From f7762daa92f584c34af1a1dcbe8ff400eb9921a0 Mon Sep 17 00:00:00 2001 From: RadAd Date: Mon, 27 May 2019 12:40:09 +1000 Subject: Support scrollbar --- RadTerminal.cpp | 126 +++++++++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 116 insertions(+), 10 deletions(-) (limited to 'RadTerminal.cpp') diff --git a/RadTerminal.cpp b/RadTerminal.cpp index 319552c..2e6e2c7 100644 --- a/RadTerminal.cpp +++ b/RadTerminal.cpp @@ -10,7 +10,8 @@ // TODO // https://stackoverflow.com/questions/5966903/how-to-get-mousemove-and-mouseclick-in-bash // default settings -// scrollbar +// keyboard select mode +// specify an icon on command line // remove polling // unicode/emoji // drop files @@ -18,7 +19,13 @@ // flash window on updates // dynamically change font // transparency -// check for monospace font +// hide scrollbar if scrollback not enabled +// support bel +// support +// ESC [ ? 12 h ATT160 Text Cursor Enable Blinking +// ESC [ ? 12 l ATT160 Text Cursor Enable Blinking +// ESC ] 4 ; ; rgb : / / ESC Modify Screen Colors +// See https://docs.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences #ifdef _UNICODE #define tstring wstring @@ -37,7 +44,7 @@ bool MemEqual(const T& a, const T& b) void ShowError(HWND hWnd, LPCTSTR msg, HRESULT hr) { TCHAR fullmsg[1024]; - _stprintf_s(fullmsg, _T("%s: 0x%x"), msg, hr); + _stprintf_s(fullmsg, _T("%s: 0x%08x"), msg, hr); MessageBox(hWnd, fullmsg, PROJ_NAME, MB_ICONERROR); } @@ -54,6 +61,12 @@ void ShowError(HWND hWnd, LPCTSTR msg, HRESULT hr) ShowError(hWnd, _T(#x), HRESULT_FROM_WIN32(GetLastError())); \ } +#define VERIFY(x) \ + if (!(x)) \ + { \ + ShowError(hWnd, _T(#x), 0); \ + } + LRESULT CALLBACK RadTerminalWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); struct RadTerminalCreate @@ -123,7 +136,7 @@ int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE, PTSTR pCmdLine, int nCmdSho 0, MAKEINTATOM(atom), PROJ_NAME, - WS_OVERLAPPEDWINDOW, + WS_OVERLAPPEDWINDOW | WS_VSCROLL, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, // Parent window NULL, // Menu @@ -242,7 +255,6 @@ static size_t ucs4_to_utf16(uint32_t wc, wchar_t *wbuf) } } - int tsm_screen_draw(struct tsm_screen *con, uint64_t id, const uint32_t *ch, @@ -363,6 +375,37 @@ void DrawCursor(HDC hdc, const RadTerminalData* const data) } } +void FixScrollbar(HWND hWnd) +{ + const RadTerminalData* const data = (RadTerminalData*) GetWindowLongPtr(hWnd, GWLP_USERDATA); + const unsigned int flags = tsm_screen_get_flags(data->screen); + + SCROLLINFO si = {}; + si.cbSize = sizeof(si); + si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS | SIF_DISABLENOSCROLL; + si.nPage = tsm_screen_get_height(data->screen); + if (!