;
45 if (i->wnd.GetWindowRect(rc)) return rc;
46 }
47 }
48 return CRect();
49 }
50
51 void CEditWithButtons::TabCycleButtons(HWND wnd) {
52 for (auto i = m_buttons.begin(); i != m_buttons.end(); ++i) {
53 if (i->wnd == wnd) {
54 if (IsShiftPressed()) {
55 // back
56 for (;; ) {
57 if (i == m_buttons.begin()) {
58 TabFocusThis(m_hWnd); break;
59 } else {
60 --i;
61 if (i->visible) {
62 TabFocusThis(i->wnd);
63 break;
64 }
65 }
66 }
67 } else {
68 // forward
69 for (;; ) {
70 ++i;
71 if (i == m_buttons.end()) {
72 TabFocusThis(m_hWnd);
73 TabFocusPrevNext(false);
74 break;
75 } else {
76 if (i->visible) {
77 TabFocusThis(i->wnd);
78 break;
79 }
80 }
81 }
82 }
83
84 return;
85 }
86 }
87 }
88
89
90 bool CEditWithButtons::ButtonWantTab(HWND wnd) {
91 if (IsShiftPressed()) return true;
92 if (m_buttons.size() == 0) return false; // should not be possible
93 auto last = m_buttons.rbegin();
94 if (wnd == last->wnd) return false; // not for last button
95 return true;
96 }
97 bool CEditWithButtons::EvalCondition(Button_t & btn, const wchar_t * newText) {
98 if (!btn.condition) return true;
99 if (newText != nullptr) return btn.condition(newText);
100 TCHAR text[256] = {};
101 GetWindowText(text, 256);
102 text[255] = 0;
103 return btn.condition(text);
104 }
105 void CEditWithButtons::RefreshConditions(const wchar_t * newText) {
106 bool changed = false;
107 for (auto i = m_buttons.begin(); i != m_buttons.end(); ++i) {
108 bool status = EvalCondition(*i, newText);
109 if (status != i->visible) {
110 i->visible = status; changed = true;
111 }
112 }
113 if (changed) {
114 Layout();
115 }
116 }
117
118 void CEditWithButtons::Layout(CSize size, CFontHandle fontSetMe) {
119 if (m_buttons.size() == 0) return;
120
121 int walk = size.cx;
122
123 HDWP dwp = BeginDeferWindowPos((int)m_buttons.size());
124 for (auto iter = m_buttons.rbegin(); iter != m_buttons.rend(); ++iter) {
125 if (!iter->visible) {
126 if (::GetFocus() == iter->wnd) {
127 this->SetFocus();
128 }
129 ::DeferWindowPos(dwp, iter->wnd, NULL, 0, 0, 0, 0, SWP_NOZORDER | SWP_HIDEWINDOW | SWP_NOMOVE | SWP_NOSIZE | SWP_NOCOPYBITS);
130 continue;
131 }
132
133 if (iter->wnd == NULL) {
134 auto* b = &iter->wnd;
135 b->Create(*this, NULL, iter->title.c_str());
136 if (iter->titleDraw.length() > 0) b->DrawAlternateText(iter->titleDraw.c_str());
137 CFontHandle font = fontSetMe;
138 if (font == NULL) font = GetFont();
139 b->SetFont(font);
140 b->ClickHandler = iter->handler;
141 b->CtlColorHandler = [=](CDCHandle dc) -> HBRUSH {
142 return this->OnColorBtn(dc, NULL);
143 };
144 b->TabCycleHandler = [=](HWND wnd) {
145 TabCycleButtons(wnd);
146 };
147 b->WantTabCheck = [=](HWND wnd) -> bool {
148 return ButtonWantTab(wnd);
149 };
150 if (!IsWindowEnabled()) b->EnableWindow(FALSE);
151 } else if (fontSetMe) {
152 iter->wnd.SetFont(fontSetMe);
153 }
154
155 unsigned delta = MeasureButton(*iter);
156 int left = walk - delta;
157
158 if (iter->wnd != NULL) {
159 CRect rc;
160 rc.top = 0;
161 rc.bottom = size.cy;
162 rc.left = left;
163 rc.right = walk;
164 ::DeferWindowPos(dwp, iter->wnd, NULL, rc.left, rc.top, rc.Width(), rc.Height(), SWP_NOZORDER | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
165 }
166
167 walk = left;
168 }
169 EndDeferWindowPos(dwp);
170 this->SetMargins(0, size.cx - walk, EC_RIGHTMARGIN);
171 }
172
173 unsigned CEditWithButtons::MeasureButton(Button_t const & button) {
174 if (m_fixedWidthAuto && m_fixedWidth == 0) {
175 CWindowDC dc(*this);
176 SelectObjectScope fontScope(dc, GetFont());
177 SIZE sz = {};
178 WIN32_OP_D( dc.GetTextExtent(L"#", 1, &sz) );
179 m_fixedWidth = MulDiv(sz.cx, 3, 2);
180 }
181 if (m_fixedWidth != 0) return m_fixedWidth;
182
183 return button.wnd.Measure();
184 }
185
186 void CEditWithButtons::OnSetFont(CFontHandle font, BOOL bRedraw) {
187 (void)bRedraw;
188
189 if ( m_fixedWidthAuto ) m_fixedWidth = 0; // require re-calculation
190
191 DefWindowProc();
192 CRect rc;
193 if (GetClientRect(&rc)) {
194 Layout(rc.Size(), font);
195 }
196 }