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| #include <windows.h>
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| #include <d2d1.h>
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| #include <dwrite.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #include <wchar.h>
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|
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| extern "C" {
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| #include "output_panel.h"
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| }
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| #define MAX_LINES 4096
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| #define MAX_LINE_W 2048
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| #define ROW_H 16.0f
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|
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| static const D2D1_COLOR_F C_BG = { 0.071f, 0.071f, 0.086f, 1.0f };
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| static const D2D1_COLOR_F C_TEXT = { 0.780f, 0.780f, 0.780f, 1.0f };
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| static const D2D1_COLOR_F C_ERR = { 1.000f, 0.400f, 0.400f, 1.0f };
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| static const D2D1_COLOR_F C_WARN = { 1.000f, 0.820f, 0.400f, 1.0f };
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|
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| struct OutputPanel {
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| HWND hwnd;
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| ID2D1Factory *d2d;
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| ID2D1HwndRenderTarget *rt;
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| IDWriteFactory *dw;
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| IDWriteTextFormat *fmt;
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| ID2D1SolidColorBrush *br_bg;
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| ID2D1SolidColorBrush *br_text;
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| ID2D1SolidColorBrush *br_err;
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| ID2D1SolidColorBrush *br_warn;
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|
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| wchar_t lines[MAX_LINES][MAX_LINE_W];
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| int line_count;
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| int scroll_top;
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| };
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| extern "C" SovResult output_panel_create(OutputPanel **out, HWND hwnd) {
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| OutputPanel *op = (OutputPanel *)calloc(1, sizeof(OutputPanel));
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| if (!op) return SOV_ERR_ALLOC;
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| op->hwnd = hwnd;
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| D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &op->d2d);
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| DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory),
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| reinterpret_cast<IUnknown**>(&op->dw));
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| op->dw->CreateTextFormat(L"Consolas", nullptr,
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| DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL,
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| 12.0f, L"en-us", &op->fmt);
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| op->fmt->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
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|
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| RECT rc; GetClientRect(hwnd, &rc);
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| op->d2d->CreateHwndRenderTarget(
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| D2D1::RenderTargetProperties(),
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| D2D1::HwndRenderTargetProperties(hwnd,
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| D2D1::SizeU(rc.right - rc.left, rc.bottom - rc.top)),
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| &op->rt);
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| if (op->rt) {
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| op->rt->CreateSolidColorBrush(C_BG, &op->br_bg);
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| op->rt->CreateSolidColorBrush(C_TEXT, &op->br_text);
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| op->rt->CreateSolidColorBrush(C_ERR, &op->br_err);
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| op->rt->CreateSolidColorBrush(C_WARN, &op->br_warn);
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| }
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| *out = op;
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| return SOV_OK;
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| }
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|
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| extern "C" void output_panel_destroy(OutputPanel *op) {
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| if (!op) return;
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| if (op->br_bg) op->br_bg->Release();
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| if (op->br_text) op->br_text->Release();
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| if (op->br_err) op->br_err->Release();
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| if (op->br_warn) op->br_warn->Release();
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| if (op->fmt) op->fmt->Release();
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| if (op->rt) op->rt->Release();
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| if (op->d2d) op->d2d->Release();
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| if (op->dw) op->dw->Release();
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| free(op);
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| }
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|
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| extern "C" void output_panel_append(OutputPanel *op, const wchar_t *text) {
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| const wchar_t *p = text;
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| while (*p) {
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| if (op->line_count >= MAX_LINES) {
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| memmove(op->lines[0], op->lines[1], (MAX_LINES - 1) * MAX_LINE_W * sizeof(wchar_t));
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| op->line_count = MAX_LINES - 1;
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| }
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| const wchar_t *nl = wcschr(p, L'\n');
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| size_t chunk = nl ? (size_t)(nl - p) : wcslen(p);
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| if (chunk >= MAX_LINE_W) chunk = MAX_LINE_W - 1;
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| wcsncpy_s(op->lines[op->line_count], MAX_LINE_W, p, chunk);
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| op->line_count++;
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| if (!nl) break;
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| p = nl + 1;
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| }
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| op->scroll_top = op->line_count;
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| InvalidateRect(op->hwnd, NULL, FALSE);
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| }
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|
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| extern "C" void output_panel_clear(OutputPanel *op) {
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| op->line_count = 0;
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| op->scroll_top = 0;
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| InvalidateRect(op->hwnd, NULL, FALSE);
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| }
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|
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| extern "C" void output_panel_scroll(OutputPanel *op, int delta) {
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| op->scroll_top -= delta;
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| if (op->scroll_top < 0) op->scroll_top = 0;
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| if (op->scroll_top > op->line_count) op->scroll_top = op->line_count;
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| InvalidateRect(op->hwnd, NULL, FALSE);
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| }
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|
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| extern "C" void output_panel_resize(OutputPanel *op, int w, int h) {
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| if (op->rt) op->rt->Resize(D2D1::SizeU((UINT32)w, (UINT32)h));
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| }
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| extern "C" void output_panel_paint(OutputPanel *op) {
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| if (!op->rt && op->d2d) {
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| RECT rc; GetClientRect(op->hwnd, &rc);
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| UINT W = rc.right > rc.left ? (UINT)(rc.right - rc.left) : 1;
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| UINT H = rc.bottom > rc.top ? (UINT)(rc.bottom - rc.top) : 1;
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| op->d2d->CreateHwndRenderTarget(D2D1::RenderTargetProperties(),
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| D2D1::HwndRenderTargetProperties(op->hwnd, D2D1::SizeU(W, H)), &op->rt);
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| if (op->rt) {
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| op->rt->CreateSolidColorBrush(C_BG, &op->br_bg);
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| op->rt->CreateSolidColorBrush(C_TEXT, &op->br_text);
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| op->rt->CreateSolidColorBrush(C_ERR, &op->br_err);
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| op->rt->CreateSolidColorBrush(C_WARN, &op->br_warn);
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| }
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| }
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| if (!op->rt) return;
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| op->rt->BeginDraw();
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| op->rt->Clear(&C_BG);
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|
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| RECT rc; GetClientRect(op->hwnd, &rc);
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| int visible = (int)((rc.bottom - rc.top) / ROW_H) + 1;
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| int first = op->scroll_top - visible;
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| if (first < 0) first = 0;
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| for (int i = first; i < op->line_count && i < first + visible; i++) {
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| float y = (float)(i - first) * ROW_H;
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| const wchar_t *line = op->lines[i];
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| UINT32 len = (UINT32)wcslen(line);
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| if (len == 0) continue;
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|
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| ID2D1SolidColorBrush *br = op->br_text;
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| if (wcsstr(line, L"error") || wcsstr(line, L"Error")) br = op->br_err;
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| if (wcsstr(line, L"warning") || wcsstr(line, L"Warning")) br = op->br_warn;
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| D2D1_RECT_F r = D2D1::RectF(4.0f, y, (float)rc.right - 4.0f, y + ROW_H);
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| op->rt->DrawText(line, len, op->fmt, r, br);
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| }
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| op->rt->EndDraw(nullptr, nullptr);
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| }
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