(flags & TSM_SCREEN_ALTERNATE)) + { + si.nMax = si.nPage + tsm_screen_sb_count(data->screen) - 1; + si.nPos = si.nMax - si.nPage - tsm_screen_sb_depth(data->screen) + 1; + } + else + { + si.nMax = si.nPage - 1; + si.nPos = si.nMax - si.nPage + 1; + } + SetScrollInfo(hWnd, SB_VERT, &si, TRUE); +} + +BOOL CheckScrollBar(HWND hWnd) +{ + const RadTerminalData* const data = (RadTerminalData*) GetWindowLongPtr(hWnd, GWLP_USERDATA); + int nPage = tsm_screen_get_height(data->screen); + int nMax = nPage + tsm_screen_sb_count(data->screen) - 1; + int nPos = nMax - nPage - tsm_screen_sb_depth(data->screen) + 1; + return GetScrollPos(hWnd, SB_VERT) == nPos; +} + int ActionCopyToClipboard(HWND hWnd) { const RadTerminalData* const data = (RadTerminalData*) GetWindowLongPtr(hWnd, GWLP_USERDATA); @@ -469,6 +512,10 @@ int ActionScrollbackUp(HWND hWnd) if (!(flags & TSM_SCREEN_ALTERNATE)) { tsm_screen_sb_up(data->screen, 1); + int sp = GetScrollPos(hWnd, SB_VERT); + sp -= 1; + SetScrollPos(hWnd, SB_VERT, sp, TRUE); + VERIFY(CheckScrollBar(hWnd)); InvalidateRect(hWnd, nullptr, TRUE); } return 0; @@ -481,6 +528,10 @@ int ActionScrollbackDown(HWND hWnd) if (!(flags & TSM_SCREEN_ALTERNATE)) { tsm_screen_sb_down(data->screen, 1); + int sp = GetScrollPos(hWnd, SB_VERT); + sp += 1; + SetScrollPos(hWnd, SB_VERT, sp, TRUE); + VERIFY(CheckScrollBar(hWnd)); InvalidateRect(hWnd, nullptr, TRUE); } return 0; @@ -524,11 +575,15 @@ BOOL RadTerminalWindowOnCreate(HWND hWnd, LPCREATESTRUCT lpCreateStruct) HDC hdc = GetDC(hWnd); SelectFont(hdc, data->draw_info.hFonts[0][0][0]); GetTextMetrics(hdc, &data->draw_info.tm); + VERIFY(!(data->draw_info.tm.tmPitchAndFamily & TMPF_FIXED_PITCH)); ReleaseDC(hWnd, hdc); RECT r = Rect({ 0, 0 }, GetScreenPos(&data->draw_info, rtc->szCon)); const DWORD style = GetWindowStyle(hWnd); - CHECK(AdjustWindowRect(&r, style, FALSE), FALSE); + const DWORD exstyle = GetWindowExStyle(hWnd); + if (style & WS_VSCROLL) + r.right += GetSystemMetrics(SM_CXVSCROLL); + CHECK(AdjustWindowRectEx(&r, style, FALSE, exstyle), FALSE); CHECK(SetWindowPos(hWnd, 0, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOMOVE | SWP_NOZORDER), FALSE); HICON hIconLarge = NULL, hIconSmall = NULL; @@ -593,7 +648,6 @@ void RadTerminalWindowOnPaint(HWND hWnd) void RadTerminalWindowOnKeyDown(HWND hWnd, UINT vk, BOOL fDown, int cRepeat, UINT flags) { const RadTerminalData* const data = (RadTerminalData*) GetWindowLongPtr(hWnd, GWLP_USERDATA); - //uint32_t ascii = MapVirtualKeyA(vk, MAPVK_VK_TO_CHAR); BYTE KeyState[256]; GetKeyboardState(KeyState); @@ -602,6 +656,7 @@ void RadTerminalWindowOnKeyDown(HWND hWnd, UINT vk, BOOL fDown, int cRepeat, UIN { case VK_ESCAPE: bPassOn = ActionClearSelection(hWnd) < 0; break; case VK_RETURN: bPassOn = ActionCopyToClipboard(hWnd) < 0; break; + case 'C': if (KeyState[VK_CONTROL] & 0x80) bPassOn = ActionCopyToClipboard(hWnd) < 0; break; case 'V': if (KeyState[VK_CONTROL] & 0x80) bPassOn = ActionPasteFromClipboard(hWnd) < 0; break; case VK_UP: if (KeyState[VK_CONTROL] & 0x80) bPassOn = ActionScrollbackUp(hWnd) < 0; break; case VK_DOWN: if (KeyState[VK_CONTROL] & 0x80) bPassOn = ActionScrollbackDown(hWnd) < 0; break; @@ -843,7 +898,10 @@ void RadTerminalWindowOnTimer(HWND hWnd, UINT id) case 1: { if (tsm_vte_read(data->vte, data->spd.hOutput)) + { + FixScrollbar(hWnd); InvalidateRect(hWnd, nullptr, TRUE); + } DWORD exitcode = 0; if (GetExitCodeProcess(data->spd.pi.hProcess, &exitcode) && exitcode != STILL_ACTIVE) @@ -876,6 +934,8 @@ void RadTerminalWindowOnSize(HWND hWnd, UINT state, int cx, int cy) COORD size = { (SHORT) (cx / sz.cx), (SHORT) (cy / sz.cy) }; int e = tsm_screen_resize(data->screen, size.X, size.Y); ResizePseudoConsole(data->spd.hPC, size); + + FixScrollbar(hWnd); } } @@ -883,7 +943,10 @@ void RadTerminalWindowOnSizing(HWND hWnd, UINT edge, LPRECT prRect) { const RadTerminalData* const data = (RadTerminalData*) GetWindowLongPtr(hWnd, GWLP_USERDATA); const DWORD style = GetWindowStyle(hWnd); - UnadjustWindowRect(prRect, style, FALSE); + const DWORD exstyle = GetWindowExStyle(hWnd); + CHECK_ONLY(UnadjustWindowRectEx(prRect, style, FALSE, exstyle)); + if (style & WS_VSCROLL) + prRect->right -= GetSystemMetrics(SM_CXVSCROLL); SIZE sz = GetCellSize(&data->draw_info); COORD size = { (SHORT) ((prRect->right - prRect->left) / sz.cx), (SHORT) ((prRect->bottom - prRect->top) / sz.cy) }; @@ -909,7 +972,10 @@ void RadTerminalWindowOnSizing(HWND hWnd, UINT edge, LPRECT prRect) break; } - AdjustWindowRect(prRect, style, FALSE); + if (style & WS_VSCROLL) + prRect->right += GetSystemMetrics(SM_CXVSCROLL); + CHECK_ONLY(AdjustWindowRectEx(prRect, style, FALSE, exstyle)); + //prRect->right += 100; } void RadTerminalWindowOnActivate(HWND hWnd, UINT state, HWND hwndActDeact, BOOL fMinimized) @@ -918,6 +984,46 @@ void RadTerminalWindowOnActivate(HWND hWnd, UINT state, HWND hwndActDeact, BOOL InvalidateRect(hWnd, nullptr, TRUE); } +void RadTerminalWindowOnVScroll(HWND hWnd, HWND hWndCtl, UINT code, int pos) +{ + const RadTerminalData* const data = (RadTerminalData*) GetWindowLongPtr(hWnd, GWLP_USERDATA); + const int op = GetScrollPos(hWnd, SB_VERT); + int d = 0; + switch (code) + { + case SB_LINEUP: + d -= 1; + break; + + case SB_LINEDOWN: + d += 1; + break; + + case SB_PAGEUP: + d -= tsm_screen_get_height(data->screen) - 1; + break; + + case SB_PAGEDOWN: + d += tsm_screen_get_height(data->screen) - 1; + break; + + case SB_THUMBTRACK: + d = pos - (tsm_screen_sb_count(data->screen) - tsm_screen_sb_depth(data->screen)); + break; + } + + if (d != 0) + { + if (d < 0) + tsm_screen_sb_up(data->screen, -d); + else + tsm_screen_sb_down(data->screen, d); + InvalidateRect(hWnd, nullptr, TRUE); + SetScrollPos(hWnd, SB_VERT, op + d, TRUE); + VERIFY(CheckScrollBar(hWnd)); + } +} + /* void Cls_OnSizing(HWND hwnd, UINT edge, LPRECT prRect) */ #define HANDLE_WM_SIZING(hwnd, wParam, lParam, fn) \ ((fn)((hwnd), (UINT)(wParam), (LPRECT)lParam), TRUE) @@ -939,7 +1045,7 @@ LRESULT CALLBACK RadTerminalWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPAR HANDLE_MSG(hWnd, WM_SIZE, RadTerminalWindowOnSize); HANDLE_MSG(hWnd, WM_SIZING, RadTerminalWindowOnSizing); HANDLE_MSG(hWnd, WM_ACTIVATE, RadTerminalWindowOnActivate); - //case (WM_KEYDOWN): HANDLE_WM_KEYDOWN((hWnd), (wParam), (lParam), (RadTerminalWindowOnKeyDown)); return 1; + HANDLE_MSG(hWnd, WM_VSCROLL, RadTerminalWindowOnVScroll); //HANDLE_MSG(hWnd, WM_CHAR, RadTerminalWindowOnChar); default: return DefWindowProc(hWnd, uMsg, wParam, lParam); } -- cgit v1.2.3