flipperzero-firmware/applications/gui/gui.c

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#include "gui.h"
#include "gui_i.h"
#include <flipper.h>
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#include <flipper_v2.h>
#include <stdio.h>
#include <m-array.h>
#include "gui_event.h"
#include "canvas.h"
#include "canvas_i.h"
#include "widget.h"
#include "widget_i.h"
ARRAY_DEF(WidgetArray, Widget*, M_PTR_OPLIST);
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struct Gui {
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GuiApi api;
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GuiEvent* event;
CanvasApi* canvas_api;
WidgetArray_t widgets_status_bar;
WidgetArray_t widgets;
WidgetArray_t widgets_fs;
WidgetArray_t widgets_dialog;
};
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void gui_add_widget(GuiApi* gui_api, Widget* widget, WidgetLayer layer) {
assert(gui_api);
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assert(widget);
Gui* gui = (Gui*)gui_api;
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// TODO add mutex on widget array
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WidgetArray_t* widget_array = NULL;
switch(layer) {
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case WidgetLayerStatusBar:
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widget_array = &gui->widgets_status_bar;
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break;
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case WidgetLayerMain:
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widget_array = &gui->widgets;
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break;
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case WidgetLayerFullscreen:
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widget_array = &gui->widgets_fs;
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break;
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case WidgetLayerDialog:
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widget_array = &gui->widgets_dialog;
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break;
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default:
break;
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}
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assert(widget_array);
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gui_event_lock(gui->event);
WidgetArray_push_back(*widget_array, widget);
widget_gui_set(widget, gui);
gui_event_unlock(gui->event);
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gui_update(gui);
}
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void gui_update(Gui* gui) {
assert(gui);
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GuiMessage message;
message.type = GuiMessageTypeRedraw;
gui_event_messsage_send(gui->event, &message);
}
Widget* gui_widget_find_enabled(WidgetArray_t array) {
size_t widgets_count = WidgetArray_size(array);
for(size_t i = 0; i < widgets_count; i++) {
Widget* widget = *WidgetArray_get(array, widgets_count - i - 1);
if(widget_is_enabled(widget)) {
return widget;
}
}
return NULL;
}
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bool gui_redraw_fs(Gui* gui) {
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canvas_frame_set(gui->canvas_api, 0, 0, 128, 64);
Widget* widget = gui_widget_find_enabled(gui->widgets_fs);
if(widget) {
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widget_draw(widget, gui->canvas_api);
return true;
} else {
return false;
}
}
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void gui_redraw_status_bar(Gui* gui) {
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canvas_frame_set(gui->canvas_api, 0, 0, 128, 64);
Widget* widget = gui_widget_find_enabled(gui->widgets_status_bar);
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if(widget) widget_draw(widget, gui->canvas_api);
}
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void gui_redraw_normal(Gui* gui) {
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canvas_frame_set(gui->canvas_api, 0, 9, 128, 55);
Widget* widget = gui_widget_find_enabled(gui->widgets);
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if(widget) widget_draw(widget, gui->canvas_api);
}
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void gui_redraw_dialogs(Gui* gui) {
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canvas_frame_set(gui->canvas_api, 10, 20, 118, 44);
Widget* widget = gui_widget_find_enabled(gui->widgets_dialog);
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if(widget) widget_draw(widget, gui->canvas_api);
}
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void gui_redraw(Gui* gui) {
assert(gui);
if(!gui_redraw_fs(gui)) {
gui_redraw_status_bar(gui);
gui_redraw_normal(gui);
}
gui_redraw_dialogs(gui);
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canvas_commit(gui->canvas_api);
}
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void gui_input(Gui* gui, InputEvent* input_event) {
assert(gui);
Widget* widget = gui_widget_find_enabled(gui->widgets_dialog);
if(!widget) widget = gui_widget_find_enabled(gui->widgets_fs);
if(!widget) widget = gui_widget_find_enabled(gui->widgets);
if(widget) {
widget_input(widget, input_event);
}
}
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Gui* gui_alloc() {
Gui* gui = furi_alloc(sizeof(Gui));
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// Initialize widget arrays
WidgetArray_init(gui->widgets_status_bar);
WidgetArray_init(gui->widgets);
WidgetArray_init(gui->widgets_fs);
WidgetArray_init(gui->widgets_dialog);
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// Event dispatcher
gui->event = gui_event_alloc();
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// Drawing canvas api
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gui->canvas_api = canvas_api_init();
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gui->api.add_widget = gui_add_widget;
return gui;
}
void gui_task(void* p) {
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Gui* gui = gui_alloc();
// Create FURI record
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if(!furi_create("gui", gui)) {
printf("[gui_task] cannot create the gui record\n");
furiac_exit(NULL);
}
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furiac_ready();
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// Forever dispatch
while(1) {
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GuiMessage message = gui_event_message_next(gui->event);
if(message.type == GuiMessageTypeRedraw) {
gui_redraw(gui);
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} else if(message.type == GuiMessageTypeInput) {
gui_input(gui, &message.input);
}
}
}