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 <gtk/gtk.h>
8 : #include <assert.h>
9 :
10 0 : void gui_sketch_background_init( gui_sketch_background_t *this_,
11 : gui_resources_t *resources,
12 : gui_sketch_texture_t *texture_downloader )
13 : {
14 0 : U8_TRACE_BEGIN();
15 0 : assert( resources != NULL );
16 0 : assert( texture_downloader != NULL );
17 :
18 0 : shape_int_rectangle_init( &((*this_).bounds), 0, 0, 0, 0 );
19 0 : (*this_).resources = resources;
20 0 : (*this_).texture_downloader = texture_downloader;
21 :
22 0 : U8_TRACE_END();
23 0 : }
24 :
25 0 : void gui_sketch_background_destroy( gui_sketch_background_t *this_ )
26 : {
27 0 : U8_TRACE_BEGIN();
28 :
29 0 : shape_int_rectangle_destroy( &((*this_).bounds) );
30 0 : (*this_).resources = NULL;
31 0 : (*this_).texture_downloader = NULL;
32 :
33 0 : U8_TRACE_END();
34 0 : }
35 :
36 : static const double BLACK_R = 0.0;
37 : static const double BLACK_G = 0.0;
38 : static const double BLACK_B = 0.0;
39 : static const double BLACK_A = 1.0;
40 : static const double DARK_R = 0.3;
41 : static const double DARK_G = 0.3;
42 : static const double DARK_B = 0.3;
43 : static const double DARK_A = 1.0;
44 : static const double D_GREY_R = 0.4;
45 : static const double D_GREY_G = 0.4;
46 : static const double D_GREY_B = 0.4;
47 : static const double D_GREY_A = 1.0;
48 : static const double GREY_R = 0.7;
49 : static const double GREY_G = 0.7;
50 : static const double GREY_B = 0.7;
51 : static const double GREY_A = 1.0;
52 : static const double ORANGE_R = 1.0;
53 : static const double ORANGE_G = 0.8;
54 : static const double ORANGE_B = 0.5;
55 : static const double ORANGE_A = 1.0;
56 : static const double LIGHT_R = 0.8;
57 : static const double LIGHT_G = 0.8;
58 : static const double LIGHT_B = 0.8;
59 : static const double LIGHT_A = 1.0;
60 : static const double BORDER = 8; /* border between text/icons and ground rectangle */
61 :
62 0 : void gui_sketch_background_draw_introduction( gui_sketch_background_t *this_,
63 : cairo_t *cr )
64 : {
65 0 : U8_TRACE_BEGIN();
66 0 : assert( NULL != cr );
67 :
68 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
69 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
70 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
71 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
72 :
73 : int32_t text_area_start;
74 :
75 : /* if there is enough space, draw a nice picture bar on the left side */
76 0 : if ( width > 192 )
77 : {
78 0 : GdkPixbuf *bg_img = gui_resources_get_background_column( (*this_).resources );
79 0 : double icon_width = gdk_pixbuf_get_width ( bg_img );
80 0 : double icon_height = gdk_pixbuf_get_height ( bg_img );
81 0 : gdk_cairo_set_source_pixbuf( cr, bg_img, left, top );
82 0 : cairo_rectangle ( cr, left, top, icon_width, icon_height );
83 0 : cairo_fill (cr);
84 :
85 0 : text_area_start = left+icon_width;
86 :
87 0 : if ( height > icon_height )
88 : {
89 0 : cairo_set_source_rgba( cr, 0.0, 0.4, 0.3, 1.0 );
90 0 : cairo_rectangle ( cr, left, top+icon_height, icon_width, height-icon_height );
91 0 : cairo_fill (cr);
92 0 : cairo_move_to( cr, left, top+icon_height );
93 0 : cairo_line_to( cr, left+icon_width, top+icon_height );
94 0 : cairo_line_to( cr, left, top+icon_height-(0.3*icon_width) );
95 0 : cairo_fill (cr);
96 : }
97 : }
98 : else
99 : {
100 0 : text_area_start = left;
101 : }
102 :
103 0 : cairo_set_source_rgba( cr, GREY_R, GREY_G, GREY_B, GREY_A );
104 0 : cairo_rectangle ( cr, text_area_start, top, width-text_area_start, height );
105 0 : cairo_fill (cr);
106 :
107 0 : const int TAB_ROW0_Y = 48;
108 0 : const int TAB_ROW1_Y = 96;
109 0 : const int TAB_ROW2_Y = 192;
110 0 : gui_sketch_background_private_draw_icon_and_message( this_,
111 : gui_resources_get_crystal_facet_uml( (*this_).resources ),
112 : "Welcome to",
113 : META_INFO_PROGRAM_NAME_STR,
114 0 : text_area_start+BORDER,
115 0 : top+BORDER+TAB_ROW0_Y,
116 : cr
117 : );
118 :
