Line data Source code
1 : /* File: gui_sketch_background.c; Copyright and License: see below */
2 :
3 : #include "sketch/gui_sketch_background.h"
4 : #include "meta/meta_info.h"
5 : #include "u8/u8_trace.h"
6 : #include <stdint.h>
7 : #include "gui_gtk.h"
8 : #include <assert.h>
9 :
10 : #if 0
11 : void gui_sketch_background_private_write_as_ints( gui_sketch_background_t *this_ )
12 : {
13 : fprintf(stdout,"%s","\n ");
14 : GdkPixbuf *bg_img = gui_resources_get_sketch_background( (*this_).resources );
15 : int icon_width = gdk_pixbuf_get_width( bg_img );
16 : int icon_height = gdk_pixbuf_get_height( bg_img );
17 : for ( int y = 0; y < icon_height; y++ )
18 : {
19 : for ( int x = 0; x < icon_width; x++ )
20 : {
21 : guchar* data = gdk_pixbuf_get_pixels( bg_img );
22 : guchar r = data[(4*(x+(y*icon_width)))+0];
23 : guchar g = data[(4*(x+(y*icon_width)))+1];
24 : guchar b = data[(4*(x+(y*icon_width)))+2];
25 : guchar a = data[(4*(x+(y*icon_width)))+3];
26 : fprintf(stdout,"%3d,%3d,%3d,%3d, ", r, g, b, a);
27 : if ( (x & 7) == 7 )
28 : {
29 : fprintf(stdout,"%s","\n ");
30 : }
31 : }
32 : }
33 : }
34 : #endif
35 :
36 0 : void gui_sketch_background_init( gui_sketch_background_t *this_,
37 : gui_resources_t *resources,
38 : gui_sketch_texture_t *texture_downloader )
39 : {
40 0 : U8_TRACE_BEGIN();
41 0 : assert( resources != NULL );
42 0 : assert( texture_downloader != NULL );
43 :
44 0 : shape_int_rectangle_init( &((*this_).bounds), 0, 0, 0, 0 );
45 0 : (*this_).resources = resources;
46 0 : (*this_).texture_downloader = texture_downloader;
47 : /*gui_sketch_background_private_write_as_ints( this_ );*/
48 :
49 0 : U8_TRACE_END();
50 0 : }
51 :
52 0 : void gui_sketch_background_destroy( gui_sketch_background_t *this_ )
53 : {
54 0 : U8_TRACE_BEGIN();
55 :
56 0 : shape_int_rectangle_destroy( &((*this_).bounds) );
57 0 : (*this_).resources = NULL;
58 0 : (*this_).texture_downloader = NULL;
59 :
60 0 : U8_TRACE_END();
61 0 : }
62 :
63 : static const double BLACK_R = 0.0;
64 : static const double BLACK_G = 0.0;
65 : static const double BLACK_B = 0.0;
66 : static const double BLACK_A = 1.0;
67 : static const double DARK_R = 0.3;
68 : static const double DARK_G = 0.3;
69 : static const double DARK_B = 0.3;
70 : static const double DARK_A = 1.0;
71 : static const double D_GREY_R = 0.4;
72 : static const double D_GREY_G = 0.4;
73 : static const double D_GREY_B = 0.4;
74 : static const double D_GREY_A = 1.0;
75 : static const double GREY_R = 0.7;
76 : static const double GREY_G = 0.7;
77 : static const double GREY_B = 0.7;
78 : static const double GREY_A = 1.0;
79 : static const double ORANGE_R = 1.0;
80 : static const double ORANGE_G = 0.8;
81 : static const double ORANGE_B = 0.5;
82 : static const double ORANGE_A = 1.0;
83 : static const double LIGHT_R = 0.8;
84 : static const double LIGHT_G = 0.8;
85 : static const double LIGHT_B = 0.8;
86 : static const double LIGHT_A = 1.0;
87 : static const double BORDER = 8; /* border between text/icons and ground rectangle */
88 :
89 0 : void gui_sketch_background_draw_introduction( gui_sketch_background_t *this_,
90 : cairo_t *cr )
91 : {
92 0 : U8_TRACE_BEGIN();
93 0 : assert( NULL != cr );
94 :
95 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
