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https://github.com/UberGuidoZ/Flipper.git
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UberGuidoZ
91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
// #####################################################
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// # scene_about.c - about screen #
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// # By: UberGuidoZ | https://github.com/UberGuidoZ/ #
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// # v2.01 #
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// #####################################################
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#include "gpio_analyzer.h"
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// ============================================================
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// Draw callback - static content, no model needed
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// ============================================================
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static void ga_about_draw_cb(Canvas* canvas, void* model) {
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UNUSED(model);
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canvas_clear(canvas);
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// ----------------------------------------------------------
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// Title - FontPrimary. Measure actual pixel widths at runtime
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// so centering is exact regardless of font metrics.
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// Box is sized from the wider string + 8px padding each side.
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// ----------------------------------------------------------
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canvas_set_font(canvas, FontPrimary);
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size_t w1 = canvas_string_width(canvas, "GPIO Logic");
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size_t w2 = canvas_string_width(canvas, "Analyzer");
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size_t box_w = (w1 > w2 ? w1 : w2) + 16U;
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int32_t box_x = (int32_t)((128U - box_w) / 2U);
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if(box_x < 1) box_x = 1;
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canvas_draw_frame(canvas, box_x, 8, (uint8_t)box_w, 32);
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canvas_draw_str(canvas, (int32_t)((128U - w1) / 2U), 22, "GPIO Logic");
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canvas_draw_str(canvas, (int32_t)((128U - w2) / 2U), 34, "Analyzer");
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// ----------------------------------------------------------
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// Separator between title box and byline.
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// ----------------------------------------------------------
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canvas_draw_line(canvas, 10, 44, 118, 44);
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// ----------------------------------------------------------
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// Byline - FontKeyboard (~6px/char, ~8px tall).
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// "v2.01 by UberGuidoZ" = 19 chars * 6 = 114px, x=(128-114)/2 = 7
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// "github.com/UberGuidoZ" = 21 chars * 6 = 126px, x=(128-126)/2 = 1
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// ----------------------------------------------------------
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canvas_set_font(canvas, FontKeyboard);
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canvas_draw_str(canvas, 7, 54, "v2.01 by UberGuidoZ");
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canvas_draw_str(canvas, 1, 62, "github.com/UberGuidoZ");
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}
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// ============================================================
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// Input callback - no local inputs; BACK is handled by the
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// ViewDispatcher navigation callback (pops the scene).
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// ============================================================
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static bool ga_about_input_cb(InputEvent* event, void* context) {
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UNUSED(event);
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UNUSED(context);
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return false;
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}
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// ============================================================
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// View setup (called once from ga_alloc)
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// ============================================================
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void scene_about_setup_view(GpioAnalyzer* app) {
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furi_check(app != NULL);
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app->view_about = view_alloc();
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furi_check(app->view_about != NULL);
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view_set_draw_callback(app->view_about, ga_about_draw_cb);
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view_set_input_callback(app->view_about, ga_about_input_cb);
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// No model needed for static content.
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}
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// ============================================================
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// Scene handlers
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// ============================================================
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void scene_about_on_enter(void* context) {
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GpioAnalyzer* app = (GpioAnalyzer*)context;
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furi_check(app != NULL);
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view_dispatcher_switch_to_view(app->view_dispatcher, GaViewAbout);
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}
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bool scene_about_on_event(void* context, SceneManagerEvent event) {
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UNUSED(context);
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UNUSED(event);
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return false;
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}
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void scene_about_on_exit(void* context) {
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UNUSED(context);
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} |