bzr branch
http://gegoxaren.bato24.eu/bzr/%2Bjunk/c_sdl_joypad
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by Gustav Hartvigsson
Initial code. |
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#include "GameButton.h" |
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#include "game_utils.h" |
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GameButton * game_button_new (int x, int y, int h, int w) { |
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GameButton * self = malloc (sizeof(GameButton)); |
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fprintf (stdout, "Creating GameButton: address: %ld\n", (long) self); |
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SDL_Rect * base = (SDL_Rect *) self; |
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base->x = x; |
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base->y = y; |
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base->h = h; |
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base->w = w; |
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self->clicked = NULL; |
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self->is_clicked = false; |
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self->fill = false; |
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self->hover = NULL; |
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self->is_hover = false; |
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self->is_stop_hover = false; |
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self->colour = game_color_create_color (0,0,255,255); |
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return self; |
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}
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bool game_button_envelopes_SDL_Point (GameButton *self, SDL_Point * point) { |
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if (SDL_EnclosePoints (point, 1, (SDL_Rect *)self, NULL)) { |
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return true; |
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} else { |
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return false; |
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} |
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}
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bool game_button_check_clicked (GameButton * self, MousePointer * pointer) { |
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SDL_bool contains = SDL_EnclosePoints ((SDL_Point *)pointer, 1, (SDL_Rect *)self, NULL); |
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if (contains) { |
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if (pointer->pressed) { |
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game_button_do_callback (self, "clicked"); |
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return true; |
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} |
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} |
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self->is_clicked = false; |
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return false; |
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}
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bool game_button_check_hover (GameButton * self, MousePointer * pointer) { |
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SDL_bool contains = SDL_EnclosePoints ((SDL_Point *)pointer, 1, (SDL_Rect *)self, NULL); |
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if (contains) { |
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if (!self->is_clicked ) { |
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game_button_do_callback (self, "hover"); |
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} |
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self->is_hover = true; |
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self->is_stop_hover = false; |
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return true; |
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} else if (self->is_hover) { |
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game_button_do_callback (self, "stop_hover"); |
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self->is_stop_hover = true; |
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} |
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self->is_hover = false; |
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return false; |
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}
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void game_button_set_callback (GameButton * self, |
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const char * name, |
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BtnCallback callback, |
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void * data) { |
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if (!strcmp(name, "clicked")) { |
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self->clicked = callback; |
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self->clicked_data = data; |
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} else if (!strcmp(name, "hover")) { |
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self->hover = callback; |
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self->hover_data = data; |
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} else if (!strcmp(name, "stop_hover") && self->hover) { |
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self->stop_hover = callback; |
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self->stop_hover_data = data; |
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} else { |
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fprintf (stderr, |
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"GameButton: Can not set callback \"%s\", it does not exist!\n", |
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name); |
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return; |
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} |
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return; |
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}
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void game_button_do_callback (GameButton * self, |
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const char * name) { |
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BtnCallback callback; |
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if (!strcmp(name, "clicked") && self->clicked) { |
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if (self->is_clicked) { |
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return; |
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} |
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callback = self->clicked; |
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callback (self, self->clicked_data); |
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} else if (!strcmp(name, "hover") && self->hover) { |
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if (self->is_hover) { |
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return; |
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} |
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callback = self->hover; |
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callback (self, self->hover_data); |
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} else if (!strcmp(name, "stop_hover") && self->stop_hover) { |
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if (self->is_stop_hover) { |
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return; |
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} |
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callback = self->stop_hover; |
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callback (self, self->stop_hover_data); |
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} else { |
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fprintf (stderr, |
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"GameButton: Can not do callback \"%s\", it does not exist, or is undefined!\n", |
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name); |
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return; |
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} |
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self->is_clicked = true; |
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return; |
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}
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void game_button_draw (GameButton * self, SDL_Renderer * renderer) { |
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SDL_Color oc = game_color_set_draw_color (renderer, self->colour); |
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if (self->fill) { |
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SDL_RenderFillRect (renderer , (SDL_Rect *) self); |
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} else { |
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SDL_RenderDrawRect (renderer , (SDL_Rect *) self); |
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} |
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game_color_set_draw_color (renderer, oc); /* reset the colour */ |
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}
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void game_button_set_fill (GameButton * self, bool fill) { |
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self->fill = fill; |
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}
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void game_button_free (GameButton * self) { |
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fprintf (stdout, "Freeing GameButton: address: %ld\n", (long) self); |
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free (self); |
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}
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