96 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
97 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
98 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
99 :
100 : int32_t text_area_start;
101 :
102 : /* if there is enough space, draw a nice picture bar on the left side */
103 0 : if ( width > 192 )
104 : {
105 0 : GdkPixbuf *bg_img = gui_resources_get_sketch_background( (*this_).resources );
106 0 : double icon_width = gdk_pixbuf_get_width ( bg_img );
107 0 : double icon_height = gdk_pixbuf_get_height ( bg_img );
108 0 : gdk_cairo_set_source_pixbuf( cr, bg_img, left, top );
109 0 : cairo_rectangle ( cr, left, top, icon_width, icon_height );
110 0 : cairo_fill (cr);
111 :
112 0 : text_area_start = left+icon_width;
113 :
114 0 : if ( height > icon_height )
115 : {
116 0 : cairo_set_source_rgba( cr, 0.0, 0.4, 0.3, 1.0 );
117 0 : cairo_rectangle ( cr, left, top+icon_height, icon_width, height-icon_height );
118 0 : cairo_fill (cr);
119 0 : cairo_move_to( cr, left, top+icon_height );
120 0 : cairo_line_to( cr, left+icon_width, top+icon_height );
121 0 : cairo_line_to( cr, left, top+icon_height-(0.3*icon_width) );
122 0 : cairo_fill (cr);
123 : }
124 : }
125 : else
126 : {
127 0 : text_area_start = left;
128 : }
129 :
130 0 : cairo_set_source_rgba( cr, GREY_R, GREY_G, GREY_B, GREY_A );
131 0 : cairo_rectangle ( cr, text_area_start, top, width-text_area_start, height );
132 0 : cairo_fill (cr);
133 :
134 0 : const int TAB_ROW0_Y = 48;
135 0 : const int TAB_ROW1_Y = 96;
136 0 : const int TAB_ROW2_Y = 192;
137 0 : gui_sketch_background_private_draw_icon_and_message( this_,
138 0 : gui_resources_get_crystal_facet_uml( (*this_).resources ),
139 : "Welcome to",
140 : META_INFO_PROGRAM_NAME_STR,
141 0 : text_area_start+BORDER,
142 0 : top+BORDER+TAB_ROW0_Y,
143 : cr
144 : );
145 :
146 0 : gui_sketch_background_private_draw_icon_and_message( this_,
147 0 : gui_resources_get_file_new( (*this_).resources ),
148 : "To begin, please",
149 : "create a new database file first.",
150 0 : text_area_start+BORDER,
151 0 : top+BORDER+TAB_ROW1_Y,
152 : cr
153 : );
154 :
155 0 : gui_sketch_background_private_draw_icon_and_message( this_,
156 0 : gui_resources_get_message_user_doc( (*this_).resources ),
157 : "The user manual crystal-facet-uml_documentation.pdf is available",
158 : #ifdef __linux__
159 : "in the net and locally at /usr/share/doc/(packages/)crystal-facet-uml",
160 : #else
161 : "in the net",
162 : #endif
163 0 : text_area_start+BORDER,
164 0 : top+BORDER+TAB_ROW2_Y,
165 : cr
166 : );
167 :
168 0 : U8_TRACE_END();
169 0 : }
170 :
171 0 : void gui_sketch_background_draw_navigation( gui_sketch_background_t *this_,
172 : unsigned int tree_depth,
173 : unsigned int num_children,
174 : cairo_t *cr )
175 : {
176 0 : U8_TRACE_BEGIN();
177 0 : assert( NULL != cr );
178 :
179 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
180 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
181 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
182 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
183 :
184 0 : if ( 0 == tree_depth )
185 : {
186 0 : cairo_set_source_rgba( cr, LIGHT_R, LIGHT_G, LIGHT_B, LIGHT_A );
187 : }
188 : else
189 : {
