egutierrez
4a95407d0e
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(Linux no-op via GL_GLEXT_PROTOTYPES, Windows wglGetProcAddress)
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- CMakeLists: WIN32_EXECUTABLE para lanzar sin consola en Windows
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
#include "kpi_card.h"
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#include "sparkline.h"
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#include "core/tokens.h"
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#include <imgui.h>
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#include <cstdio>
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void kpi_card(const char* label, float value, float delta_percent,
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const float* history, int history_count,
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const char* format) {
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using namespace fn_tokens;
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// Card container — surface bg, border, rounded, padding.
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// Mirrors Mantine <Paper withBorder shadow="xs" radius="md" p="md" /> used in
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// @fn_library/kpi_card.tsx, adapted for ImGui dark theme.
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ImGui::PushStyleColor(ImGuiCol_ChildBg, colors::surface);
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ImGui::PushStyleColor(ImGuiCol_Border, colors::border);
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ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, radius::md);
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ImGui::PushStyleVar(ImGuiStyleVar_ChildBorderSize, 1.0f);
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ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(spacing::md, spacing::md));
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// Unique child id per label so multiple cards in the same window don't collide.
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char child_id[96];
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std::snprintf(child_id, sizeof(child_id), "##kpi_%s", label);
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float width = ImGui::GetContentRegionAvail().x;
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if (width < 1.0f) width = 1.0f;
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ImGui::BeginChild(child_id, ImVec2(width, 0),
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ImGuiChildFlags_Borders | ImGuiChildFlags_AutoResizeY);
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// Label — muted (Mantine "dimmed" text)
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ImGui::PushStyleColor(ImGuiCol_Text, colors::text_muted);
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ImGui::TextUnformatted(label);
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ImGui::PopStyleColor();
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// Value — scaled up (Mantine fw={700} fontSize=1.875rem)
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ImGui::SetWindowFontScale(1.8f);
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char value_buf[64];
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std::snprintf(value_buf, sizeof(value_buf), format, value);
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ImGui::TextUnformatted(value_buf);
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ImGui::SetWindowFontScale(1.0f);
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// Delta badge — only render when meaningful
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const bool has_delta = delta_percent != 0.0f;
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const bool has_history = history != nullptr && history_count > 0;
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if (has_delta || has_history) {
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const bool positive = delta_percent >= 0.0f;
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const ImVec4 delta_color = positive ? colors::success : colors::error;
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if (has_delta) {
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char delta_buf[32];
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if (positive) {
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std::snprintf(delta_buf, sizeof(delta_buf), "\xe2\x96\xb2 +%.1f%%", delta_percent);
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} else {
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std::snprintf(delta_buf, sizeof(delta_buf), "\xe2\x96\xbc %.1f%%", delta_percent);
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}
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ImGui::PushStyleColor(ImGuiCol_Text, delta_color);
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ImGui::TextUnformatted(delta_buf);
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ImGui::PopStyleColor();
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}
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if (has_history) {
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sparkline(label, history, history_count, delta_color, 120.0f, 24.0f);
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}
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}
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ImGui::EndChild();
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ImGui::PopStyleVar(3);
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ImGui::PopStyleColor(2);
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}
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