119 0 : gui_sketch_background_private_draw_icon_and_message( this_,
120 : gui_resources_get_file_new_db( (*this_).resources ),
121 : "To begin, please",
122 : "create a new database file first.",
123 0 : text_area_start+BORDER,
124 0 : top+BORDER+TAB_ROW1_Y,
125 : cr
126 : );
127 :
128 0 : gui_sketch_background_private_draw_icon_and_message( this_,
129 : gui_resources_get_message_user_doc( (*this_).resources ),
130 : "The user manual crystal-facet-uml_documentation.pdf is available",
131 : #ifdef __linux__
132 : "in the net and locally at /usr/share/doc/(packages/)crystal-facet-uml",
133 : #else
134 : "in the net",
135 : #endif
136 0 : text_area_start+BORDER,
137 0 : top+BORDER+TAB_ROW2_Y,
138 : cr
139 : );
140 :
141 0 : U8_TRACE_END();
142 0 : }
143 :
144 0 : void gui_sketch_background_draw_navigation( gui_sketch_background_t *this_,
145 : unsigned int tree_depth,
146 : unsigned int num_children,
147 : cairo_t *cr )
148 : {
149 0 : U8_TRACE_BEGIN();
150 0 : assert( NULL != cr );
151 :
152 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
153 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
154 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
155 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
156 :
157 0 : if ( 0 == tree_depth )
158 : {
159 0 : cairo_set_source_rgba( cr, LIGHT_R, LIGHT_G, LIGHT_B, LIGHT_A );
160 : }
161 : else
162 : {
163 0 : cairo_set_source_rgba( cr, D_GREY_R, D_GREY_G, D_GREY_B, D_GREY_A );
164 : }
165 0 : cairo_rectangle ( cr, left, top, width, height );
166 0 : cairo_fill (cr);
167 :
168 0 : if ( ( 0 == tree_depth )&&( 0 == num_children ))
169 : {
170 : /* this is a new, empty database */
171 :
172 0 : gui_sketch_background_private_draw_quick_introduction( this_, cr );
173 : }
174 :
175 0 : U8_TRACE_END();
176 0 : }
177 :
178 0 : void gui_sketch_background_draw_search( gui_sketch_background_t *this_, cairo_t *cr )
179 : {
180 0 : U8_TRACE_BEGIN();
181 0 : assert( NULL != cr );
182 :
183 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
184 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
185 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
186 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
187 :
188 0 : cairo_set_source_rgba( cr, DARK_R, DARK_G, DARK_B, DARK_A );
189 0 : cairo_rectangle ( cr, left, top, width, height );
190 0 : cairo_fill (cr);
191 :
192 0 : U8_TRACE_END();
193 0 : }
194 :
195 0 : void gui_sketch_background_draw_edit( gui_sketch_background_t *this_, cairo_t *cr )
196 : {
197 0 : U8_TRACE_BEGIN();
198 0 : assert( NULL != cr );
199 :
200 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
201 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
202 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
203 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
204 :
205 0 : cairo_set_source_rgba( cr, DARK_R, DARK_G, DARK_B, DARK_A );
206 0 : cairo_rectangle ( cr, left, top, width, height );
207 0 : cairo_fill (cr);
208 :
209 0 : U8_TRACE_END();
210 0 : }
211 :
212 0 : void gui_sketch_background_draw_create( gui_sketch_background_t *this_, cairo_t *cr )
213 : {
214 0 : U8_TRACE_BEGIN();
215 0 : assert( NULL != cr );
216 :
217 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
218 0 : const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
219 0 : const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
220 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
221 :
222 0 : cairo_set_source_rgba( cr, ORANGE_R, ORANGE_G, ORANGE_B, ORANGE_A );
223 0 : cairo_rectangle ( cr, left, top, width, height );
224 0 : cairo_fill (cr);
225 :
226 0 : U8_TRACE_END();
227 0 : }
228 :
229 0 : void gui_sketch_background_private_draw_quick_introduction( gui_sketch_background_t *this_, cairo_t *cr )
230 : {
231 0 : U8_TRACE_BEGIN();
232 0 : assert( NULL != cr );
233 :
234 0 : const int32_t left = shape_int_rectangle_get_left( &((*this_).bounds) );
235 : //const int32_t top = shape_int_rectangle_get_top( &((*this_).bounds) );