190 0 : cairo_set_source_rgba( cr, D_GREY_R, D_GREY_G, D_GREY_B, D_GREY_A );
191 : }
192 0 : cairo_rectangle ( cr, left, top, width, height );
193 0 : cairo_fill (cr);
194 :
195 0 : if ( ( 0 == tree_depth )&&( 0 == num_children ))
196 : {
197 : /* this is a new, empty database */
198 :
199 0 : gui_sketch_background_private_draw_quick_introduction( this_, cr );
200 : }
201 :
202 0 : U8_TRACE_END();
203 0 : }
204 :
205 0 : void gui_sketch_background_draw_search( gui_sketch_background_t *this_, cairo_t *cr )
206 : {
207 0 : U8_TRACE_BEGIN();
208 0 : assert( NULL != cr );
209 :
210 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
211 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
212 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
213 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
214 :
215 0 : cairo_set_source_rgba( cr, DARK_R, DARK_G, DARK_B, DARK_A );
216 0 : cairo_rectangle ( cr, left, top, width, height );
217 0 : cairo_fill (cr);
218 :
219 0 : U8_TRACE_END();
220 0 : }
221 :
222 0 : void gui_sketch_background_draw_edit( gui_sketch_background_t *this_, cairo_t *cr )
223 : {
224 0 : U8_TRACE_BEGIN();
225 0 : assert( NULL != cr );
226 :
227 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
228 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
229 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
230 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
231 :
232 0 : cairo_set_source_rgba( cr, DARK_R, DARK_G, DARK_B, DARK_A );
233 0 : cairo_rectangle ( cr, left, top, width, height );
234 0 : cairo_fill (cr);
235 :
236 0 : U8_TRACE_END();
237 0 : }
238 :
239 0 : void gui_sketch_background_draw_create( gui_sketch_background_t *this_, cairo_t *cr )
240 : {
241 0 : U8_TRACE_BEGIN();
242 0 : assert( NULL != cr );
243 :
244 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
245 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
246 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
247 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
248 :
249 0 : cairo_set_source_rgba( cr, ORANGE_R, ORANGE_G, ORANGE_B, ORANGE_A );
250 0 : cairo_rectangle ( cr, left, top, width, height );
251 0 : cairo_fill (cr);
252 :
253 0 : U8_TRACE_END();
254 0 : }
255 :
256 0 : void gui_sketch_background_private_draw_quick_introduction( gui_sketch_background_t *this_, cairo_t *cr )
257 : {
258 0 : U8_TRACE_BEGIN();
259 0 : assert( NULL != cr );
260 :
261 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
262 : //const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
263 : //const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
264 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
265 :
266 0 : const int32_t TAB_HEIGHT = 144 + BORDER;
267 0 : const int32_t TAB_WIDTH = 640 + BORDER;
268 0 : const int32_t TAB_X = left + 16;
269 0 : const int32_t TAB_Y = height - TAB_HEIGHT - 16;
270 0 : const int32_t TAB_COL0_X = TAB_X + BORDER + 14;
271 0 : const int32_t TAB_COL1_X = TAB_X + BORDER + 112;
272 0 : const int32_t TAB_COL2_X = TAB_X + BORDER + 340;
273 0 : const int32_t TAB_ROW0_Y = TAB_Y + BORDER + 0;
274 0 : const int32_t TAB_ROW1_Y = TAB_Y + BORDER + 48;
275 0 : const int32_t TAB_ROW2_Y = TAB_Y + BORDER + 96;
276 :
277 0 : cairo_set_source_rgba( cr, GREY_R, GREY_G, GREY_B, GREY_A );
