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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 "status_bar.h"
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| }
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| static const D2D1_COLOR_F C_BG = { 0.118f, 0.294f, 0.510f, 1.0f };
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| static const D2D1_COLOR_F C_TEXT = { 1.000f, 1.000f, 1.000f, 1.0f };
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| struct StatusBar {
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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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| wchar_t file_name[MAX_PATH];
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| bool dirty;
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| int line, col;
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| wchar_t message[256];
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| wchar_t branch[128];
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| };
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| extern "C" SovResult status_bar_create(StatusBar **out, HWND hwnd) {
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| StatusBar *sb = (StatusBar *)calloc(1, sizeof(StatusBar));
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| if (!sb) return SOV_ERR_ALLOC;
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| sb->hwnd = hwnd;
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| sb->line = 1; sb->col = 1;
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| D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &sb->d2d);
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| DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory),
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| reinterpret_cast<IUnknown**>(&sb->dw));
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| sb->dw->CreateTextFormat(L"Segoe UI", nullptr,
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| DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL,
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| 11.0f, L"en-us", &sb->fmt);
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| RECT rc; GetClientRect(hwnd, &rc);
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| sb->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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| &sb->rt);
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| if (sb->rt) {
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| sb->rt->CreateSolidColorBrush(C_BG, &sb->br_bg);
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| sb->rt->CreateSolidColorBrush(C_TEXT, &sb->br_text);
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| }
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| *out = sb;
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| return SOV_OK;
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| }
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| extern "C" void status_bar_destroy(StatusBar *sb) {
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| if (!sb) return;
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| if (sb->br_bg) sb->br_bg->Release();
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| if (sb->br_text) sb->br_text->Release();
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| if (sb->fmt) sb->fmt->Release();
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| if (sb->rt) sb->rt->Release();
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| if (sb->d2d) sb->d2d->Release();
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| if (sb->dw) sb->dw->Release();
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| free(sb);
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| }
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| extern "C" void status_bar_set_file(StatusBar *sb, const wchar_t *name, bool dirty) {
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| wcscpy_s(sb->file_name, MAX_PATH, name ? name : L"untitled");
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| sb->dirty = dirty;
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| InvalidateRect(sb->hwnd, NULL, FALSE);
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| }
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| extern "C" void status_bar_set_pos(StatusBar *sb, int line, int col) {
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| sb->line = line; sb->col = col;
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| InvalidateRect(sb->hwnd, NULL, FALSE);
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| }
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| extern "C" void status_bar_set_message(StatusBar *sb, const wchar_t *msg) {
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| wcscpy_s(sb->message, 256, msg ? msg : L"");
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| InvalidateRect(sb->hwnd, NULL, FALSE);
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| }
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| extern "C" void status_bar_set_branch(StatusBar *sb, const wchar_t *branch) {
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| wcscpy_s(sb->branch, 128, branch ? branch : L"");
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| InvalidateRect(sb->hwnd, NULL, FALSE);
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| }
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| extern "C" void status_bar_resize(StatusBar *sb, int w, int h) {
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| if (sb->rt) sb->rt->Resize(D2D1::SizeU((UINT32)w, (UINT32)h));
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| }
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| extern "C" void status_bar_paint(StatusBar *sb) {
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| if (!sb->rt && sb->d2d) {
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| RECT rc; GetClientRect(sb->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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| sb->d2d->CreateHwndRenderTarget(D2D1::RenderTargetProperties(),
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| D2D1::HwndRenderTargetProperties(sb->hwnd, D2D1::SizeU(W, H)), &sb->rt);
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| if (sb->rt) {
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| sb->rt->CreateSolidColorBrush(C_BG, &sb->br_bg);
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| sb->rt->CreateSolidColorBrush(C_TEXT, &sb->br_text);
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| }
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| }
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| if (!sb->rt) return;
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| sb->rt->BeginDraw();
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| sb->rt->Clear(&C_BG);
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| RECT rc; GetClientRect(sb->hwnd, &rc);
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| float H = (float)(rc.bottom - rc.top);
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| float y = 4.0f;
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| if (sb->branch[0]) {
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| wchar_t buf[160];
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| swprintf_s(buf, 160, L" ⎇ %s", sb->branch);
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| D2D1_RECT_F r = D2D1::RectF(0, y, 200.0f, H);
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| sb->rt->DrawText(buf, (UINT32)wcslen(buf), sb->fmt, r, sb->br_text);
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| }
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|
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| {
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| wchar_t buf[MAX_PATH + 4];
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| swprintf_s(buf, MAX_PATH + 4, L"%s%s", sb->dirty ? L"● " : L"", sb->file_name);
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| float W = (float)rc.right;
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| D2D1_RECT_F r = D2D1::RectF(W / 2.0f - 200.0f, y, W / 2.0f + 200.0f, H);
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| sb->fmt->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_CENTER);
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| sb->rt->DrawText(buf, (UINT32)wcslen(buf), sb->fmt, r, sb->br_text);
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| sb->fmt->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_LEADING);
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| }
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| {
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| wchar_t buf[300];
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| swprintf_s(buf, 300, L"Ln %d, Col %d %s ", sb->line, sb->col, sb->message);
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| float W = (float)rc.right;
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| D2D1_RECT_F r = D2D1::RectF(W - 320.0f, y, W, H);
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| sb->fmt->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_TRAILING);
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| sb->rt->DrawText(buf, (UINT32)wcslen(buf), sb->fmt, r, sb->br_text);
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| sb->fmt->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_LEADING);
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| }
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| sb->rt->EndDraw(nullptr, nullptr);
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| }
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