236 : //const uint32_t width = shape_int_rectangle_get_width( &((*this_).bounds) );
237 0 : const uint32_t height = shape_int_rectangle_get_height( &((*this_).bounds) );
238 :
239 0 : const int32_t TAB_HEIGHT = 144 + BORDER;
240 0 : const int32_t TAB_WIDTH = 640 + BORDER;
241 0 : const int32_t TAB_X = left + 16;
242 0 : const int32_t TAB_Y = height - TAB_HEIGHT - 16;
243 0 : const int32_t TAB_COL0_X = TAB_X + BORDER + 14;
244 0 : const int32_t TAB_COL1_X = TAB_X + BORDER + 112;
245 0 : const int32_t TAB_COL2_X = TAB_X + BORDER + 340;
246 0 : const int32_t TAB_ROW0_Y = TAB_Y + BORDER + 0;
247 0 : const int32_t TAB_ROW1_Y = TAB_Y + BORDER + 48;
248 0 : const int32_t TAB_ROW2_Y = TAB_Y + BORDER + 96;
249 :
250 0 : cairo_set_source_rgba( cr, GREY_R, GREY_G, GREY_B, GREY_A );
251 0 : cairo_rectangle ( cr, TAB_X, TAB_Y, TAB_WIDTH, TAB_HEIGHT );
252 0 : cairo_fill (cr);
253 :
254 0 : gui_sketch_background_private_draw_icon_and_message( this_,
255 : gui_resources_get_message_user_doc( (*this_).resources ),
256 : "Quick",
257 : "Intro:",
258 : TAB_COL0_X,
259 : TAB_ROW0_Y,
260 : cr
261 : );
262 0 : gui_sketch_background_private_draw_icon_and_message( this_,
263 : gui_resources_get_view_navigate( (*this_).resources ),
264 : "Click on a diagram to navigate,",
265 : "on '+' to create a new diagram.",
266 : TAB_COL1_X,
267 : TAB_ROW0_Y,
268 : cr
269 : );
270 0 : gui_sketch_background_private_draw_icon_and_message( this_,
271 : gui_resources_get_view_edit( (*this_).resources ),
272 : "Click on an element to edit",
273 : "name, type and description.",
274 : TAB_COL1_X,
275 : TAB_ROW1_Y,
276 : cr
277 : );
278 0 : gui_sketch_background_private_draw_icon_and_message( this_,
279 : gui_resources_get_view_edit( (*this_).resources ),
280 : "Drag an element to change",
281 : "its position.",
282 : TAB_COL2_X,
283 : TAB_ROW1_Y,
284 : cr
285 : );
286 0 : gui_sketch_background_private_draw_icon_and_message( this_,
287 : gui_resources_get_view_create( (*this_).resources ),
288 : "Click to create items.",
289 : "Drag to create arrows.",
290 : TAB_COL1_X,
291 : TAB_ROW2_Y,
292 : cr
293 : );
294 0 : gui_sketch_background_private_draw_icon_and_message( this_,
295 : gui_resources_get_file_export( (*this_).resources ),
296 : "Select the output folder",
297 : "to export all diagrams.",
298 : TAB_COL2_X,
299 : TAB_ROW2_Y,
300 : cr
301 : );
302 :
303 0 : U8_TRACE_END();
304 0 : }
305 :
306 0 : void gui_sketch_background_private_draw_icon_and_message( gui_sketch_background_t *this_,
307 : GdkTexture *icon_1,
308 : const char *text_1,
309 : const char *text_2,
310 : int x,
311 : int y,
312 : cairo_t *cr )
313 : {
314 0 : U8_TRACE_BEGIN();
315 0 : assert( NULL != cr );
316 0 : assert( NULL != icon_1 );
317 0 : assert( NULL != text_1 );
318 0 : assert( NULL != text_2 );
319 :
320 0 : const double icon_width = gdk_texture_get_width ( icon_1 );
321 0 : gui_sketch_texture_draw( (*this_).texture_downloader, icon_1, x, y, cr );
322 :
323 0 : cairo_set_source_rgba( cr, BLACK_R, BLACK_G, BLACK_B, BLACK_A );
324 0 : cairo_set_font_size ( cr, 12.0 );
325 0 : cairo_move_to ( cr, x+icon_width+BORDER, y + 14 );
326 0 : cairo_show_text ( cr, text_1 );
327 0 : cairo_move_to ( cr, x+icon_width+BORDER, y + 2*14 );
328 0 : cairo_show_text ( cr, text_2 );
329 :
330 0 : U8_TRACE_END();
331 0 : }
332 :
333 :
334 : /*
335 : Copyright 2017-2024 Andreas Warnke
336 :
337 : Licensed under the Apache License, Version 2.0 (the "License");
338 : you may not use this file except in compliance with the License.
339 : You may obtain a copy of the License at
340 :
341 : http://www.apache.org/licenses/LICENSE-2.0
342 :
343 : Unless required by applicable law or agreed to in writing, software
344 : distributed under the License is distributed on an "AS IS" BASIS,
345 : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
346 : See the License for the specific language governing permissions and
347 : limitations under the License.
348 : */
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