278 0 : cairo_rectangle ( cr, TAB_X, TAB_Y, TAB_WIDTH, TAB_HEIGHT );
279 0 : cairo_fill (cr);
280 :
281 0 : gui_sketch_background_private_draw_icon_and_message( this_,
282 0 : gui_resources_get_message_user_doc( (*this_).resources ),
283 : "Quick",
284 : "Intro:",
285 : TAB_COL0_X,
286 : TAB_ROW0_Y,
287 : cr
288 : );
289 0 : gui_sketch_background_private_draw_icon_and_message( this_,
290 0 : gui_resources_get_view_navigate( (*this_).resources ),
291 : "Click on a diagram to navigate,",
292 : "on '+' to create a new diagram.",
293 : TAB_COL1_X,
294 : TAB_ROW0_Y,
295 : cr
296 : );
297 0 : gui_sketch_background_private_draw_icon_and_message( this_,
298 0 : gui_resources_get_view_edit( (*this_).resources ),
299 : "Click on an element to edit",
300 : "name, type and description.",
301 : TAB_COL1_X,
302 : TAB_ROW1_Y,
303 : cr
304 : );
305 0 : gui_sketch_background_private_draw_icon_and_message( this_,
306 0 : gui_resources_get_view_edit( (*this_).resources ),
307 : "Drag an element to change",
308 : "its position.",
309 : TAB_COL2_X,
310 : TAB_ROW1_Y,
311 : cr
312 : );
313 0 : gui_sketch_background_private_draw_icon_and_message( this_,
314 0 : gui_resources_get_view_create( (*this_).resources ),
315 : "Click to create items.",
316 : "Drag to create arrows.",
317 : TAB_COL1_X,
318 : TAB_ROW2_Y,
319 : cr
320 : );
321 0 : gui_sketch_background_private_draw_icon_and_message( this_,
322 0 : gui_resources_get_file_export( (*this_).resources ),
323 : "Select the output folder",
324 : "to export all diagrams.",
325 : TAB_COL2_X,
326 : TAB_ROW2_Y,
327 : cr
328 : );
329 :
330 0 : U8_TRACE_END();
331 0 : }
332 :
333 0 : void gui_sketch_background_private_draw_icon_and_message( gui_sketch_background_t *this_,
334 : GdkTexture *icon_1,
335 : const char *text_1,
336 : const char *text_2,
337 : int x,
338 : int y,
339 : cairo_t *cr )
340 : {
341 0 : U8_TRACE_BEGIN();
342 0 : assert( NULL != cr );
343 0 : assert( NULL != icon_1 );
344 0 : assert( NULL != text_1 );
345 0 : assert( NULL != text_2 );
346 :
347 0 : const double icon_width = gdk_texture_get_width ( icon_1 );
348 0 : gui_sketch_texture_draw( (*this_).texture_downloader, icon_1, x, y, cr );
349 :
350 0 : cairo_set_source_rgba( cr, BLACK_R, BLACK_G, BLACK_B, BLACK_A );
351 0 : cairo_set_font_size ( cr, 12.0 );
352 0 : cairo_move_to ( cr, x+icon_width+BORDER, y + 14 );
353 0 : cairo_show_text ( cr, text_1 );
354 0 : cairo_move_to ( cr, x+icon_width+BORDER, y + 2*14 );
355 0 : cairo_show_text ( cr, text_2 );
356 :
357 0 : U8_TRACE_END();
358 0 : }
359 :
360 :
361 : /*
362 : Copyright 2017-2025 Andreas Warnke
363 :
364 : Licensed under the Apache License, Version 2.0 (the "License");
365 : you may not use this file except in compliance with the License.
366 : You may obtain a copy of the License at
367 :
368 : http://www.apache.org/licenses/LICENSE-2.0
369 :
370 : Unless required by applicable law or agreed to in writing, software
371 : distributed under the License is distributed on an "AS IS" BASIS,
372 : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
373 : See the License for the specific language governing permissions and
374 : limitations under the License.
375 : */
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